爆炸的效果(IOS)

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上載者:User

標籤:ios

爆炸的效果(IOS)by 伍雪穎


    CAEmitterLayer *emitter = [CAEmitterLayerlayer];    emitter.frame =self.view.bounds;
    [self.view.layeraddSublayer:emitter];
   
    emitter.renderMode =kCAEmitterLayerAdditive;
    emitter.emitterPosition =CGPointMake(emitter.frame.size.width/2, emitter.frame.size.height/2);
   
    CAEmitterCell *cell = [[CAEmitterCellalloc]init];
    cell.contents = (__bridgeid)[UIImageimageNamed:@"yuandan1"].CGImage;
    cell.birthRate =150;
    cell.lifetime =5;
    cell.alphaSpeed = -0.4;
    cell.velocity =50;
    cell.velocityRange =50;
    cell.emissionRange =M_PI *2.0;
        emitter.emitterCells =@[cell];

爆炸的效果(IOS)

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