修复场景切换未在临界点切换问题

source/src/Graphics/Transitions/FadeTransition.ts

@@ -19,8 +19,8 @@ class FadeTransition extends SceneTransition {
         SceneManager.stage.addChild(this._mask);
 
         egret.Tween.get(this).to({ _alpha: 1}, this.fadeOutDuration * 1000, this.fadeEaseType)
-            .call(() => {
-                this.loadNextScene();
+            .call(async () => {
+                await this.loadNextScene();
             }).wait(this.delayBeforeFadeInDuration).call(() => {
                 egret.Tween.get(this).to({ _alpha: 0 }, this.fadeOutDuration * 1000, this.fadeEaseType).call(() => {
                     this.transitionComplete();

source/src/Graphics/Transitions/SceneTransition.ts

@@ -50,7 +50,7 @@ abstract class SceneTransition {
         }
     }
 
-    protected loadNextScene() {
+    protected async loadNextScene() {
         if (this.onScreenObscured)
             this.onScreenObscured();
 
@@ -58,7 +58,7 @@ abstract class SceneTransition {
             this.isNewSceneLoaded = true;
         }
 
-        SceneManager.scene = this.sceneLoadAction();
+        SceneManager.scene = await this.sceneLoadAction();
         this.isNewSceneLoaded = true;
     }