添加无尽的视差背景在cocos2d android

我正在工作的CoCos2d与android.I想添加一个无尽的滚动背景到我的屏幕使用CCParallaxNode。
我可以添加背景和移动它，但完成后，该动作的屏幕变黑。
有人可以帮我吗？

我的代码是

CCParallaxNode parallaxNode;
CCSprite spacedust1;
CCSprite spacedust2;
CCSprite planetsunrise;
CCSprite galaxy;
CCSprite spacialanomaly;
CCSprite spacialanomaly2;

parallaxNode = CCParallaxNode.node();

    spacedust1 = CCSprite.sprite("bg_front_spacedust.png");
    spacedust2 = CCSprite.sprite("bg_front_spacedust.png");
    planetsunrise = CCSprite.sprite("bg_planetsunrise.png");
    galaxy = CCSprite.sprite("bg_galaxy.png");
    spacialanomaly = CCSprite.sprite("bg_spacialanomaly.png");
    spacialanomaly2 = CCSprite.sprite("bg_spacialanomaly2.png");
    // 3) Determine relative movement speeds for space dust and background
    // CGPoint cgPoint = CGPoint.ccp(0.1,0.1);

    CGPoint dustSpeed = CGPoint.ccp(10,10);
    CGPoint bgSpeed = CGPoint.ccp(5,5);
    // CGPoint bgSpeed = ccp(0.05,0.05);

    parallaxNode.addChild(spacedust1,dustSpeed.x,dustSpeed.y,winSize.height / 2);
    parallaxNode.addChild(spacedust2,spacedust1.getContentSize().width,winSize.height / 2);
    parallaxNode.addChild(galaxy,-1,bgSpeed.x,bgSpeed.y,10);
    parallaxNode.addChild(planetsunrise,600,5);
    parallaxNode
            .addChild(spacialanomaly,900,20);
    parallaxNode.addChild(spacialanomaly2,1500,30);
    CCIntervalAction go = CCMoveBy.action(4,CGPoint.ccp(winSize.width,0));
    CCIntervalAction goBack = go.reverse();
    CCIntervalAction seq = CCSequence.actions(go,goBack);
    CCRepeatForever action = CCRepeatForever.action(goBack);
    parallaxNode.runAction(action);

@H_502_8@

background1 = CCSprite.sprite("bg2.png"); background2 = CCSprite.sprite("bg2.png"); background1.setPosition(CGPoint.ccp(winSize.width*0.5f,winSize.height*0.5f)); addChild(background1); background2.setPosition(CGPoint.ccp(winSize.width+winSize.width*0.5f,winSize.height*0.5f)); addChild(background2);

public void scroll(float dt) { CGPoint pos1 = background1.getPosition(); CGPoint pos2 = background2.getPosition(); pos1.x -= 5.0f; pos2.x -= 5.0f; if(pos1.x <=-(winSize.width*0.5f) ) { pos1.x = pos2.x + winSize.width; } if(pos2.x <=-(winSize.width*0.5f) ) { pos2.x = pos1.x + winSize.width; } background1.setPosition(pos1); background2.setPosition(pos2); }

添加无尽的视差背景在cocos2d android

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