modified maps

modified maps

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

@@ -0,0 +1,76 @@
+using System;
+using UnityEngine;
+
+// This class implements simple ghosting type Motion Blur.
+// If Extra Blur is selected, the scene will allways be a little blurred,
+// as it is scaled to a smaller resolution.
+// The effect works by accumulating the previous frames in an accumulation
+// texture.
+namespace UnityStandardAssets.ImageEffects
+{
+    [ExecuteInEditMode]
+    [AddComponentMenu("Image Effects/Blur/Motion Blur (Color Accumulation)")]
+    [RequireComponent(typeof(Camera))]
+    public class MotionBlur : ImageEffectBase
+    {
+        [Range(0.0f, 0.92f)]
+        public float blurAmount = 0.8f;
+        public bool extraBlur = false;
+
+        private RenderTexture accumTexture;
+
+        override protected void Start()
+        {
+            if (!SystemInfo.supportsRenderTextures)
+            {
+                enabled = false;
+                return;
+            }
+            base.Start();
+        }
+
+        override protected void OnDisable()
+        {
+            base.OnDisable();
+            DestroyImmediate(accumTexture);
+        }
+
+        // Called by camera to apply image effect
+        void OnRenderImage (RenderTexture source, RenderTexture destination)
+        {
+            // Create the accumulation texture
+            if (accumTexture == null || accumTexture.width != source.width || accumTexture.height != source.height)
+            {
+                DestroyImmediate(accumTexture);
+                accumTexture = new RenderTexture(source.width, source.height, 0);
+                accumTexture.hideFlags = HideFlags.HideAndDontSave;
+                Graphics.Blit( source, accumTexture );
+            }
+
+            // If Extra Blur is selected, downscale the texture to 4x4 smaller resolution.
+            if (extraBlur)
+            {
+                RenderTexture blurbuffer = RenderTexture.GetTemporary(source.width/4, source.height/4, 0);
+                accumTexture.MarkRestoreExpected();
+                Graphics.Blit(accumTexture, blurbuffer);
+                Graphics.Blit(blurbuffer,accumTexture);
+                RenderTexture.ReleaseTemporary(blurbuffer);
+            }
+
+            // Clamp the motion blur variable, so it can never leave permanent trails in the image
+            blurAmount = Mathf.Clamp( blurAmount, 0.0f, 0.92f );
+
+            // Setup the texture and floating point values in the shader
+            material.SetTexture("_MainTex", accumTexture);
+            material.SetFloat("_AccumOrig", 1.0F-blurAmount);
+
+            // We are accumulating motion over frames without clear/discard
+            // by design, so silence any performance warnings from Unity
+            accumTexture.MarkRestoreExpected();
+
+            // Render the image using the motion blur shader
+            Graphics.Blit (source, accumTexture, material);
+            Graphics.Blit (accumTexture, destination);
+        }
+    }
+}