New Version 1.6

New 125 balls & powerups.
Improved graphics.

Gutterball 3/Assets/Standard Assets/Image Effects (Pro Only)/BlurEffect.cs

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+using UnityEngine;
+using System.Collections;
+
+[ExecuteInEditMode]
+[AddComponentMenu("Image Effects/Blur")]
+public class BlurEffect : MonoBehaviour
+{	
+	/// Blur iterations - larger number means more blur.
+	public int iterations = 3;
+	
+	/// Blur spread for each iteration. Lower values
+	/// give better looking blur, but require more iterations to
+	/// get large blurs. Value is usually between 0.5 and 1.0.
+	public float blurSpread = 0.6f;
+	
+	
+	// --------------------------------------------------------
+	// The blur iteration shader.
+	// Basically it just takes 4 texture samples and averages them.
+	// By applying it repeatedly and spreading out sample locations
+	// we get a Gaussian blur approximation.
+	 
+	public Shader blurShader = null;	
+
+	//private static string blurMatString =
+
+	static Material m_Material = null;
+	protected Material material {
+		get {
+			if (m_Material == null) {
+				m_Material = new Material(blurShader);
+				m_Material.hideFlags = HideFlags.DontSave;
+			}
+			return m_Material;
+		} 
+	}
+	
+	protected void OnDisable() {
+		if( m_Material ) {
+			DestroyImmediate( m_Material );
+		}
+	}	
+	
+	// --------------------------------------------------------
+	
+	protected void Start()
+	{
+		// Disable if we don't support image effects
+		if (!SystemInfo.supportsImageEffects) {
+			enabled = false;
+			return;
+		}
+		// Disable if the shader can't run on the users graphics card
+		if (!blurShader || !material.shader.isSupported) {
+			enabled = false;
+			return;
+		}
+	}
+	
+	// Performs one blur iteration.
+	public void FourTapCone (RenderTexture source, RenderTexture dest, int iteration)
+	{
+		float off = 0.5f + iteration*blurSpread;
+		Graphics.BlitMultiTap (source, dest, material,
+			new Vector2(-off, -off),
+			new Vector2(-off,  off),
+			new Vector2( off,  off),
+			new Vector2( off, -off)
+		);
+	}
+	
+	// Downsamples the texture to a quarter resolution.
+	private void DownSample4x (RenderTexture source, RenderTexture dest)
+	{
+		float off = 1.0f;
+		Graphics.BlitMultiTap (source, dest, material,
+			new Vector2(-off, -off),
+			new Vector2(-off,  off),
+			new Vector2( off,  off),
+			new Vector2( off, -off)
+		);
+	}
+	
+	// Called by the camera to apply the image effect
+	void OnRenderImage (RenderTexture source, RenderTexture destination) {		
+		RenderTexture buffer = RenderTexture.GetTemporary(source.width/4, source.height/4, 0);
+		RenderTexture buffer2 = RenderTexture.GetTemporary(source.width/4, source.height/4, 0);
+		
+		// Copy source to the 4x4 smaller texture.
+		DownSample4x (source, buffer);
+		
+		// Blur the small texture
+		bool oddEven = true;
+		for(int i = 0; i < iterations; i++)
+		{
+			if( oddEven )
+				FourTapCone (buffer, buffer2, i);
+			else
+				FourTapCone (buffer2, buffer, i);
+			oddEven = !oddEven;
+		}
+		if( oddEven )
+			Graphics.Blit(buffer, destination);
+		else
+			Graphics.Blit(buffer2, destination);
+		
+		RenderTexture.ReleaseTemporary(buffer);
+		RenderTexture.ReleaseTemporary(buffer2);
+	}	
+}