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annotate src/joystick/iphoneos/SDLUIAccelerationDelegate.m @ 2427:32b9909db651 gsoc2008_iphone

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changed macro MAX_G_FORCE to SDL_IPHONE_MAX_GFORCE and moved it to the SDL_config_iphoneos.h file. This should allow users to convert between the Sint16 returned by polling the joystick and units of g-force, which better describe what is going on with the iPhone (and are what the iPhone OS actually gives you). This conversion wouldn't be necessary except that we'd need floating point to store everything as g-force.
author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Fri, 15 Aug 2008 00:46:58 +0000
parents 44fc2537ff9e
children 78bddf0c0fa2
rev   line source
2362
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
1 //
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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2 // SDLUIAccelerationDelegate.m
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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3 // iPodSDL
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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4 //
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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5 // Created by Holmes Futrell on 6/21/08.
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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6 // Copyright 2008 __MyCompanyName__. All rights reserved.
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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7 //
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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8
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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9 #import "SDLUIAccelerationDelegate.h"
2427
32b9909db651 changed macro MAX_G_FORCE to SDL_IPHONE_MAX_GFORCE and moved it to the SDL_config_iphoneos.h file. This should allow users to convert between the Sint16 returned by polling the joystick and units of g-force, which better describe what is going on with the iPhone (and are what the iPhone OS actually gives you). This conversion wouldn't be necessary except that we'd need floating point to store everything as g-force.
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parents: 2362
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10 #import "../../../include/SDL_config_iphoneos.h"
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44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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parents:
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11
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
Holmes Futrell <hfutrell@umail.ucsb.edu>
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12 static SDLUIAccelerationDelegate *sharedDelegate=nil;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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13
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
Holmes Futrell <hfutrell@umail.ucsb.edu>
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14 @implementation SDLUIAccelerationDelegate
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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15
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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16 +(SDLUIAccelerationDelegate *)sharedDelegate {
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
Holmes Futrell <hfutrell@umail.ucsb.edu>
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17 if (sharedDelegate == nil) {
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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18 sharedDelegate = [[SDLUIAccelerationDelegate alloc] init];
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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19 }
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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20 return sharedDelegate;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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21 }
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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22
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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23 -(void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration {
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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24
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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25 x = acceleration.x;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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26 y = acceleration.y;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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27 z = acceleration.z;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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28
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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29 hasNewData = YES;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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30 //timestamp = acceleration.timestamp;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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31
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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32 }
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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33
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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34 -(void)getLastOrientation:(Sint16 *)data {
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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35
2427
32b9909db651 changed macro MAX_G_FORCE to SDL_IPHONE_MAX_GFORCE and moved it to the SDL_config_iphoneos.h file. This should allow users to convert between the Sint16 returned by polling the joystick and units of g-force, which better describe what is going on with the iPhone (and are what the iPhone OS actually gives you). This conversion wouldn't be necessary except that we'd need floating point to store everything as g-force.
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36 #define MAX_SINT16 0x7FFF
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37
2427
32b9909db651 changed macro MAX_G_FORCE to SDL_IPHONE_MAX_GFORCE and moved it to the SDL_config_iphoneos.h file. This should allow users to convert between the Sint16 returned by polling the joystick and units of g-force, which better describe what is going on with the iPhone (and are what the iPhone OS actually gives you). This conversion wouldn't be necessary except that we'd need floating point to store everything as g-force.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2362
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38 if (x > SDL_IPHONE_MAX_GFORCE) x = SDL_IPHONE_MAX_GFORCE;
32b9909db651 changed macro MAX_G_FORCE to SDL_IPHONE_MAX_GFORCE and moved it to the SDL_config_iphoneos.h file. This should allow users to convert between the Sint16 returned by polling the joystick and units of g-force, which better describe what is going on with the iPhone (and are what the iPhone OS actually gives you). This conversion wouldn't be necessary except that we'd need floating point to store everything as g-force.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2362
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39 else if (x < -SDL_IPHONE_MAX_GFORCE) x = -SDL_IPHONE_MAX_GFORCE;
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40
2427
32b9909db651 changed macro MAX_G_FORCE to SDL_IPHONE_MAX_GFORCE and moved it to the SDL_config_iphoneos.h file. This should allow users to convert between the Sint16 returned by polling the joystick and units of g-force, which better describe what is going on with the iPhone (and are what the iPhone OS actually gives you). This conversion wouldn't be necessary except that we'd need floating point to store everything as g-force.
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parents: 2362
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41 if (y > SDL_IPHONE_MAX_GFORCE) y = SDL_IPHONE_MAX_GFORCE;
32b9909db651 changed macro MAX_G_FORCE to SDL_IPHONE_MAX_GFORCE and moved it to the SDL_config_iphoneos.h file. This should allow users to convert between the Sint16 returned by polling the joystick and units of g-force, which better describe what is going on with the iPhone (and are what the iPhone OS actually gives you). This conversion wouldn't be necessary except that we'd need floating point to store everything as g-force.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2362
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42 else if (y < -SDL_IPHONE_MAX_GFORCE) y = -SDL_IPHONE_MAX_GFORCE;
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44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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43
2427
32b9909db651 changed macro MAX_G_FORCE to SDL_IPHONE_MAX_GFORCE and moved it to the SDL_config_iphoneos.h file. This should allow users to convert between the Sint16 returned by polling the joystick and units of g-force, which better describe what is going on with the iPhone (and are what the iPhone OS actually gives you). This conversion wouldn't be necessary except that we'd need floating point to store everything as g-force.
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parents: 2362
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44 if (z > SDL_IPHONE_MAX_GFORCE) z = SDL_IPHONE_MAX_GFORCE;
32b9909db651 changed macro MAX_G_FORCE to SDL_IPHONE_MAX_GFORCE and moved it to the SDL_config_iphoneos.h file. This should allow users to convert between the Sint16 returned by polling the joystick and units of g-force, which better describe what is going on with the iPhone (and are what the iPhone OS actually gives you). This conversion wouldn't be necessary except that we'd need floating point to store everything as g-force.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2362
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45 else if (z < -SDL_IPHONE_MAX_GFORCE) z = -SDL_IPHONE_MAX_GFORCE;
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44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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46
2427
32b9909db651 changed macro MAX_G_FORCE to SDL_IPHONE_MAX_GFORCE and moved it to the SDL_config_iphoneos.h file. This should allow users to convert between the Sint16 returned by polling the joystick and units of g-force, which better describe what is going on with the iPhone (and are what the iPhone OS actually gives you). This conversion wouldn't be necessary except that we'd need floating point to store everything as g-force.
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parents: 2362
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47 data[0] = (x / SDL_IPHONE_MAX_GFORCE) * MAX_SINT16;
32b9909db651 changed macro MAX_G_FORCE to SDL_IPHONE_MAX_GFORCE and moved it to the SDL_config_iphoneos.h file. This should allow users to convert between the Sint16 returned by polling the joystick and units of g-force, which better describe what is going on with the iPhone (and are what the iPhone OS actually gives you). This conversion wouldn't be necessary except that we'd need floating point to store everything as g-force.
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parents: 2362
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48 data[1] = (y / SDL_IPHONE_MAX_GFORCE) * MAX_SINT16;
32b9909db651 changed macro MAX_G_FORCE to SDL_IPHONE_MAX_GFORCE and moved it to the SDL_config_iphoneos.h file. This should allow users to convert between the Sint16 returned by polling the joystick and units of g-force, which better describe what is going on with the iPhone (and are what the iPhone OS actually gives you). This conversion wouldn't be necessary except that we'd need floating point to store everything as g-force.
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49 data[2] = (z / SDL_IPHONE_MAX_GFORCE) * MAX_SINT16;
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50
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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51 }
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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52
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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53 -(id)init {
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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54
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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55 self = [super init];
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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56 x = y = z = 0.0;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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57 return self;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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58
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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59 }
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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60
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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61 -(void)dealloc {
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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62 sharedDelegate = nil;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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63 [super dealloc];
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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64 }
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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65
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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66 -(void)startup {
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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67 [UIAccelerometer sharedAccelerometer].delegate = self;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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68 isRunning = YES;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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69 }
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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70
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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71 -(void)shutdown {
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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72 [UIAccelerometer sharedAccelerometer].delegate = nil;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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73 isRunning = NO;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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74 }
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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75
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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76 -(BOOL)isRunning {
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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77 return isRunning;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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78 }
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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79
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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80 -(BOOL)hasNewData {
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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81 return hasNewData;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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82 }
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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83
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
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diff changeset
84 -(void)setHasNewData:(BOOL)value {
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
85 hasNewData = value;
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
86 }
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
87
44fc2537ff9e These files contain the specification for a class which receives updates from the iPhone accelerometer. The class holds the accelerometer information, and is queried by SDL_sysjoystick.m.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
88 @end