- (void)viewDidLoad
{[super viewDidLoad];SKView *spriteView = (SKView*)self.view;spriteView.showsFPS = YES;spriteView.showsDrawCount = YES;spriteView.showsNodeCount = YES;// Do any additional setup after loading the view, typically from a nib.
}

#import <SpriteKit/SpriteKit.h>@interface HelloScene : SKScene@end

#import "HelloScene.h"

-(void)viewWillAppear:(BOOL)animated
{HelloScene* hello = [[HelloScene alloc] initWithSize:CGSizeMake(self.view.frame.size.width,self.view.frame.size.height)];SKView *spriteView = (SKView*)self.view;[spriteView presentScene:hello];}

@interface HelloScene()
@property BOOL contentCreated;
@end

-(void)didMoveToView:(SKView *)view
{if(!self.contentCreated){[self  createSceneContents];self.contentCreated = YES;}
}-(void)createSceneContents
{NSLog(@"createSceneContents");self.backgroundColor = [SKColor blackColor];self.scaleMode = SKSceneScaleModeAspectFit;[self addChild:[self newHelloNode]];
}

-(SKLabelNode*)newHelloNode
{SKLabelNode *helloNode = [SKLabelNode labelNodeWithFontNamed:@"Chalkduster"];helloNode.name = @"helloNode";//@ 这个和下面的一样helloNode.text = @"hello game ";helloNode.fontSize = 24;helloNode.position = CGPointMake(CGRectGetMidX(self.frame), CGRectGetMidY(self.frame));return helloNode;
}

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{SKNode *helloNode = [self childNodeWithName:@"helloNode"]; //@与上面的相同if(helloNode !=nil){helloNode.name = nil;SKAction *moveUp = [SKAction moveByX:0 y:100.0 duration:0.5]; //向上移动SKAction *zoom = [SKAction scaleTo:2.0 duration:0.25];    //扩大两倍SKAction *pause = [SKAction waitForDuration:0.5];    //暂停SKAction *fadeAway = [SKAction fadeOutWithDuration:0.25];  //消失SKAction *remove = [SKAction removeFromParent];SKAction *moveSequence = [SKAction sequence:@[moveUp, zoom, pause, fadeAway, remove]];[helloNode runAction:moveSequence];}
}

@import "SpaceshipScene.h"@interface SpaceshipScene ()
@property BOOL contentCreated;
@end@implementation SpaceshipScene
- (void)didMoveToView:(SKView *)view
{if (!self.contentCreated){[self createSceneContents];self.contentCreated = YES;}
}- (void)createSceneContents
{self.backgroundColor = [SKColor blackColor];self.scaleMode = SKSceneScaleModeAspectFit;
}
@end

#import <SpriteKit/SpriteKit.h>@interface SpaceshipScene : SKScene@end

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{SKNode *helloNode = [self childNodeWithName:@"helloNode"]; //@与上面的相同if(helloNode !=nil){helloNode.name = nil;SKAction *moveUp = [SKAction moveByX:0 y:100.0 duration:0.5]; //向上移动SKAction *zoom = [SKAction scaleTo:2.0 duration:0.25];    //扩大两倍SKAction *pause = [SKAction waitForDuration:0.5];    //暂停SKAction *fadeAway = [SKAction fadeOutWithDuration:0.25];  //消失SKAction *remove = [SKAction removeFromParent];SKAction *moveSequence = [SKAction sequence:@[moveUp, zoom, pause, fadeAway, remove]];//[helloNode runAction:moveSequence];[helloNode runAction: moveSequence completion:^{SKScene *spaceshipScene  = [[SpaceshipScene alloc] initWithSize:self.size];SKTransition *doors = [SKTransition doorsOpenVerticalWithDuration:0.5];[self.view presentScene:spaceshipScene transition:doors];}];}
}

//
//  SpaceshipScene.m
//  SpriteWalkthrough
//
//  Created by qingyun on 8/13/13.
//  Copyright (c) 2013 qingyun. All rights reserved.
//

#import "SpaceshipScene.h"@interface SpaceshipScene ()
@property BOOL contentCreated;
@end@implementation SpaceshipScene- (void)didMoveToView:(SKView *)view
{if (!self.contentCreated){[self createSceneContents];self.contentCreated = YES;}
}- (void)createSceneContents
{self.backgroundColor = [SKColor blackColor];self.scaleMode = SKSceneScaleModeAspectFit;SKSpriteNode *spaceship = [self newSpaceship];spaceship.position = CGPointMake(CGRectGetMidX(self.frame),CGRectGetMidY(self.frame)-150);[self addChild:spaceship];//@3SKAction *makeRocks = [SKAction sequence: @[[SKAction performSelector:@selector(addRock) onTarget:self],[SKAction waitForDuration:0.10 withRange:0.15]]];[self runAction: [SKAction repeatActionForever:makeRocks]];
}- (SKSpriteNode *)newSpaceship
{SKSpriteNode *hull = [[SKSpriteNode alloc] initWithColor:[SKColor grayColor] size:CGSizeMake(64,32)];SKAction *hover = [SKAction sequence:@[[SKAction waitForDuration:1.0],[SKAction moveByX:100 y:50.0 duration:1.0],[SKAction waitForDuration:1.0],[SKAction moveByX:-100.0 y:-50 duration:1.0]]];[hull runAction: [SKAction repeatActionForever:hover]]; //重复移动hover 里的action //@2SKSpriteNode *light1 = [self newLight];light1.position = CGPointMake(-28.0, 6.0);[hull addChild:light1];SKSpriteNode *light2 = [self newLight];light2.position = CGPointMake(28.0, 6.0);[hull addChild:light2];//@3hull.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:hull.size];hull.physicsBody.dynamic = NO;return hull;
}//@2
- (SKSpriteNode *)newLight
{SKSpriteNode *light = [[SKSpriteNode alloc] initWithColor:[SKColor yellowColor] size:CGSizeMake(8,8)];SKAction *blink = [SKAction sequence:@[[SKAction fadeOutWithDuration:0.25],[SKAction fadeInWithDuration:0.25]]];SKAction *blinkForever = [SKAction repeatActionForever:blink];  //重复闪闪发光。
    [light runAction: blinkForever];return light;
}//@3
static inline CGFloat skRandf() {return rand() / (CGFloat) RAND_MAX;
}
static inline CGFloat skRand(CGFloat low, CGFloat high) {return skRandf() * (high - low) + low;
}- (void)addRock
{SKSpriteNode *rock = [[SKSpriteNode alloc] initWithColor:[SKColor brownColor] size:CGSizeMake(8,8)];rock.position = CGPointMake(skRand(0, self.size.width), self.size.height-50);rock.name = @"rock";rock.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:rock.size];rock.physicsBody.usesPreciseCollisionDetection = YES;[self addChild:rock];
}-(void)didSimulatePhysics
{[self enumerateChildNodesWithName:@"rock" usingBlock:^(SKNode *node, BOOL *stop) {if (node.position.y < 0)[node removeFromParent];}];
}@end