79 lines
2.5 KiB
TypeScript
79 lines
2.5 KiB
TypeScript
import { Vec3 } from "cc";
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import { ecs } from "db://oops-framework/libs/ecs/ECS";
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import { HeroViewComp } from "../hero/HeroViewComp";
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// 投射物组件
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@ecs.register('Projectile')
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export class ProjectileComp extends ecs.Comp {
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speed: number = 500; // 飞行速度
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direction: Vec3 = Vec3.RIGHT;// 飞行方向
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maxDistance: number = 1000; // 最大射程
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traveled: number = 0; // 已飞行距离
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penetrate: number = 3; // 穿透次数
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targets = new Set<ecs.Entity>(); // 已命中目标
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reset() {
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this.speed = 500;
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this.direction.set(Vec3.RIGHT);
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this.maxDistance = 1000;
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this.traveled = 0;
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this.penetrate = 3;
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this.targets.clear();
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}
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}
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// 投射物系统
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@ecs.register('ProjectileSystem')
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export class ProjectileSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate {
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filter(): ecs.IMatcher {
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return ecs.allOf(ProjectileComp, HeroViewComp);
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}
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update(e: ecs.Entity): void {
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const proj = e.get(ProjectileComp);
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const view = e.get(HeroViewComp);
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// 移动计算
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const delta = proj.direction.multiplyScalar(proj.speed * this.dt);
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view.node.position = view.node.position.add(delta);
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proj.traveled += delta.length();
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// 碰撞检测（使用ECS组件检测）
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this.checkCollision(e);
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// 超出射程销毁
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if (proj.traveled >= proj.maxDistance) {
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e.destroy();
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}
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}
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private checkCollision(e: ecs.Entity) {
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const proj = e.get(ProjectileComp);
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const view = e.get(HeroViewComp);
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// 获取范围内所有敌人
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// const enemies = ecs.getEntities(HeroViewComp).filter(entity => {
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// const enemyView = entity.get(HeroViewComp);
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// return enemyView.boxGroup !== view.boxGroup &&
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// Vec3.distance(view.node.position, enemyView.node.position) <= 50; // 碰撞半径
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// });
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// enemies.forEach(enemy => {
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// if (!proj.targets.has(enemy)) {
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// this.applyDamage(e, enemy);
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// proj.targets.add(enemy);
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// proj.penetrate--;
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// }
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// });
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if (proj.penetrate <= 0) {
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e.destroy();
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}
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}
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private applyDamage(projectile: ecs.Entity, target: ecs.Entity) {
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const projView = projectile.get(HeroViewComp);
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const targetView = target.get(HeroViewComp);
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// targetView.takeDamage(projView.attack);
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}
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}
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