rapier2d示例

2025-11-30 20:56:51 +08:00
parent e8a07c695e
commit a0220bdbed
41 changed files with 2112 additions and 0 deletions
--- a/tools/flashfin-rapier2d/assets/scripts/SceneMain.ts
+++ b/tools/flashfin-rapier2d/assets/scripts/SceneMain.ts
@@ -0,0 +1,87 @@
+import { _decorator, Color, Component, instantiate, Label, Node, Prefab, Sprite } from 'cc';
+import * as cc from 'cc';
+
+import { logger } from './Clogger';
+const { ccclass, property } = _decorator;
+
+@ccclass('SceneMain')
+export class SceneMain extends Component {
+
+    @property(Node)
+    node_fps:Node|null = null;
+
+    @property(Node)
+    node_counts:Node|null = null;
+
+    @property(Prefab)
+    prefab_item:Prefab|null = null;
+
+    @property(Node)
+    container_balls:Node|null = null;
+
+    @property(cc.Node)
+    node_switchscene:cc.Node|null = null;
+
+    private _timeAccumulator: any;
+    private _countAcc: any;
+
+    private _listBalls: Node[] = [];
+
+    protected onLoad(): void {
+        logger.log('dballs onLoad');
+
+        let p = cc.PhysicsSystem2D.instance;
+        p.positionIterations = 4;
+        p.velocityIterations = 2;
+        
+    }
+    start() {
+        logger.log('dballs start');
+
+        // let n= this.node.getChildByName('ballitem')
+        // let r =  n.getComponent(cc.CircleCollider2D).radius
+        // logger.log('radius:', r);
+
+        this.node_switchscene.on('click', (b:cc.Button) => {
+            cc.director.loadScene('scene_rapier2d');
+        });
+    }
+
+    update(dt: number) {
+        if (!this._timeAccumulator) {
+            this._timeAccumulator = 0;
+        }
+        this._timeAccumulator += dt;
+
+        if (this._timeAccumulator >= 0.1) {
+            this.node_fps.getComponent(Label)!.string = `FPS: ${Math.floor(1 / dt)}`;
+            this._timeAccumulator = 0;
+        }
+
+        if(Math.floor(1 / dt) < 30){
+            return;
+        }
+
+        if (!this._countAcc) {
+            this._countAcc = 0;
+        }        
+        // this._countAcc += 1;
+        //每秒实例化添加5个node_item 到场景中,并且显示当前场景中的node_item数量
+        // if (this._countAcc >= 60/60) {
+            for (let i = 0; i < 4; i++) {
+                let node = instantiate(this.prefab_item);
+                node.getComponent(Sprite).color = new Color(Math.random()*255, Math.random()*255, Math.random()*255);
+                this.container_balls.addChild(node);
+                let x  = (Math.random()*2-1)*cc.view.getVisibleSize().width/2;;
+                node.setPosition(x, 400);
+                this._listBalls.push(node);
+            }
+            this.node_counts.getComponent(Label)!.string = `BALLS: ${this._listBalls.length}`;
+            this._countAcc = 0;
+        // }
+
+
+    }
+}
+
+