1

test/src/game/main.js

 import { WidgetBase, Event } from 'spark-wrapper-fyge';
 import metaConfig from '../meta.json';
 import Body from './Body';
-let ground;
 class GameStage extends WidgetBase {
     onLaunched() {
         this.bodys = [];
@@ -11,25 +10,31 @@ class GameStage extends WidgetBase {
             this
         );
         this.addbodys();
-        ground = this.stage.viewRect.height;
+        // this.addGround({x:0,y:500, width:300,height:10});
+        this.addGround({x:0,y:this.stage.viewRect.height, width:300,height:10});
+        // ground = this.stage.viewRect.height;
+    }
+    grounds;
+    addGround(ground){
+        this.grounds = this.grounds||[];
+        this.grounds.push(ground);
     }
-
     addbodys() {
         const ball = new Body({
             display: 'ball',
-            initialVelocityY: 2,
+            initialVelocityY: 0,
             accelerationY: 2,
-            restitution:0.85
+            restitution:0
         });
 
         const block = new Body({
             display: 'box',
-            initialVelocityY: 2,
-            accelerationY: 2,
-            restitution:0.4
+            initialVelocityY: 0,
+            accelerationY: 0,
+            restitution:0
         });
 
-        block.x = 300;
+        // block.x = 300;
 
         this.addChild(block);
         this.bodys.push(block);
@@ -46,12 +51,18 @@ class GameStage extends WidgetBase {
 
     checkCollideGround(body) {
         const y0 = body.y + body.height;
-        if (y0 > ground) {
-            body.y = ground - body.height;
+        //默认从上往下走，碰到第一个就停止
+        for (let i = 0; i < this.grounds.length; i++) {
+            const ground = this.grounds[i];
+            if (y0 > ground.y) {
+                body.y = ground.y - body.height;
                 body.velocityY = -body.velocityY * body.restitution;
-            
+                break;   
             }
         }
+        
+        
+    }
 }
 
 /**