调整Bloom

Assets/Scripts/Game/GameElements/Essential/GameCamera.cs

@@ -57,16 +57,23 @@ namespace Ichni.RhythmGame
             gameCamera.orthographicSize = orthographicSize;
             gameCamera.cameraTransform = gameCamera.transform;
 
-            float ratioDifference = UIManager.GetScreenRatio() - UIManager.StandardRatio;
-            if (ratioDifference > 0)
+            float currentAspect = UIManager.GetScreenRatio();
+            float targetAspect = UIManager.StandardRatio;
+            
+            if (currentAspect < targetAspect)
             {
-                //gameCamera.perspectiveOffset = 12.5f * ratioDifference;
+                // 屏幕比较方 (如 4:3 平板)，需要增加垂直 FOV 以保持 16:9 标准下的水平绝对视野
+                float hFovRad = 2.0f * Mathf.Atan(Mathf.Tan(perspectiveAngle * Mathf.Deg2Rad / 2.0f) * targetAspect);
+                float newVFovRad = 2.0f * Mathf.Atan(Mathf.Tan(hFovRad / 2.0f) / currentAspect);
+                
+                // 设置 perspectiveOffset 以完美补足被裁切的空间
+                gameCamera.perspectiveOffset = (newVFovRad * Mathf.Rad2Deg) - perspectiveAngle;
             }
             else
             {
-                gameCamera.perspectiveOffset = -25f * ratioDifference;
+                // 屏幕比较长 (如 20:9 手机)，维持原有垂直 FOV，左右延展屏幕用于渲染环境背景
+                gameCamera.perspectiveOffset = 0f;
             }
-            
             gameCamera.RefreshFOV();
             return gameCamera;
         }