Insanely huge initial commit

Assets/Extensions/Le Tai's Asset/TranslucentImage/Demo/Scripts/WorldSpaceSetup.cs

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+using UnityEngine;
+
+namespace LeTai.Asset.TranslucentImage.Demo
+{
+public class WorldSpaceSetup : MonoBehaviour
+{
+    public Camera sceneCamera;
+    public Camera uiCamera;
+
+    public void Toggle()
+    {
+        //In always on top mode, main camera shouldn't render the UI
+        //Equivalent to toggling the layer "UI" in the inspector
+        sceneCamera.cullingMask ^= 1 << LayerMask.NameToLayer("UI");
+
+        //Instead, another camera that have higher depth should do that.
+        uiCamera.gameObject.SetActive(!uiCamera.gameObject.activeSelf);
+    }
+}
+}