74 lines
2.4 KiB
TypeScript
74 lines
2.4 KiB
TypeScript
import { _decorator, Component, Sprite, SpriteFrame, UITransform, Size, CircleCollider2D, Contact2DType, IPhysics2DContact, RigidBody2D, Vec2, Node } from 'cc';
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import { FRUITS, MAX_LEVEL } from './FruitConfig';
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import { GameManager } from './GameManager';
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const { ccclass, property } = _decorator;
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@ccclass('Fruit')
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export class Fruit extends Component {
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@property
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level = 1; // 1..MAX_LEVEL
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@property(Sprite)
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sprite!: Sprite;
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game!: GameManager;
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collider!: CircleCollider2D;
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body!: RigidBody2D;
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// 防止同一对重复合成
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merging = false;
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removed = false;
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init(level: number, spriteFrame: SpriteFrame, game: GameManager) {
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this.level = level;
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this.game = game;
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if (!this.sprite) this.sprite = this.getComponent(Sprite)!;
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this.sprite.spriteFrame = spriteFrame;
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const def = FRUITS[this.level - 1];
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const ui = this.getComponent(UITransform)!;
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ui.setContentSize(new Size(def.radius * 2, def.radius * 2));
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this.collider = this.getComponent(CircleCollider2D)!;
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this.collider.radius = def.radius;
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this.body = this.getComponent(RigidBody2D)!;
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this.body.enabled = true;
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this.merging = false;
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this.removed = false;
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}
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onEnable() {
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const col = this.getComponent(CircleCollider2D);
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if (col) col.on(Contact2DType.BEGIN_CONTACT, this.onBeginContact, this);
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}
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onDisable() {
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const col = this.getComponent(CircleCollider2D);
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if (col) col.off(Contact2DType.BEGIN_CONTACT, this.onBeginContact, this);
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}
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private onBeginContact(selfCol: CircleCollider2D, otherCol: CircleCollider2D, _contact: IPhysics2DContact | null) {
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if (this.removed || this.merging) return;
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const otherNode = otherCol.node as Node;
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const otherFruit = otherNode.getComponent(Fruit);
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if (!otherFruit || otherFruit.removed || otherFruit.merging) return;
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// 仅同级可合成，且不能超过最大级
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if (otherFruit.level !== this.level || this.level >= MAX_LEVEL) return;
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// 为避免两者都合成，使用 uuid 决定触发者（只让“较小”的触发）
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if (this.node.uuid > otherNode.uuid) return;
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this.merging = true;
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otherFruit.merging = true;
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// 合成到下一级
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const nextLevel = this.level + 1;
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const wpA = this.node.worldPosition;
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const wpB = otherNode.worldPosition;
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const mid = wpA.clone().add(wpB).multiplyScalar(0.5);
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this.game.spawnMerged(nextLevel, mid, this, otherFruit);
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}
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} |