modified maps

modified maps

Assets/NatureStarterKit2/Standard Assets/Effects/ImageEffects/Scripts/ScreenOverlay.cs

@@ -0,0 +1,69 @@
+using System;
+using UnityEngine;
+
+namespace UnityStandardAssets.ImageEffects
+{
+    [ExecuteInEditMode]
+    [RequireComponent (typeof(Camera))]
+    [AddComponentMenu ("Image Effects/Other/Screen Overlay")]
+    public class ScreenOverlay : PostEffectsBase
+	{
+	    public enum OverlayBlendMode
+		{
+            Additive = 0,
+            ScreenBlend = 1,
+            Multiply = 2,
+            Overlay = 3,
+            AlphaBlend = 4,
+        }
+
+        public OverlayBlendMode blendMode = OverlayBlendMode.Overlay;
+        public float intensity = 1.0f;
+        public Texture2D texture = null;
+
+        public Shader overlayShader = null;
+        private Material overlayMaterial = null;
+
+
+        public override bool CheckResources ()
+		{
+            CheckSupport (false);
+
+            overlayMaterial = CheckShaderAndCreateMaterial (overlayShader, overlayMaterial);
+
+            if	(!isSupported)
+                ReportAutoDisable ();
+            return isSupported;
+        }
+
+        void OnRenderImage (RenderTexture source, RenderTexture destination)
+		{
+            if (CheckResources() == false)
+			{
+                Graphics.Blit (source, destination);
+                return;
+            }
+
+            Vector4 UV_Transform = new  Vector4(1, 0, 0, 1);
+
+			#if UNITY_WP8
+	    	// WP8 has no OS support for rotating screen with device orientation,
+	    	// so we do those transformations ourselves.
+			if (Screen.orientation == ScreenOrientation.LandscapeLeft) {
+				UV_Transform = new Vector4(0, -1, 1, 0);
+			}
+			if (Screen.orientation == ScreenOrientation.LandscapeRight) {
+				UV_Transform = new Vector4(0, 1, -1, 0);
+			}
+			if (Screen.orientation == ScreenOrientation.PortraitUpsideDown) {
+				UV_Transform = new Vector4(-1, 0, 0, -1);
+			}
+			#endif
+
+            overlayMaterial.SetVector("_UV_Transform", UV_Transform);
+            overlayMaterial.SetFloat ("_Intensity", intensity);
+            overlayMaterial.SetTexture ("_Overlay", texture);
+            Graphics.Blit (source, destination, overlayMaterial, (int) blendMode);
+        }
+    }
+}