//本地坐标转换为世界坐标
let worldPos = this.node.getComponent(UITransform).convertToWorldSpaceAR(this.node.getPosition()):
console.log(worldPos);
//世界坐标转换为本地坐标
let localPos = this.node.getComponent(UITransform).convertToNodeSpaceAR(worldPos)
console.log(localPos):