0

我在我的 iphone 模拟器上启动并运行了一个粒子系统,但是有一个问题。我正在创建一个纸牌游戏,并希望在纸牌下有粒子效果,目前粒子正在重叠并越过显示的纸牌,看起来不太好。我如何达到预期的效果?

这是我在初始化部分的代码

- (id)init {
    if((self = [super init])) {         
        CGSize winSize = [CCDirector sharedDirector].winSize;

        **[self configureEmitter];**    

        [CCTexture2D setDefaultAlphaPixelFormat:kCCTexture2DPixelFormat_RGB565];
        background = [CCSprite spriteWithFile:@"myBackground.png"];
        background.anchorPoint = ccp(0,0);
        [self addChild:background];
        [CCTexture2D setDefaultAlphaPixelFormat:kCCTexture2DPixelFormat_Default];    
    }
    [[CCTouchDispatcher sharedDispatcher] addTargetedDelegate:self priority:0 swallowsTouches:YES];
    return self;
}

- (void)configureEmitter {
    self.emitter = [[CCParticleSystemQuad alloc] initWithTotalParticles:100];
    self.emitter.texture = [[CCTextureCache sharedTextureCache] addImage: @"particlespng"];
    [self.emitter setEmitterMode:kCCParticleModeGravity];   
    emitter.duration = -1;
    emitter.gravity = ccp(-200, -80);
}
4

0 回答 0