// 以左下角开始为原点开始计算
const { ccclass, property } = cc._decorator;

@ccclass
export default class MoveScript extends cc.Component {
    canMove: boolean = false
    start() {
        this.node.on(cc.Node.EventType.TOUCH_START, (event: cc.Event.EventTouch) => {
            this.canMove = true
        })
        this.node.on(cc.Node.EventType.TOUCH_MOVE, (event: cc.Event.EventTouch) => {
            if (this.canMove == false) { return }

            if (this.node.x + event.getDelta().x > 0) {
                this.node.x = 0
                return
            }
            if (this.node.x + event.getDelta().x < cc.winSize.width - this.node.width) {
                this.node.x = cc.winSize.width - this.node.width
                return
            }
            this.node.x += event.getDelta().x

            // if (this.node.x > -cc.winSize.width / 2 + this.node.width / 2 * this.node.scale) {
            //     this.node.x = this.node.width / 2 * this.node.scale - cc.winSize.width / 2
            // }

            // if (this.node.x < -this.node.width / 2 * this.node.scale + cc.winSize.width / 2) {
            //     this.node.x = -this.node.width / 2 * this.node.scale + cc.winSize.width / 2
            // }

            // if (this.node.x > this.node.width / 2 * this.node.scale) {
            //     this.node.x = this.node.width / 2 * this.node.scale
            // }
            // if (this.node.x < -this.node.width / 2 * this.node.scale) {
            //     this.node.x = -this.node.width / 2 * this.node.scale
            // }
        })
        this.node.on(cc.Node.EventType.TOUCH_CANCEL, (event: cc.Event.EventTouch) => {
            this.canMove = false
        })
        this.node.on(cc.Node.EventType.TOUCH_END, (event: cc.Event.EventTouch) => {
            this.canMove = false
        })
    }
}