Added support for gyroscope-based movement v0.4.8

Closes #230

6 files changed, 89 insertions, 19 deletions

@@ -109,6 +109,7 @@
                 6C19F1651401917900F9CCD3 /* feedback2.png in Resources */ = {isa = PBXBuildFile; fileRef = 6C19F1641401917900F9CCD3 /* feedback2.png */; };
                 6C29041013EAEB590032DA0F /* TutorialBubble.m in Sources */ = {isa = PBXBuildFile; fileRef = 6C29040F13EAEB590032DA0F /* TutorialBubble.m */; };
                 6C29041213EAEC8A0032DA0F /* framestuff.png in Resources */ = {isa = PBXBuildFile; fileRef = 6C29041113EAEC8A0032DA0F /* framestuff.png */; };
+                6C2A07781436100C007AB76C /* CoreMotion.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6C2A07771436100C007AB76C /* CoreMotion.framework */; settings = {ATTRIBUTES = (Weak, ); }; };
                 6C39CFE013FC2708002B21AF /* tutorial.png in Resources */ = {isa = PBXBuildFile; fileRef = 6C39CFDF13FC2708002B21AF /* tutorial.png */; };
                 6C39CFE213FC2713002B21AF /* tutorial2.png in Resources */ = {isa = PBXBuildFile; fileRef = 6C39CFE113FC2713002B21AF /* tutorial2.png */; };
                 6C39CFE513FC4635002B21AF /* JumpGameMode.m in Sources */ = {isa = PBXBuildFile; fileRef = 6C39CFE413FC4635002B21AF /* JumpGameMode.m */; };
@@ -444,6 +445,7 @@
                 6C29040E13EAEB590032DA0F /* TutorialBubble.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = TutorialBubble.h; sourceTree = "<group>"; };
                 6C29040F13EAEB590032DA0F /* TutorialBubble.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = TutorialBubble.m; sourceTree = "<group>"; };
                 6C29041113EAEC8A0032DA0F /* framestuff.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = framestuff.png; sourceTree = "<group>"; };
+                6C2A07771436100C007AB76C /* CoreMotion.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreMotion.framework; path = System/Library/Frameworks/CoreMotion.framework; sourceTree = SDKROOT; };
                 6C39CFDF13FC2708002B21AF /* tutorial.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = tutorial.png; sourceTree = "<group>"; };
                 6C39CFE113FC2713002B21AF /* tutorial2.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = tutorial2.png; sourceTree = "<group>"; };
                 6C39CFE313FC4635002B21AF /* JumpGameMode.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JumpGameMode.h; sourceTree = "<group>"; };
@@ -673,6 +675,7 @@
                         isa = PBXFrameworksBuildPhase;
                         buildActionMask = 2147483647;
                         files = (
+                                6C2A07781436100C007AB76C /* CoreMotion.framework in Frameworks */,
                                 DCCBF1B70F6022AE0040855A /* CoreGraphics.framework in Frameworks */,
                                 DCCBF1B90F6022AE0040855A /* Foundation.framework in Frameworks */,
                                 DCCBF1BB0F6022AE0040855A /* OpenGLES.framework in Frameworks */,
@@ -743,6 +746,7 @@
                         children = (
                                 6C88B69314119B5A0049E402 /* libTestFlight.a */,
                                 3F8395D013D746200059AEE8 /* libsqlite3.0.dylib */,
+                                6C2A07771436100C007AB76C /* CoreMotion.framework */,
                                 DCCBF1B60F6022AE0040855A /* CoreGraphics.framework */,
                                 DCCBF1B80F6022AE0040855A /* Foundation.framework */,
                                 DCCBF1BA0F6022AE0040855A /* OpenGLES.framework */,
@@ -1686,6 +1690,7 @@
                                 INFOPLIST_FILE = Resources/Info.plist;
                                 INFOPLIST_PREFIX_HEADER = Versioning.h;
                                 INFOPLIST_PREPROCESS = YES;
+                                IPHONEOS_DEPLOYMENT_TARGET = 3.0;
                                 LIBRARY_SEARCH_PATHS = (
                                         "$(inherited)",
                                         "\"$(SRCROOT)\"",
@@ -1695,6 +1700,7 @@
                                         "-ObjC",
                                 );
                                 PRODUCT_NAME = Cartographic;
+                                SDKROOT = iphoneos;
                                 TARGETED_DEVICE_FAMILY = 1;
                                 WARNING_CFLAGS = "-Wall";
                         };
@@ -1718,6 +1724,7 @@
                                 INFOPLIST_FILE = Resources/Info.plist;
                                 INFOPLIST_PREFIX_HEADER = Versioning.h;
                                 INFOPLIST_PREPROCESS = YES;
+                                IPHONEOS_DEPLOYMENT_TARGET = 3.0;
                                 LIBRARY_SEARCH_PATHS = (
                                         "$(inherited)",
                                         "\"$(SRCROOT)\"",
@@ -1727,6 +1734,7 @@
                                         "-ObjC",
                                 );
                                 PRODUCT_NAME = Cartographic;
+                                SDKROOT = iphoneos;
                                 TARGETED_DEVICE_FAMILY = 1;
                                 WARNING_CFLAGS = "-Wall";
                         };
@@ -1821,6 +1829,7 @@
                                 INFOPLIST_FILE = Resources/Info.plist;
                                 INFOPLIST_PREFIX_HEADER = Versioning.h;
                                 INFOPLIST_PREPROCESS = YES;
+                                IPHONEOS_DEPLOYMENT_TARGET = 3.0;
                                 LIBRARY_SEARCH_PATHS = (
                                         "$(inherited)",
                                         "\"$(SRCROOT)\"",
@@ -1830,6 +1839,7 @@
                                         "-ObjC",
                                 );
                                 PRODUCT_NAME = Cartographic;
+                                SDKROOT = iphoneos;
                                 TARGETED_DEVICE_FAMILY = 1;
                                 WARNING_CFLAGS = "-Wall";
                         };
@@ -26,6 +26,6 @@
 @property (assign) BOOL boundedByScreen;
 - (id)initWithSprite:(CCSprite*)sprite;
 - (void)tick;
-- (void)accelerometer:(UIAccelerometer*)accelerometer didAccelerate:(UIAcceleration*)acceleration;
+- (void)deviceDidRotate:(double)pitch;
 
 @end
@@ -62,15 +62,14 @@
     }
 }
 
-- (void)accelerometer:(UIAccelerometer*)accelerometer didAccelerate:(UIAcceleration*)acceleration
+#define kFilterFactor 0.05f
+
+- (void)deviceDidRotate:(double)pitch
 {
     static float prevY=0;
-        
-#define kFilterFactor 0.05f
-        
-        float accelY = -((float) acceleration.y * kFilterFactor + (1- kFilterFactor)*prevY);
-        
-        prevY = accelY;
+    float accelY = -((float) pitch * kFilterFactor + (1- kFilterFactor)*prevY);
+    
+    prevY = accelY;
         accelX = accelY * 750;
 }
 
@@ -8,6 +8,7 @@
 
 #import "CCLayer.h"
 #import "Cart.h"
+#import <CoreMotion/CoreMotion.h>
 
 #define GAME_SCENE 436
 #define GAME_LAYER 437
@@ -28,6 +29,10 @@
     void (^delayedAction)(void);
     
     BOOL isPaused;
+    
+    BOOL hasGyroscope;
+    double pitch;
+    CMMotionManager* motionManager;
 }
 
 @property (readonly) Cart* cart;
@@ -43,5 +48,6 @@
 - (void)mainmenu;
 - (void)scheduleDelayedAction:(void(^)(void))delayedAction delay:(float)delay;
 - (void)runDelayedAction;
+- (void)setPitch:(double)m_pitch;
 
 @end
@@ -33,8 +33,6 @@
     
     if (nil != self)
     {
-        isAccelerometerEnabled_ = YES;
-        
         objects = [[NSMutableSet alloc] init];
         
         cart = [[Cart alloc] initWithSprite:[CCSprite spriteWithFile:@"cart.png"]];
@@ -64,6 +62,26 @@
         }
         
         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;
@@ -71,19 +89,39 @@
 
 - (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];
@@ -111,6 +149,11 @@
         
         [self pauseSchedulerAndActions];
         
+        if (hasGyroscope)
+        {
+            [motionManager stopDeviceMotionUpdates];
+        }
+        
         shadedLayer = [CCLayerColor layerWithColor:ccc4(0, 0, 0, 127)];
         [[[CCDirector sharedDirector] runningScene] addChild:shadedLayer];
         
@@ -143,6 +186,11 @@
         shadedLayer = nil;
         pauseLayer = nil;
         
+        if (hasGyroscope)
+        {
+            [motionManager startDeviceMotionUpdates];
+        }
+        
         [self resumeSchedulerAndActions];
         
         isPaused = NO;
@@ -211,6 +259,13 @@
     }
 }
 
+- (void)setPitch:(double)m_pitch
+{
+    pitch = m_pitch;
+    
+    [cart deviceDidRotate:pitch];
+}
+
 - (void)dealloc
 {
     [objects release];
@@ -288,13 +288,6 @@
     isGesturing = NO;
 }
 
-- (void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration
-{
-    [super accelerometer:accelerometer didAccelerate:acceleration];
-    
-    expectedAngle = acceleration.y*M_PI_2;
-}
-
 - (int)cartShouldFall:(Cart *)m_cart
 {
     int bottom = 0-m_cart.sprite.boundingBox.size.height/2;
@@ -500,6 +493,13 @@
     }
 }
 
+- (void)setPitch:(double)m_pitch
+{
+    [super setPitch:m_pitch];
+    
+    expectedAngle = pitch*M_PI_2;
+}
+
 @end
 
 @implementation LedgeFactory