diff test/testjoystick.c @ 1855:5ff2c01e475e

Moved DirectInput joystick code to 1.3 branch
author Sam Lantinga <slouken@libsdl.org>
date Sun, 21 May 2006 17:26:40 +0000
parents 2280e314a978
children c121d94672cb 3d9040dcc47e
line wrap: on
line diff
--- a/test/testjoystick.c	Sun May 21 16:47:41 2006 +0000
+++ b/test/testjoystick.c	Sun May 21 17:26:40 2006 +0000
@@ -17,7 +17,7 @@
 	int i, done;
 	SDL_Event event;
 	int x, y, draw;
-	SDL_Rect axis_area[6][2];
+	SDL_Rect axis_area[2];
 
 	/* Set a video mode to display joystick axis position */
 	screen = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, 16, 0);
@@ -110,38 +110,36 @@
 			SDL_UpdateRects(screen, 1, &area);
 		}
 
-		for ( i=0; i<SDL_JoystickNumAxes(joystick)/2 && i < SDL_arraysize(axis_area); ++i ) {
-			/* Erase previous axes */
-			SDL_FillRect(screen, &axis_area[i][draw], 0x0000);
+		/* Erase previous axes */
+		SDL_FillRect(screen, &axis_area[draw], 0x0000);
 
-			/* Draw the X/Y axis */
-			draw = !draw;
-			x = (((int)SDL_JoystickGetAxis(joystick, i*2+0))+32768);
-			x *= SCREEN_WIDTH;
-			x /= 65535;
-			if ( x < 0 ) {
-				x = 0;
-			} else
-			if ( x > (SCREEN_WIDTH-16) ) {
-				x = SCREEN_WIDTH-16;
-			}
-			y = (((int)SDL_JoystickGetAxis(joystick, i*2+1))+32768);
-			y *= SCREEN_HEIGHT;
-			y /= 65535;
-			if ( y < 0 ) {
-				y = 0;
-			} else
-			if ( y > (SCREEN_HEIGHT-16) ) {
-				y = SCREEN_HEIGHT-16;
-			}
-			axis_area[i][draw].x = (Sint16)x;
-			axis_area[i][draw].y = (Sint16)y;
-			axis_area[i][draw].w = 16;
-			axis_area[i][draw].h = 16;
-			SDL_FillRect(screen, &axis_area[i][draw], 0xFFFF);
+		/* Draw the X/Y axis */
+		draw = !draw;
+		x = (((int)SDL_JoystickGetAxis(joystick, 0))+32768);
+		x *= SCREEN_WIDTH;
+		x /= 65535;
+		if ( x < 0 ) {
+			x = 0;
+		} else
+		if ( x > (SCREEN_WIDTH-16) ) {
+			x = SCREEN_WIDTH-16;
+		}
+		y = (((int)SDL_JoystickGetAxis(joystick, 1))+32768);
+		y *= SCREEN_HEIGHT;
+		y /= 65535;
+		if ( y < 0 ) {
+			y = 0;
+		} else
+		if ( y > (SCREEN_HEIGHT-16) ) {
+			y = SCREEN_HEIGHT-16;
+		}
+		axis_area[draw].x = (Sint16)x;
+		axis_area[draw].y = (Sint16)y;
+		axis_area[draw].w = 16;
+		axis_area[draw].h = 16;
+		SDL_FillRect(screen, &axis_area[draw], 0xFFFF);
 
-			SDL_UpdateRects(screen, 2, axis_area[i]);
-		}
+		SDL_UpdateRects(screen, 2, axis_area);
 	}
 }