first commit

assets/scripts/GameManager copy.ts

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+import { _decorator, Component, Prefab,Node, instantiate, RigidBody2D, input, Input, EventTouch, UITransform, v3, Collider2D, Contact2DType } from "cc";
+import { Board } from "./Board";
+import { FruitNode } from "./FruitNode";
+const { ccclass, property } = _decorator;
+
+@ccclass("GameManager")
+export class GameManager extends Component {
+    @property(Node) 
+    fruitStart: Node = null;
+
+    @property(Node) 
+    fruitParent: Node = null;
+
+    @property(Prefab) 
+    fruitPrefabs: Prefab[] = [];
+
+    private _curFruit: Node = null;
+
+    start() {
+        this.createFruit()
+
+        input.on(Input.EventType.TOUCH_START, this.handelTouchStart, this)
+        input.on(Input.EventType.TOUCH_MOVE, this.handelTouchMove, this)
+        input.on(Input.EventType.TOUCH_END, this.handelTouchEnd, this)
+    }
+
+    handelTouchStart(event: EventTouch) {
+        
+    }
+
+    handelTouchMove(event) {
+        const curPos = event.getUILocation();
+        const parentPos = this.fruitParent.getComponent(UITransform).convertToNodeSpaceAR(v3(curPos.x, curPos.y, 0));
+        // 当前水果坐标
+        const fruitPos = this._curFruit.getPosition();
+        fruitPos.x = parentPos.x
+        this._curFruit.setPosition(fruitPos); 
+    }
+
+    handelTouchEnd(event) {
+        if (!this._curFruit) return;
+
+        this._curFruit.getComponent(RigidBody2D).enabled = true;
+
+        this._curFruit = null;
+
+        this.scheduleOnce(this.createFruit, 2)
+    }
+
+    private createFruit() {
+        const fruitId = Math.floor(Math.random() * 3);
+        const fruitNode = instantiate(this.fruitPrefabs[fruitId]);
+        fruitNode.setPosition(this.fruitStart.position);
+        fruitNode.getComponent(RigidBody2D).enabled = false;
+
+        fruitNode.getComponent(FruitNode).fruitId = fruitId
+        // 监听水果碰撞事件
+        const collider = fruitNode.getComponent(Collider2D);
+        collider.on(Contact2DType.BEGIN_CONTACT, this.handelBeginContact, this)
+
+        fruitNode.getComponent(RigidBody2D).gravityScale = 3; // 重力
+        this.fruitParent.addChild(fruitNode);
+
+        this._curFruit = fruitNode;
+    }
+
+    handelBeginContact(selfContact: Collider2D, otherContact: Collider2D) {
+       if(otherContact.group !== Math.pow(2, 1)) return;
+
+       console.log(111)
+
+    }
+}