修复场景切换未在临界点切换问题

demo/src/game/MainScene.ts

@@ -8,31 +8,29 @@ class MainScene extends Scene {
         this.breadthfirstTest();
     }
 
-    public onStart() {
-        this.content.load("http://www.hyuan.org/123.jpeg", false).then((data) => {
-            console.log(data);
-            let bgSprite = new Sprite(data);
-            let bg = this.createEntity("bg");
-            bg.position = new Vector2(0, 0);
-            bg.addComponent(new SpriteRenderer()).setSprite(bgSprite);
+    public async onStart() {
+        let data = await this.content.loadRes("http://www.hyuan.org/123.jpeg", false);
+        let bgSprite = new Sprite(data);
+        let bg = this.createEntity("bg");
+        bg.position = new Vector2(0, 0);
+        bg.addComponent(new SpriteRenderer()).setSprite(bgSprite);
 
-            for (let i = 0; i < 20; i++) {
-                let sprite = new Sprite(RES.getRes("checkbox_select_disabled_png"));
-                let player2 = this.createEntity("player2");
-                player2.addComponent(new SpriteRenderer()).setSprite(sprite);
-                player2.position = new Vector2(Math.random() * 100 * i, Math.random() * 100 * i);
-                player2.addComponent(new BoxCollider());
-            }
+        for (let i = 0; i < 20; i++) {
+            let sprite = new Sprite(RES.getRes("checkbox_select_disabled_png"));
+            let player2 = this.createEntity("player2");
+            player2.addComponent(new SpriteRenderer()).setSprite(sprite);
+            player2.position = new Vector2(Math.random() * 100 * i, Math.random() * 100 * i);
+            player2.addComponent(new BoxCollider());
+        }
 
-            let button = new eui.Button();
-            button.label = "切换场景";
-            this.addChild(button);
-            button.addEventListener(egret.TouchEvent.TOUCH_TAP, () => {
-                SceneManager.startSceneTransition(new FadeTransition(() => {
-                    return new MainScene();
-                }));
-            }, this);
-        });
+        let button = new eui.Button();
+        button.label = "切换场景";
+        this.addChild(button);
+        button.addEventListener(egret.TouchEvent.TOUCH_TAP, () => {
+            SceneManager.startSceneTransition(new FadeTransition(() => {
+                return new MainScene();
+            }));
+        }, this);
     }
 
     public breadthfirstTest() {