58 lines
1.8 KiB
TypeScript
58 lines
1.8 KiB
TypeScript
import { _decorator, Component, BoxCollider2D, Contact2DType, IPhysics2DContact, Node, Color, find, director } from 'cc';
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import { Fruit } from './Fruit';
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import { GameManager } from './GameManager';
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const { ccclass, property } = _decorator;
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@ccclass('TopSensor')
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export class TopSensor extends Component {
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game!: GameManager;
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@property
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holdSeconds = 2.0; // 触顶持续秒数
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private touching = new Map<Node, number>(); // node -> enterTime
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onLoad(){
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const canvas = director.getScene().getChildByName("Canvas");
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// 2. 获取 Game 节点
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const gameNode = canvas.getChildByName("Game");
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// 3. 获取 GameManager 脚本
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this.game = gameNode.getComponent(GameManager);
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}
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onEnable() {
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const col = this.getComponent(BoxCollider2D)!;
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col.sensor = true;
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col.on(Contact2DType.BEGIN_CONTACT, this.onBegin, this);
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col.on(Contact2DType.END_CONTACT, this.onEnd, this);
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}
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onDisable() {
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const col = this.getComponent(BoxCollider2D)!;
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col.off(Contact2DType.BEGIN_CONTACT, this.onBegin, this);
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col.off(Contact2DType.END_CONTACT, this.onEnd, this);
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}
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private onBegin(_self: BoxCollider2D, other: any, _c: IPhysics2DContact | null) {
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const f = (other.node as Node).getComponent(Fruit);
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if (f) this.touching.set(other.node, performance.now() / 1000);
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}
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private onEnd(_self: BoxCollider2D, other: any) {
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this.touching.delete(other.node);
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}
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update() {
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if (!this.game || this.game.isGameOver) return;
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const now = performance.now() / 1000;
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for (const [node, t] of this.touching) {
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if (now - t >= this.holdSeconds) {
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this.game.gameOver();
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break;
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}
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}
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// 可选：把状态交给 GameManager 显示红线闪烁
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// this.game.setDanger(this.touching.size > 0);
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}
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} |