@ecs.registerSystem()
export class HeroMoveSystem extends ecs.System {
    filter(): ecs.IMatcher {
        return ecs.allOf(HeroModelComp, HeroViewComp, MoveToComp);
    }

    update(entities: Hero[]) {
        const deltaTime = oops.timer.delta;
        entities.forEach(hero => {
            // 每个英雄独立计算移动
            const move = hero.get(MoveToComp);
            const view = hero.get(HeroViewComp);
            
            // 计算移动向量（单个英雄逻辑）
            const dir = move.target.subtract(view.node.position).normalize();
            const speed = view.speed * deltaTime;
            
            // 更新位置（独立操作）
            view.node.position = view.node.position.add(dir.multiplyScalar(speed));
        });
    }
}