cocos2dx 基础

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-创建点:

auto dot = DrawNode::create();
    dot->drawDot(Vec2(0,0),10,Color4F(1.0,1.0,0,1.0));

创建矩阵:

auto rect = DrawNode::create();
    rect->drawRect(Vec2(0,Vec2(rectSize.width,rectSize.height),1.0));

创建精灵:

auto img = Sprite::create("004.jpg"); 
    auto imgSize = img->getContentSize();             --获取精灵尺寸

    //加载纹理
    auto imgTex = Director::getInstance()->getTextureCache-> addImage("..\\proj.win32\\res\\007.jpg");

    auto imgSize = imgTex->getContentSize();
    auto sprite = Sprite::createWithTexture(imgTex);

创建向量:

direction = Vec2(random(-1.0,1.0),random(-1.0,1.0));
    direction.normalize();  --单位化

创建图层:

auto layer = Layer::create();

设置锚点:

layer->setAnchorPoint(Vec2(0.5,0.5));

创建并切换场景:

auto scene = Scene::create();
        Director::getInstance()->replaceScene(scene);

设置状态是否可见:

rect->setVisible(false);

缩放:

rect->setscale(0.5);

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