cocos 触控拖拽移动

cocos 版本 3.6.2

手指拖拽一个节点，节点跟着手指移动。

import { _decorator, Component, Node, Tween, Vec3, Vec2, Input, log, EventTouch, view } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('Test')
export class Test extends Component {
    @property(Node)
    myTouch: Node

    touchStartPoint: Vec2 = new Vec2(0, 0)
    start() {

        this.myTouch.on(Input.EventType.TOUCH_CANCEL, () => {
            log('TOUCH_CANCEL')
            this.touchStartPoint = new Vec2(0, 0)
        }, this)
        this.myTouch.on(Input.EventType.TOUCH_END, () => {
            log('TOUCH_END')
            this.touchStartPoint = new Vec2(0, 0)
        }, this)
        this.myTouch.on(Input.EventType.TOUCH_MOVE, (event: EventTouch) => {

            let node: Node = event.currentTarget
            let pos = new Vec2()
            let shit = pos.set(event.getUILocation())
            let x = shit.x - view.getVisibleSize().width / 2 - this.touchStartPoint.x
            let y = shit.y - view.getVisibleSize().height / 2 - this.touchStartPoint.y
            node.setPosition(x, y, 0)

        }, this)
        this.myTouch.on(Input.EventType.TOUCH_START, (event: EventTouch) => {

            let node: Node = event.currentTarget
            this.touchStartPoint.set(event.getUILocation())
            let x = this.touchStartPoint.x - view.getVisibleSize().width / 2 - node.getPosition().x
            let y = this.touchStartPoint.y - view.getVisibleSize().height / 2 - node.getPosition().y

            this.touchStartPoint = new Vec2(x, y)

        }, this)
    }

    update(deltaTime: number) {

    }
}