1 files changed, 62 insertions, 7 deletions

@@ -20,8 +20,6 @@
     
     if (nil != self)
     {
-        isAccelerometerEnabled_ = YES;
-        
         objects = [[NSMutableSet alloc] init];
         
         cart = [[Cart alloc] initWithSprite:[CCSprite spriteWithFile:@"cart.png"]];
@@ -53,6 +51,26 @@
         }
         
         isPaused = NO;
+
+        Class cmClass = (NSClassFromString(@"CMMotionManager"));
+        if (cmClass)
+        {
+            motionManager = [[CMMotionManager alloc] init];
+            
+            if (motionManager.gyroAvailable)
+            {
+                [motionManager setDeviceMotionUpdateInterval:1.0f/60.0f];
+                isAccelerometerEnabled_ = NO;
+                hasGyroscope = YES;
+            } else {
+                isAccelerometerEnabled_ = YES;
+                motionManager = nil;
+                hasGyroscope = NO;
+            }
+        } else {
+            isAccelerometerEnabled_ = YES;
+            hasGyroscope = NO;
+        }
     }
     
     return self;
@@ -60,19 +78,39 @@
 
 - (void)accelerometer:(UIAccelerometer*)accelerometer didAccelerate:(UIAcceleration*)acceleration
 {       
-        [cart accelerometer:accelerometer didAccelerate:acceleration];
+    self.pitch = acceleration.y;
 }
 
 - (void)onEnterTransitionDidFinish
 {
     [super onEnterTransitionDidFinish];
     
-    [[UIAccelerometer sharedAccelerometer] setUpdateInterval:(1.0 / 60)];
+    if (hasGyroscope)
+    {
+        [motionManager startDeviceMotionUpdates];
+    } else {
+        [[UIAccelerometer sharedAccelerometer] setUpdateInterval:(1.0 / 60)];
+    }
+    
     [self schedule:@selector(tick:) interval:1.0f/60.0f];
 }
 
+- (void)onExit
+{
+    if (hasGyroscope)
+    {
+        [motionManager stopDeviceMotionUpdates];
+    }
+}
+
 - (void)tick:(ccTime)dt
 {
+    if (hasGyroscope)
+    {
+        CMDeviceMotion* motion = [motionManager deviceMotion];
+        self.pitch = -motion.attitude.pitch;
+    }
+    
     [cart tick];
     
     NSMutableSet* discardedObjects = [NSMutableSet set];
@@ -100,6 +138,11 @@
         
         [self pauseSchedulerAndActions];
         
+        if (hasGyroscope)
+        {
+            [motionManager stopDeviceMotionUpdates];
+        }
+        
         shadedLayer = [CCLayerColor layerWithColor:ccc4(0, 0, 0, 127)];
         [[[CCDirector sharedDirector] runningScene] addChild:shadedLayer];
         
@@ -132,6 +175,11 @@
         shadedLayer = nil;
         pauseLayer = nil;
         
+        if (hasGyroscope)
+        {
+            [motionManager startDeviceMotionUpdates];
+        }
+        
         [self resumeSchedulerAndActions];
         
         isPaused = NO;
@@ -202,9 +250,16 @@
 
 + (GameModeInfo*)info
 {
-    [NSException raise:@"Unimplemented method" format:@"Method -info of GameMode subclasses must be overridden"];
-    
-    return nil;
+  [NSException raise:@"Unimplemented method" format:@"Method -info of GameMode subclasses must be overridden"];
+  
+  return nil;
+}
+
+- (void)setPitch:(double)m_pitch
+{
+    pitch = m_pitch;
+
+    [cart deviceDidRotate:pitch];
 }
 
 - (void)dealloc