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import SpriteKitclass
GameScene: SKScene { var
bird = SKSpriteNode() var
skyColor = SKColor() var
verticalPipeGap = 150.0 var
pipeTextureUp = SKTexture() var
pipeTextureDown = SKTexture() var
movePipesAndRemove = SKAction() override
func didMoveToView(view: SKView) { // setup physics self.physicsWorld.gravity = CGVectorMake( 0.0, -5.0 ) // setup background color skyColor = SKColor(red: 81.0/255.0, green: 192.0/255.0, blue: 201.0/255.0, alpha: 1.0) self.backgroundColor = skyColor // ground var
groundTexture = SKTexture(imageNamed: "land") groundTexture.filteringMode = SKTextureFilteringMode.Nearest var
moveGroundSprite = SKAction.moveByX(-groundTexture.size().width * 2.0, y: 0, duration: NSTimeInterval(0.02 * groundTexture.size().width * 2.0)) var
resetGroundSprite = SKAction.moveByX(groundTexture.size().width * 2.0, y: 0, duration: 0.0) var
moveGroundSpritesForever = SKAction.repeatActionForever(SKAction.sequence([moveGroundSprite,resetGroundSprite])) for
var i:CGFloat = 0; i < 2.0 + self.frame.size.width / ( groundTexture.size().width * 2.0 ); ++i { var
sprite = SKSpriteNode(texture: groundTexture) sprite.setScale(2.0) sprite.position = CGPointMake(i * sprite.size.width, sprite.size.height / 2.0) sprite.runAction(moveGroundSpritesForever) self.addChild(sprite) } // skyline var
skyTexture = SKTexture(imageNamed: "sky") skyTexture.filteringMode = SKTextureFilteringMode.Nearest var
moveSkySprite = SKAction.moveByX(-skyTexture.size().width * 2.0, y: 0, duration: NSTimeInterval(0.1 * skyTexture.size().width * 2.0)) var
resetSkySprite = SKAction.moveByX(skyTexture.size().width * 2.0, y: 0, duration: 0.0) var
moveSkySpritesForever = SKAction.repeatActionForever(SKAction.sequence([moveSkySprite,resetSkySprite])) for
var i:CGFloat = 0; i < 2.0 + self.frame.size.width / ( skyTexture.size().width * 2.0 ); ++i { var
sprite = SKSpriteNode(texture: skyTexture) sprite.setScale(2.0) sprite.zPosition = -20; sprite.position = CGPointMake(i * sprite.size.width, sprite.size.height / 2.0 + groundTexture.size().height * 2.0) sprite.runAction(moveSkySpritesForever) self.addChild(sprite) } // create the pipes textures pipeTextureUp = SKTexture(imageNamed: "PipeUp") pipeTextureUp.filteringMode = SKTextureFilteringMode.Nearest pipeTextureDown = SKTexture(imageNamed: "PipeDown") pipeTextureDown.filteringMode = SKTextureFilteringMode.Nearest // create the pipes movement actions var
distanceToMove = CGFloat(self.frame.size.width + 2.0 * pipeTextureUp.size().width); var
movePipes = SKAction.moveByX(-distanceToMove, y:0.0, duration:NSTimeInterval(0.01 * distanceToMove)); var
removePipes = SKAction.removeFromParent(); movePipesAndRemove = SKAction.sequence([movePipes, removePipes]); // spawn the pipes var
spawn = SKAction.runBlock({() in
self.spawnPipes()}) var
delay = SKAction.waitForDuration(NSTimeInterval(2.0)) var
spawnThenDelay = SKAction.sequence([spawn, delay]) var
spawnThenDelayForever = SKAction.repeatActionForever(spawnThenDelay) self.runAction(spawnThenDelayForever) // setup our bird var
birdTexture1 = SKTexture(imageNamed: "bird-01") birdTexture1.filteringMode = SKTextureFilteringMode.Nearest var
birdTexture2 = SKTexture(imageNamed: "bird-02") birdTexture2.filteringMode = SKTextureFilteringMode.Nearest var
anim = SKAction.animateWithTextures([birdTexture1, birdTexture2], timePerFrame: 0.2) var
flap = SKAction.repeatActionForever(anim) bird = SKSpriteNode(texture: birdTexture1) bird.setScale(2.0) bird.position = CGPoint(x: self.frame.size.width * 0.35, y:self.frame.size.height * 0.6) bird.runAction(flap) bird.physicsBody = SKPhysicsBody(circleOfRadius: bird.size.height / 2.0) bird.physicsBody.dynamic = true bird.physicsBody.allowsRotation = false self.addChild(bird) // create the ground var
ground = SKNode() ground.position = CGPointMake(0, groundTexture.size().height) ground.physicsBody = SKPhysicsBody(rectangleOfSize: CGSizeMake(self.frame.size.width, groundTexture.size().height * 2.0)) ground.physicsBody.dynamic = false self.addChild(ground) } func spawnPipes() { var
pipePair = SKNode() pipePair.position = CGPointMake( self.frame.size.width + pipeTextureUp.size().width * 2, 0 ); pipePair.zPosition = -10; var
height = UInt32( self.frame.size.height / 4 ) var
y = arc4random() % height + height; var
pipeDown = SKSpriteNode(texture: pipeTextureDown) pipeDown.setScale(2.0) pipeDown.position = CGPointMake(0.0, CGFloat(y) + pipeDown.size.height + CGFloat(verticalPipeGap)) pipeDown.physicsBody = SKPhysicsBody(rectangleOfSize: pipeDown.size) pipeDown.physicsBody.dynamic = false pipePair.addChild(pipeDown) var
pipeUp = SKSpriteNode(texture: pipeTextureUp) pipeUp.setScale(2.0) pipeUp.position = CGPointMake(0.0, CGFloat(y)) pipeUp.physicsBody = SKPhysicsBody(rectangleOfSize: pipeUp.size) pipeUp.physicsBody.dynamic = false pipePair.addChild(pipeUp) pipePair.runAction(movePipesAndRemove); self.addChild(pipePair) } override
func touchesBegan(touches: NSSet, withEvent event: UIEvent) { /* Called when a touch begins */ for
touch: AnyObject in
touches { let
location = touch.locationInNode(self) bird.physicsBody.velocity = CGVectorMake(0, 0) bird.physicsBody.applyImpulse(CGVectorMake(0, 30)) } } func clamp(min: CGFloat, max: CGFloat, value: CGFloat) -> CGFloat { if( value > max ) { return
max; } else
if( value < min ) { return
min; } else
{ return
value; } } override
func update(currentTime: CFTimeInterval) { /* Called before each frame is rendered */ bird.zRotation = self.clamp( -1, max: 0.5, value: bird.physicsBody.velocity.dy * ( bird.physicsBody.velocity.dy < 0 ? 0.003 : 0.001 ) ); }} |
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import UIKitimport SpriteKitextension SKNode { class
func unarchiveFromFile(file : NSString) -> SKNode? { let
path = NSBundle.mainBundle().pathForResource(file, ofType: "sks") var
sceneData = NSData.dataWithContentsOfFile(path, options: .DataReadingMappedIfSafe, error: nil) var
archiver = NSKeyedUnarchiver(forReadingWithData: sceneData) archiver.setClass(self.classForKeyedUnarchiver(), forClassName: "SKScene") let
scene = archiver.decodeObjectForKey(NSKeyedArchiveRootObjectKey) as
GameScene archiver.finishDecoding() return
scene }}class
GameViewController: UIViewController { override
func viewDidLoad() { super.viewDidLoad() if
let scene = GameScene.unarchiveFromFile("GameScene") as? GameScene { // Configure the view. let
skView = self.view as
SKView skView.showsFPS = true skView.showsNodeCount = true /* Sprite Kit applies additional optimizations to improve rendering performance */ skView.ignoresSiblingOrder = true /* Set the scale mode to scale to fit the window */ scene.scaleMode = .AspectFill skView.presentScene(scene) } } override
func shouldAutorotate() -> Bool { return
true } override
func supportedInterfaceOrientations() -> Int { if
UIDevice.currentDevice().userInterfaceIdiom == .Phone { return
Int(UIInterfaceOrientationMask.AllButUpsideDown.toRaw()) } else
{ return
Int(UIInterfaceOrientationMask.All.toRaw()) } } override
func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Release any cached data, images, etc that aren‘t in use. } } |
运行结果 ：
swift交流技术群：107800925,共同学习，一起进步，好多牛人，有黑苹果装机高手！（意思就是说未必需要mac本）
FlapyBirds源码Swift版本，代码公布！,布布扣,bubuko.com
原文地址：http://www.cnblogs.com/nil-lu/p/3770042.html
