SpriteKit demo: a cloud, hats and fire!

SpritesInMotion/SpritesInMotion.xcodeproj/project.pbxproj

@@ -23,6 +23,11 @@
 		DA49760217E88CFA0048115D /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = DA4975DD17E88CF90048115D /* UIKit.framework */; };
 		DA49760A17E88CFA0048115D /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = DA49760817E88CFA0048115D /* InfoPlist.strings */; };
 		DA49760C17E88CFA0048115D /* SpritesInMotionTests.m in Sources */ = {isa = PBXBuildFile; fileRef = DA49760B17E88CFA0048115D /* SpritesInMotionTests.m */; };
+		DA49761617E9F7780048115D /* cloud@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = DA49761517E9F7780048115D /* cloud@2x.png */; };
+		DA49761817E9FAAD0048115D /* bnrhat@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = DA49761717E9FAAD0048115D /* bnrhat@2x.png */; };
+		DA49761F17EA12F50048115D /* fire.sks in Resources */ = {isa = PBXBuildFile; fileRef = DA49761D17EA12F50048115D /* fire.sks */; };
+		DA49762017EA12F50048115D /* spark.png in Resources */ = {isa = PBXBuildFile; fileRef = DA49761E17EA12F50048115D /* spark.png */; };
+		DA49762417EA232A0048115D /* roof@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = DA49762317EA232A0048115D /* roof@2x.png */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -58,6 +63,11 @@
 		DA49760717E88CFA0048115D /* SpritesInMotionTests-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "SpritesInMotionTests-Info.plist"; sourceTree = "<group>"; };
 		DA49760917E88CFA0048115D /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = en; path = en.lproj/InfoPlist.strings; sourceTree = "<group>"; };
 		DA49760B17E88CFA0048115D /* SpritesInMotionTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = SpritesInMotionTests.m; sourceTree = "<group>"; };
+		DA49761517E9F7780048115D /* cloud@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "cloud@2x.png"; sourceTree = "<group>"; };
+		DA49761717E9FAAD0048115D /* bnrhat@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "bnrhat@2x.png"; sourceTree = "<group>"; };
+		DA49761D17EA12F50048115D /* fire.sks */ = {isa = PBXFileReference; lastKnownFileType = file.sks; path = fire.sks; sourceTree = "<group>"; };
+		DA49761E17EA12F50048115D /* spark.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = spark.png; sourceTree = "<group>"; };
+		DA49762317EA232A0048115D /* roof@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "roof@2x.png"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -126,7 +136,12 @@
 				DA4975F117E88CF90048115D /* BNRViewController.m */,
 				DA4975F317E88CF90048115D /* BNRMyScene.h */,
 				DA4975F417E88CF90048115D /* BNRMyScene.m */,
+				DA49761517E9F7780048115D /* cloud@2x.png */,
+				DA49761717E9FAAD0048115D /* bnrhat@2x.png */,
+				DA49762317EA232A0048115D /* roof@2x.png */,
 				DA4975F817E88CF90048115D /* Images.xcassets */,
+				DA49761D17EA12F50048115D /* fire.sks */,
+				DA49761E17EA12F50048115D /* spark.png */,
 				DA4975E217E88CF90048115D /* Supporting Files */,
 			);
 			path = SpritesInMotion;
@@ -239,8 +254,13 @@
 			buildActionMask = 2147483647;
 			files = (
 				DA4975E617E88CF90048115D /* InfoPlist.strings in Resources */,
+				DA49762417EA232A0048115D /* roof@2x.png in Resources */,
+				DA49761817E9FAAD0048115D /* bnrhat@2x.png in Resources */,
 				DA4975F917E88CF90048115D /* Images.xcassets in Resources */,
+				DA49762017EA12F50048115D /* spark.png in Resources */,
 				DA4975EF17E88CF90048115D /* Main.storyboard in Resources */,
+				DA49761617E9F7780048115D /* cloud@2x.png in Resources */,
+				DA49761F17EA12F50048115D /* fire.sks in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

SpritesInMotion/SpritesInMotion/BNRMyScene.m

@@ -19,14 +19,20 @@ + (instancetype)randomColor
 }
 @end
 
+@interface BNRMyScene ()
+@property (nonatomic, assign) NSUInteger numberOfHats;
+@end
+
 @implementation BNRMyScene
 
 -(id)initWithSize:(CGSize)size {    
     if (self = [super initWithSize:size]) {
         /* Setup your scene here */
-        self.backgroundColor = [SKColor colorWithRed:0.9 green:0.95 blue:0.8 alpha:1.0];
+        self.backgroundColor = [SKColor colorWithRed:0.15 green:0.15 blue:0.5 alpha:1.0];
         [self configurePhysicsWorld];
+        [self createCloud];
         [self createBuilding];
+        self.numberOfHats = 0;
     }
     return self;
 }
@@ -36,7 +42,10 @@ -(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
 
     for (UITouch *touch in touches) {
         CGPoint location = [touch locationInNode:self];
-        [self createBouncingBallAtPoint:location];
+        [self createBouncingHatAtPoint:location];
+        if (++self.numberOfHats == 3) {
+            [self createEmitter];
+        }
     }
 }
 
@@ -46,16 +55,13 @@ - (void)configurePhysicsWorld
     self.physicsBody = [SKPhysicsBody bodyWithEdgeLoopFromRect:CGRectMake(0, 0, self.size.width, self.size.height)];
 }
 
-- (void)createBouncingBallAtPoint:(CGPoint)point
+- (void)createBouncingHatAtPoint:(CGPoint)point
 {
-    CGFloat radius = 15.0;
-    // for physics simulation, we'll pretend it's a circle
+    CGFloat radius = 20.0;
     SKPhysicsBody *physicsBody = [SKPhysicsBody bodyWithCircleOfRadius:radius];
     physicsBody.velocity = CGVectorMake(300+arc4random_uniform(300), 200+arc4random_uniform(300));
     physicsBody.restitution = 0.8; // make it bouncy
-    CGSize size = CGSizeMake(radius*2, radius*2);
-    // ...but will render it as a square to see the rotation
-    SKSpriteNode *ball = [SKSpriteNode spriteNodeWithColor:[SKColor randomColor] size:size];
+    SKSpriteNode *ball = [SKSpriteNode spriteNodeWithImageNamed:@"bnrhat"];
     ball.position = point;
     ball.physicsBody = physicsBody;
     [self addChild:ball];
@@ -68,22 +74,45 @@ - (void)createBuilding
     one.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:size];
     one.position = CGPointMake(self.size.width-60, 180);
     one.physicsBody.restitution = 0.5;
-    SKSpriteNode *two = [SKSpriteNode spriteNodeWithColor:[SKColor blueColor] size:size];
+    SKSpriteNode *two = [SKSpriteNode spriteNodeWithColor:[SKColor redColor] size:size];
     two.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:size];
     two.position = CGPointMake(self.size.width-160, 180);
     two.physicsBody.restitution = 0.5;
     [self addChild:one];
     [self addChild:two];
     CGSize horiz = CGSizeMake(150, 25);
-    SKSpriteNode *three = [SKSpriteNode spriteNodeWithColor:[SKColor whiteColor] size:horiz];
+    SKSpriteNode *three = [SKSpriteNode spriteNodeWithImageNamed:@"roof"];
     three.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:horiz];
     three.position = CGPointMake(self.size.width-110, 300);
     three.physicsBody.restitution = 0.5;
     [self addChild:three];
 }
 
+- (void)createCloud
+{
+    SKSpriteNode *cloud = [SKSpriteNode spriteNodeWithImageNamed:@"cloud"];
+    cloud.position = CGPointMake(60, 280);
+    SKAction *goRight = [SKAction moveByX:300 y:0 duration:2];
+    SKAction *goLeft = [goRight reversedAction];
+    SKAction *action = [SKAction sequence:@[goRight, goLeft]];
+    [cloud runAction:[SKAction repeatActionForever:action]];
+    [self addChild:cloud];
+}
+
+- (void)createEmitter
+{
+    [self addChild:[self newFireEmitter]];
+}
+
+- (SKEmitterNode *) newFireEmitter
+{
+    NSString *firePath = [[NSBundle mainBundle] pathForResource:@"fire" ofType:@"sks"];
+    SKEmitterNode *fire = [NSKeyedUnarchiver unarchiveObjectWithFile:firePath];
+    fire.position = CGPointMake(self.size.width-110, 10);
+    return fire;
+}
+
 -(void)update:(CFTimeInterval)currentTime {
     /* Called before each frame is rendered */
 }
-
 @end

SpritesInMotion/SpritesInMotion/BNRViewController.m

@@ -20,9 +20,9 @@ - (void)viewDidLoad
 - (void)viewDidAppear:(BOOL)animated
 {
     // Configure the view.
-    SKView * skView = (SKView *)self.view;
-    skView.showsFPS = YES;
-    skView.showsNodeCount = YES;
+//    SKView * skView = (SKView *)self.view;
+//    skView.showsFPS = YES;
+//    skView.showsNodeCount = YES;
 
     [self resetScene];
 }