sdl-ios-xcode: touchTest/gestureTest.c annotate

annotate touchTest/gestureTest.c @ 4654:7dbcd71216df

Added $1 gesture recognition. Functional.

author	Jim Grandpre <jim.tla@gmail.com>
date	Thu, 17 Jun 2010 03:41:27 -0400
parents	744b75ad18b8
children	4c94f2023d62

rev	line source
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	1 #include <stdio.h>
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	2 #include <SDL.h>
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	3 #include <math.h>
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	4 #include <SDL_touch.h>
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	5
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	6 #define PI 3.1415926535897
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	7 #define PHI ((sqrt(5)-1)/2)
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	8 #define WIDTH 640
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	9 #define HEIGHT 480
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	10 #define BPP 4
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	11 #define DEPTH 32
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	12
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	13 #define MAXFINGERS 3
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	14
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	15 #define DOLLARNPOINTS 64
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	16 #define DOLLARSIZE 256
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	17
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	18 //MUST BE A POWER OF 2!
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	19 #define EVENT_BUF_SIZE 256
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	20
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	21 SDL_Event events[EVENT_BUF_SIZE];
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	22 int eventWrite;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	23
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	24 int mousx,mousy;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	25 int keystat[512];
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	26 int bstatus;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	27
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	28 int colors[7] = {0xFF,0xFF00,0xFF0000,0xFFFF00,0x00FFFF,0xFF00FF,0xFFFFFF};
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	29
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	30 int index2fingerid[MAXFINGERS];
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	31 int fingersDown;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	32
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	33 typedef struct {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	34 float x,y;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	35 } Point;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	36
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	37 typedef struct {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	38 Point p;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	39 float pressure;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	40 int id;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	41 } Finger;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	42
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	43 typedef struct { //dt + s
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	44 Point d,s; //direction, start
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	45 int points;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	46 } Line;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	47
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	48
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	49 typedef struct {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	50 float length;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	51
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	52 int numPoints;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	53 Point p[EVENT_BUF_SIZE]; //To be safe
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	54 } DollarPath;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	55
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	56
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	57 Finger finger[MAXFINGERS];
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	58
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	59 Finger gestureLast[MAXFINGERS];
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	60 DollarPath dollarPath[MAXFINGERS];
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	61
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	62 #define MAXTEMPLATES 4
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	63
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	64 Point dollarTemplate[MAXTEMPLATES][DOLLARNPOINTS];
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	65 int numDollarTemplates = 0;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	66 #ifdef DRAW_VECTOR_EST
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	67 Line gestureLine[MAXFINGERS];
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	68 #endif
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	69
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	70 void handler (int sig)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	71 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	72 printf ("\exiting...(%d)\n", sig);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	73 exit (0);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	74 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	75
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	76 void perror_exit (char *error)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	77 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	78 perror (error);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	79 handler (9);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	80 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	81
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	82
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	83 void setpix(SDL_Surface *screen, int x, int y, unsigned int col)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	84 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	85 Uint32 *pixmem32;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	86 Uint32 colour;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	87
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	88 if((unsigned)x > screen->w) return;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	89 if((unsigned)y > screen->h) return;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	90
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	91 pixmem32 = (Uint32) screen->pixels + yscreen->pitch/BPP + x;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	92
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	93 Uint8 r,g,b;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	94 float a;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	95
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	96 memcpy(&colour,pixmem32,screen->format->BytesPerPixel);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	97
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	98 SDL_GetRGB(colour,screen->format,&r,&g,&b); //Always returns 0xFFFFFF?
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	99 //r = 0;g = 0; b = 0;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	100 a = (col>>24)&0xFF;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	101 if(a == 0) a = 0xFF; //Hack, to make things easier.
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	102 a /= 0xFF;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	103 r = r(1-a) + ((col>>16)&0xFF)(a);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	104 g = g(1-a) + ((col>> 8)&0xFF)(a);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	105 b = b(1-a) + ((col>> 0)&0xFF)(a);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	106 colour = SDL_MapRGB( screen->format,r, g, b);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	107
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	108
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	109 *pixmem32 = colour;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	110 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	111
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	112 void drawLine(SDL_Surface *screen,int x0,int y0,int x1,int y1,unsigned int col) {
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	113 float t;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	114 for(t=0;t<1;t+=1.f/SDL_max(abs(x0-x1),abs(y0-y1)))
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	115 setpix(screen,x1+t(x0-x1),y1+t(y0-y1),col);
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	116 }
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	117 void drawCircle(SDL_Surface* screen,int x,int y,int r,unsigned int c)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	118 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	119
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	120 float a;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	121 int tx;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	122 /*
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	123 for(a=0;a<PI/2;a+=1.f/(float)abs(r))
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	124 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	125 if(r > 0) { //r > 0 ==> filled circle
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	126 for(tx=x-rcos(a);tx<x+rcos(a);tx++) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	127 setpix(screen,tx,(int)(y+r*sin(a)),c);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	128 setpix(screen,tx,(int)(y-r*sin(a)),c);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	129 }
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	130 } else {
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	131 //Draw Outline
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	132 setpix(screen,(int)(x+rcos(a)),(int)(y+rsin(a)),c);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	133 setpix(screen,(int)(x-rcos(a)),(int)(y+rsin(a)),c);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	134 setpix(screen,(int)(x+rcos(a)),(int)(y-rsin(a)),c);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	135 setpix(screen,(int)(x-rcos(a)),(int)(y-rsin(a)),c);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	136 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	137 }*/
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	138 int ty;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	139 float xr;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	140 for(ty = -abs(r);ty <= abs(r);ty++) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	141 xr = sqrt(rr - tyty);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	142 if(r > 0) { //r > 0 ==> filled circle
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	143 for(tx=-xr+.5;tx<=xr-.5;tx++) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	144 setpix(screen,x+tx,y+ty,c);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	145 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	146 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	147 else {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	148 setpix(screen,x-xr+.5,y+ty,c);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	149 setpix(screen,x+xr-.5,y+ty,c);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	150 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	151 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	152 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	153
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	154 void drawDollarPath(SDL_Surface* screen,Point* points,int numPoints,
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	155 int rad,unsigned int col){
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	156 int i;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	157 for(i=0;i<numPoints;i++) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	158 drawCircle(screen,points[i].x+screen->w/2,
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	159 points[i].y+screen->h/2,
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	160 rad,col);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	161 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	162 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	163
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	164 float dollarDifference(Point* points,Point* templ,float ang) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	165 // Point p[DOLLARNPOINTS];
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	166 float dist = 0;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	167 Point p;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	168 int i;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	169 for(i = 0; i < DOLLARNPOINTS; i++) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	170 p.x = points[i].x * cos(ang) - points[i].y * sin(ang);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	171 p.y = points[i].x * sin(ang) + points[i].y * cos(ang);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	172 dist += sqrt((p.x-templ[i].x)*(p.x-templ[i].x)+
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	173 (p.y-templ[i].y)*(p.y-templ[i].y));
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	174 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	175 return dist/DOLLARNPOINTS;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	176
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	177 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	178
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	179 float bestDollarDifference(Point* points,Point* templ) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	180 //------------BEGIN DOLLAR BLACKBOX----------------//
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	181 //-TRANSLATED DIRECTLY FROM PSUDEO-CODE AVAILABLE AT-//
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	182 //-"http://depts.washington.edu/aimgroup/proj/dollar/"-//
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	183 float ta = -PI/4;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	184 float tb = PI/4;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	185 float dt = PI/90;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	186 float x1 = PHIta + (1-PHI)tb;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	187 float f1 = dollarDifference(points,templ,x1);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	188 float x2 = (1-PHI)ta + PHItb;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	189 float f2 = dollarDifference(points,templ,x2);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	190 while(abs(ta-tb) > dt) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	191 if(f1 < f2) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	192 tb = x2;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	193 x2 = x1;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	194 f2 = f1;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	195 x1 = PHIta + (1-PHI)tb;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	196 f1 = dollarDifference(points,templ,x1);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	197 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	198 else {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	199 ta = x1;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	200 x1 = x2;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	201 f1 = f2;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	202 x2 = (1-PHI)ta + PHItb;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	203 f2 = dollarDifference(points,templ,x2);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	204 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	205 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	206 return SDL_min(f1,f2);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	207
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	208 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	209
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	210 float dollarRecognize(SDL_Surface* screen, DollarPath path,int *bestTempl) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	211
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	212 Point points[DOLLARNPOINTS];
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	213 int numPoints = dollarNormalize(path,points);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	214 int i;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	215
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	216 int k;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	217 for(k = 0;k<DOLLARNPOINTS;k++) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	218 printf("(%f,%f)\n",points[k].x,
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	219 points[k].y);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	220 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	221
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	222 drawDollarPath(screen,points,numPoints,-15,0xFF6600);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	223
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	224 int bestDiff = 10000;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	225 *bestTempl = -1;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	226 for(i = 0;i < numDollarTemplates;i++) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	227 int diff = bestDollarDifference(points,dollarTemplate[i]);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	228 if(diff < bestDiff) {bestDiff = diff; *bestTempl = i;}
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	229 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	230 return bestDiff;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	231 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	232
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	233 //DollarPath contains raw points, plus (possibly) the calculated length
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	234 int dollarNormalize(DollarPath path,Point *points) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	235 int i;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	236 //Calculate length if it hasn't already been done
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	237 if(path.length <= 0) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	238 for(i=1;i<path.numPoints;i++) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	239 float dx = path.p[i ].x -
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	240 path.p[i-1].x;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	241 float dy = path.p[i ].y -
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	242 path.p[i-1].y;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	243 path.length += sqrt(dxdx+dydy);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	244 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	245 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	246
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	247
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	248 //Resample
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	249 float interval = path.length/(DOLLARNPOINTS - 1);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	250 float dist = 0;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	251
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	252 int numPoints = 0;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	253 Point centroid; centroid.x = 0;centroid.y = 0;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	254 //printf("(%f,%f)\n",path.p[path.numPoints-1].x,path.p[path.numPoints-1].y);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	255 for(i = 1;i < path.numPoints;i++) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	256 float d = sqrt((path.p[i-1].x-path.p[i].x)*(path.p[i-1].x-path.p[i].x)+
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	257 (path.p[i-1].y-path.p[i].y)*(path.p[i-1].y-path.p[i].y));
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	258 //printf("d = %f dist = %f/%f\n",d,dist,interval);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	259 while(dist + d > interval) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	260 points[numPoints].x = path.p[i-1].x +
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	261 ((interval-dist)/d)*(path.p[i].x-path.p[i-1].x);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	262 points[numPoints].y = path.p[i-1].y +
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	263 ((interval-dist)/d)*(path.p[i].y-path.p[i-1].y);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	264 centroid.x += points[numPoints].x;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	265 centroid.y += points[numPoints].y;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	266 numPoints++;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	267
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	268 dist -= interval;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	269 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	270 dist += d;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	271 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	272 if(numPoints < 1) return 0;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	273 centroid.x /= numPoints;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	274 centroid.y /= numPoints;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	275
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	276 //printf("Centroid (%f,%f)",centroid.x,centroid.y);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	277 //Rotate Points so point 0 is left of centroid and solve for the bounding box
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	278 float xmin,xmax,ymin,ymax;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	279 xmin = centroid.x;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	280 xmax = centroid.x;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	281 ymin = centroid.y;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	282 ymax = centroid.y;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	283
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	284 float ang = atan2(centroid.y - points[0].y,
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	285 centroid.x - points[0].x);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	286
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	287 for(i = 0;i<numPoints;i++) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	288 float px = points[i].x;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	289 float py = points[i].y;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	290 points[i].x = (px - centroid.x)*cos(ang) -
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	291 (py - centroid.y)*sin(ang) + centroid.x;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	292 points[i].y = (px - centroid.x)*sin(ang) +
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	293 (py - centroid.y)*cos(ang) + centroid.y;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	294
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	295
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	296 if(points[i].x < xmin) xmin = points[i].x;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	297 if(points[i].x > xmax) xmax = points[i].x;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	298 if(points[i].y < ymin) ymin = points[i].y;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	299 if(points[i].y > ymax) ymax = points[i].y;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	300 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	301
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	302 //Scale points to DOLLARSIZE, and translate to the origin
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	303 float w = xmax-xmin;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	304 float h = ymax-ymin;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	305
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	306 for(i=0;i<numPoints;i++) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	307 points[i].x = (points[i].x - centroid.x)*DOLLARSIZE/w;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	308 points[i].y = (points[i].y - centroid.y)*DOLLARSIZE/h;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	309 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	310 return numPoints;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	311 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	312
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	313 void DrawScreen(SDL_Surface* screen, int h)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	314 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	315 int x, y, xm,ym,c;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	316 if(SDL_MUSTLOCK(screen))
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	317 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	318 if(SDL_LockSurface(screen) < 0) return;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	319 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	320 for(y = 0; y < screen->h; y++ )
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	321 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	322 for( x = 0; x < screen->w; x++ )
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	323 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	324 //setpixel(screen, x, y, (xx)/256+3y+h, (y*y)/256+x+h, h);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	325 //xm = (x+h)%screen->w;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	326 //ym = (y+h)%screen->w;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	327 //c = sin(h/2562PI)xy/screen->w/screen->h;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	328 //setpix(screen,x,y,255sin(xm/screen->w2PI),sin(h/2552PI)255*y/screen->h,c);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	329 setpix(screen,x,y,((x%255)<<16) + ((y%255)<<8) + (x+y)%255);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	330 //setpix(screen,x,y,0); //Inefficient, but that's okay...
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	331 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	332 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	333 drawCircle(screen,mousx,mousy,-30,0xFFFFFF);
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	334 drawLine(screen,0,0,screen->w,screen->h,0xFFFFFF);
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	335 int i;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	336 //draw Touch History
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	337 for(i = 0;i < MAXFINGERS;i++) {
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	338 gestureLast[i].id = -1;
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	339 #ifdef DRAW_VECTOR_EST
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	340 gestureLine[i].points = 0;
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	341 #endif
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	342 }
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	343 for(i = SDL_max(0,eventWrite - EVENT_BUF_SIZE);i != eventWrite;i++) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	344 SDL_Event event = events[i&(EVENT_BUF_SIZE-1)];
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	345 int age = eventWrite - i - 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	346 if(event.type == SDL_FINGERMOTION \|\|
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	347 event.type == SDL_FINGERDOWN \|\|
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	348 event.type == SDL_FINGERUP) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	349 SDL_Touch* inTouch = SDL_GetTouch(event.tfinger.touchId);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	350 //SDL_Finger* inFinger = SDL_GetFinger(inTouch,event.tfinger.fingerId);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	351
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	352 float x = ((float)event.tfinger.x)/inTouch->xres;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	353 float y = ((float)event.tfinger.y)/inTouch->yres;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	354 int j,empty = -1;
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	355
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	356 for(j = 0;j<MAXFINGERS;j++) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	357 if(gestureLast[j].id == event.tfinger.fingerId) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	358 if(event.type == SDL_FINGERUP) {
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	359 #ifdef DRAW_VECTOR_EST
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	360 if(gestureLine[j].points > 0)
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	361 drawLine(screen,
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	362 gestureLine[j].s.x*screen->w,
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	363 gestureLine[j].s.y*screen->h,
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	364 (gestureLine[j].s.x +50gestureLine[j].d.x)screen->w,
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	365 (gestureLine[j].s.y +50gestureLine[j].d.y)screen->h,
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	366 0xFF00);
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	367
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	368 gestureLine[j].points = 0;
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	369 #endif
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	370 //ignore last point - probably invalid
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	371 dollarPath[j].numPoints--;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	372
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	373
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	374 float dx = dollarPath[j].p[dollarPath[j].numPoints].x -
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	375 dollarPath[j].p[dollarPath[j].numPoints - 1].x;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	376 float dy = dollarPath[j].p[dollarPath[j].numPoints].y -
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	377 dollarPath[j].p[dollarPath[j].numPoints - 1].y;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	378 dollarPath[j].length -= sqrt(dxdx+dydy);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	379
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	380 if(!keystat[32]){ //spacebar
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	381 int bestTempl;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	382 float error = dollarRecognize(screen,dollarPath[j],&bestTempl);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	383 printf("%i\n",bestTempl);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	384 if(bestTempl >= 0){
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	385 drawDollarPath(screen,dollarTemplate[bestTempl]
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	386 ,DOLLARNPOINTS,-15,0x0066FF);\
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	387
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	388 printf("ERROR: %f\n",error);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	389 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	390
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	391 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	392 else if(numDollarTemplates < MAXTEMPLATES) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	393
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	394 dollarNormalize(dollarPath[j],
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	395 dollarTemplate[numDollarTemplates]);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	396 int k;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	397 /*
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	398 for(k = 0;k<DOLLARNPOINTS;k++) {
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	399 printf("(%f,%f)\n",dollarTemplate[numDollarTemplates][i].x,
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	400 dollarTemplate[numDollarTemplates][i].y);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	401 }*/
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	402 numDollarTemplates++;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	403 }
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	404
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	405 gestureLast[j].id = -1;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	406 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	407 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	408 else {
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	409 #ifdef DRAW_VECTOR_EST
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	410 if(gestureLine[j].points == 1) {
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	411 gestureLine[j].d.x = x - gestureLine[j].s.x;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	412 gestureLine[j].d.y = y - gestureLine[j].s.y;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	413 }
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	414
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	415 gestureLine[j].s.x = gestureLine[j].s.x*gestureLine[j].points+x;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	416 gestureLine[j].s.y = gestureLine[j].s.y*gestureLine[j].points+y;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	417
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	418 gestureLine[j].d.x = gestureLine[j].d.x*gestureLine[j].points+
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	419 x - gestureLast[j].p.x;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	420 gestureLine[j].d.y = gestureLine[j].d.y*gestureLine[j].points+
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	421 y - gestureLast[j].p.y;;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	422
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	423
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	424 gestureLine[j].points++;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	425
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	426 gestureLine[j].s.x /= gestureLine[j].points;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	427 gestureLine[j].s.y /= gestureLine[j].points;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	428
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	429 gestureLine[j].d.x /= gestureLine[j].points;
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	430 gestureLine[j].d.y /= gestureLine[j].points;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	431 #endif
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	432
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	433 dollarPath[j].p[dollarPath[j].numPoints].x = x;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	434 dollarPath[j].p[dollarPath[j].numPoints].y = y;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	435 float dx = (dollarPath[j].p[dollarPath[j].numPoints-1].x-
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	436 dollarPath[j].p[dollarPath[j].numPoints ].x);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	437 float dy = (dollarPath[j].p[dollarPath[j].numPoints-1].y-
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	438 dollarPath[j].p[dollarPath[j].numPoints ].y);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	439 dollarPath[j].length += sqrt(dxdx + dydy);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	440
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	441 dollarPath[j].numPoints++;
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	442
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	443
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	444 gestureLast[j].p.x = x;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	445 gestureLast[j].p.y = y;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	446 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	447 //pressure?
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	448 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	449 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	450 else if(gestureLast[j].id == -1 && empty == -1) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	451 empty = j;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	452 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	453 }
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	454
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	455 if(j >= MAXFINGERS && empty >= 0) {
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	456 // printf("Finger Down!!!\n");
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	457 j = empty; //important that j is the index of the added finger
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	458 gestureLast[j].id = event.tfinger.fingerId;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	459 gestureLast[j].p.x = x;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	460 gestureLast[j].p.y = y;
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	461 #ifdef DRAW_VECTOR_EST
4653 744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	462 gestureLine[j].s.x = x;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	463 gestureLine[j].s.y = y;
744b75ad18b8 Started adding vectorization of touch data. Jim Grandpre <jim.tla@gmail.com> parents: 4651 diff changeset	464 gestureLine[j].points = 1;
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	465 #endif
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	466
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	467 dollarPath[j].length = 0;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	468 dollarPath[j].p[0].x = x;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	469 dollarPath[j].p[0].y = y;
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	470 dollarPath[j].numPoints = 1;
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	471 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	472
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	473 //draw the touch && each centroid:
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	474
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	475 if(gestureLast[j].id < 0) continue; //Finger up. Or some error...
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	476 int k;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	477 for(k = 0; k < MAXFINGERS;k++) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	478
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	479 if(gestureLast[k].id < 0) continue;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	480 //colors have no alpha, so shouldn't overflow
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	481 unsigned int c = (colors[gestureLast[j].id%7] +
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	482 colors[gestureLast[k].id%7])/2;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	483 unsigned int col =
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	484 ((unsigned int)(c*(.1+.85))) \|
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	485 ((unsigned int)((0xFF*(1-((float)age)/EVENT_BUF_SIZE))) & 0xFF)<<24;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	486 x = (gestureLast[j].p.x + gestureLast[k].p.x)/2;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	487 y = (gestureLast[j].p.y + gestureLast[k].p.y)/2;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	488 if(event.type == SDL_FINGERMOTION)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	489 drawCircle(screen,xscreen->w,yscreen->h,5,col);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	490 else if(event.type == SDL_FINGERDOWN)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	491 drawCircle(screen,xscreen->w,yscreen->h,-10,col);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	492 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	493 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	494 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	495
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	496
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	497 for(i=0;i<MAXFINGERS;i++)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	498 if(finger[i].p.x >= 0 && finger[i].p.y >= 0)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	499 if(finger[i].pressure > 0)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	500 drawCircle(screen,finger[i].p.xscreen->w,finger[i].p.yscreen->h
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	501 ,20,0xFF*finger[i].pressure);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	502 else
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	503 drawCircle(screen,finger[i].p.xscreen->w,finger[i].p.yscreen->h
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	504 ,20,0xFF);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	505
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	506
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	507 keystat[32] = 0;
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	508
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	509 if(SDL_MUSTLOCK(screen)) SDL_UnlockSurface(screen);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	510
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	511 SDL_Flip(screen);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	512 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	513
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	514 SDL_Surface* initScreen(int width,int height)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	515 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	516 return SDL_SetVideoMode(width, height, DEPTH,
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	517 SDL_HWSURFACE \| SDL_RESIZABLE);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	518 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	519
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	520 int main(int argc, char* argv[])
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	521 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	522 SDL_Surface *screen;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	523 SDL_Event event;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	524
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	525 int keypress = 0;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	526 int h=0,s=1,i,j;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	527
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	528 memset(keystat,0,512*sizeof(keystat[0]));
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	529 if (SDL_Init(SDL_INIT_VIDEO) < 0 ) return 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	530
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	531 if (!(screen = initScreen(WIDTH,HEIGHT)))
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	532 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	533 SDL_Quit();
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	534 return 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	535 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	536
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	537 while(!keystat[27]) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	538 //Poll SDL
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	539 while(SDL_PollEvent(&event))
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	540 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	541 //Record _all_ events
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	542 events[eventWrite & (EVENT_BUF_SIZE-1)] = event;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	543 eventWrite++;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	544
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	545 switch (event.type)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	546 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	547 case SDL_QUIT:
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	548 keystat[27] = 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	549 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	550 case SDL_KEYDOWN:
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	551 //printf("%i\n",event.key.keysym.sym);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	552 keystat[event.key.keysym.sym] = 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	553 //keypress = 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	554 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	555 case SDL_KEYUP:
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	556 //printf("%i\n",event.key.keysym.sym);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	557 keystat[event.key.keysym.sym] = 0;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	558 //keypress = 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	559 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	560 case SDL_VIDEORESIZE:
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	561 if (!(screen = initScreen(event.resize.w,
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	562 event.resize.h)))
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	563 {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	564 SDL_Quit();
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	565 return 1;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	566 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	567 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	568 case SDL_MOUSEMOTION:
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	569 mousx = event.motion.x;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	570 mousy = event.motion.y;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	571 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	572 case SDL_MOUSEBUTTONDOWN:
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	573 bstatus \|= (1<<(event.button.button-1));
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	574 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	575 case SDL_MOUSEBUTTONUP:
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	576 bstatus &= ~(1<<(event.button.button-1));
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	577 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	578 case SDL_FINGERMOTION:
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	579 ;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	580 //printf("Finger: %i,x: %i, y: %i\n",event.tfinger.fingerId,
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	581 // event.tfinger.x,event.tfinger.y);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	582 SDL_Touch* inTouch = SDL_GetTouch(event.tfinger.touchId);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	583 SDL_Finger* inFinger = SDL_GetFinger(inTouch,event.tfinger.fingerId);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	584
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	585 for(i = 0;i<MAXFINGERS;i++)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	586 if(index2fingerid[i] == event.tfinger.fingerId)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	587 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	588 if(i == MAXFINGERS) break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	589 if(inTouch > 0) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	590 finger[i].p.x = ((float)event.tfinger.x)/
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	591 inTouch->xres;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	592 finger[i].p.y = ((float)event.tfinger.y)/
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	593 inTouch->yres;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	594
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	595 finger[i].pressure =
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	596 ((float)event.tfinger.pressure)/inTouch->pressureres;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	597
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	598 printf("Finger: %i, Pressure: %f Pressureres: %i\n",
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	599 event.tfinger.fingerId,
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	600 finger[i].pressure,
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	601 inTouch->pressureres);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	602 //printf("Finger: %i, pressure: %f\n",event.tfinger.fingerId,
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	603 // finger[event.tfinger.fingerId].pressure);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	604 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	605
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	606 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	607 case SDL_FINGERDOWN:
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	608 printf("Finger: %i down - x: %i, y: %i\n",event.tfinger.fingerId,
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	609 event.tfinger.x,event.tfinger.y);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	610
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	611 for(i = 0;i<MAXFINGERS;i++)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	612 if(index2fingerid[i] == -1) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	613 index2fingerid[i] = event.tfinger.fingerId;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	614 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	615 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	616 finger[i].p.x = event.tfinger.x;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	617 finger[i].p.y = event.tfinger.y;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	618 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	619 case SDL_FINGERUP:
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	620 printf("Figner: %i up - x: %i, y: %i\n",event.tfinger.fingerId,
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	621 event.tfinger.x,event.tfinger.y);
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	622 for(i = 0;i<MAXFINGERS;i++)
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	623 if(index2fingerid[i] == event.tfinger.fingerId) {
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	624 index2fingerid[i] = -1;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	625 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	626 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	627 finger[i].p.x = -1;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	628 finger[i].p.y = -1;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	629 break;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	630 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	631 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	632 //And draw
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	633 DrawScreen(screen,h);
4654 7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	634
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	635 //for(i=0;i<512;i++)
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	636 // if(keystat[i]) printf("%i\n",i);
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	637
7dbcd71216df Added $1 gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: 4653 diff changeset	638
4651 86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	639 }
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	640 SDL_Quit();
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	641
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	642 return 0;
86c171888eee Added gesture test c file. Beginning of gesture recognition. Jim Grandpre <jim.tla@gmail.com> parents: diff changeset	643 }

Mercurial > sdl-ios-xcode

annotate touchTest/gestureTest.c @ 4654:7dbcd71216df