碰撞

import { _decorator, Component, Node, BoxCollider, ICollisionEvent } from 'cc';
import { PlayerMovement } from './PlayerMovement';
const { ccclass, property } = _decorator;

@ccclass('PlayerCollision')
export class PlayerCollision extends Component {
    start() {
        let collider = this.node.getComponent(BoxCollider);
        collider.on('onCollisionEnter', this.onCollisionEnter, this);
    }

    onDestroy(){
        let collider = this.node.getComponent(BoxCollider);
        collider.off('onCollisionEnter', this.onCollisionEnter, this);
    }

    onCollisionEnter(event: ICollisionEvent){
        if(event.otherCollider.node.name == "Obstacle"){
            let movement = this.node.getComponent(PlayerMovement);
            movement.enabled = false;
        }
    }
}