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

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

@ccclass('Enemy')
export class Enemy extends Role {
    private _lifeBar: LifeBar = null;
    private _roles: Node = null;
    protected onLoad(): void {
        this._lifeBar = this.node.getComponent(LifeBar);
        this._roles = this.node.parent.parent.getChildByPath("Road/Roles");
    }
    init(name: string, pos: Vec3, data: RoleData[], dir?: number) {
        super.init(name, pos, data, dir);
        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);
        super.stop();
        
    }

    stop(): void {
        if (this.node.getWorldPosition().x <= 200) {
            this.playAnimation(RoleState.Idle);
            this.moveSpeed = 0;
        }
    }

    //必须实现抽象方法
    protected _getCollisionGroup(): number {
        return PhysicsGroup.Enemy; //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 MyRole;
    }
}