初试cocos2d-x坐标系

bool HelloWorld::init()

{

//////////////////////////////

if ( !Layer::init() )

{

return false;

}

Size visibleSize = Director::getInstance()->getVisibleSize();

Vec2 origin = Director::getInstance()->getVisibleOrigin();

/////////////////////////////

//正方形

auto rect=DrawNode::create();

rect->drawRect(Vec2(0,0),Vec2(300,300),Color4F(1.0,0,0,1.0));

//点

auto dot=DrawNode::create();

dot->drawDot(Vec2(0,0),10,Color4F(1.0,1.0,1.0,1.0));

addChild(rect);

rect->addChild(dot);

rect->setPosition(visibleSize/2);

dot->setPosition(Vec2(10,10));//本地空间

rect->setContentSize(Size(300,300));

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

schedule([dot,rect](float f){

rect->setRotation(rect->getRotation()+1);

auto p=dot->convertToWorldSpace(Vec2(0,0));

CCLOG("%f,%f",p.x,p.y);

},"Test");

return true;

}