CocosGameFrameWork/assets/Script/Game/MyApp/GameScene/MyRole.ts

import { _decorator, Node, PhysicsGroup, Vec3 } from 'cc';
import { Role, RoleState } from '../Role';
import { RoleData } from '../../../DataItem/ItemData';
import { LifeBar } from './LifeBar';
import { Enemy } from './Enemy';
import { EnemyTower } from './EnemyTower';
const { ccclass, property } = _decorator;

@ccclass('MyRole')
export class MyRole extends Role {
    private _lifeBar: LifeBar = null;

    protected onLoad(): void {
        this._lifeBar = this.node.getComponent(LifeBar);
    }
    init(name: string, pos: Vec3, data: RoleData[]) {
        super.init(name, pos, data, 1)
        this._initLifeBar();
    }
    
    //初始化血条
    private _initLifeBar(){
        this._lifeBar._curHp = this.hp;
        this._lifeBar._totalHp = this.hp;
    }

    update(deltaTime: number) {
        
        super.update(deltaTime);
        //this.stop();
        if(this._lifeBar._curHp <= 0){
            super.playAnimation(RoleState.Die);
        }
    }
    stop(): void {
        if(this.node.getWorldPosition().x >= 1080){
            this.isStop = true;
            super.playAnimation(RoleState.Idle);
            this.moveSpeed = 0;
        }
    }

    //必须实现抽象方法
    protected _getCollisionGroup(): number {
        return PhysicsGroup.Role; //实际分组值根据项目设置
    }

    protected _isValidTarget(target: Role): boolean {
        //通过组件类型判断是否为敌人
        return target instanceof Enemy || target instanceof EnemyTower;
    }
}