*

2025-05-13 05:19:58 +03:00
parent 853edaf0b4
commit 472b2aee18
1034 changed files with 41844 additions and 0 deletions
@@ -0,0 +1,109 @@
+
+#pragma strict
+
+@script ExecuteInEditMode
+@script RequireComponent (Camera)
+@script AddComponentMenu ("Image Effects/Camera/Vignette and Chromatic Aberration")
+
+class Vignetting /* And Chromatic Aberration */ extends PostEffectsBase {
+
+	public enum AberrationMode {
+		Simple = 0,
+		Advanced = 1,
+	}
+
+	public var mode : AberrationMode = AberrationMode.Simple;
+	
+	public var intensity : float = 0.375f; // intensity == 0 disables pre pass (optimization)
+	public var chromaticAberration : float = 0.2f;
+	public var axialAberration : float = 0.5f;
+
+	public var blur : float = 0.0f; // blur == 0 disables blur pass (optimization)
+	public var blurSpread : float = 0.75f;
+
+	public var luminanceDependency : float = 0.25f;
+
+	public var blurDistance : float = 2.5f;
+		
+	public var vignetteShader : Shader;
+	private var vignetteMaterial : Material;
+	
+	public var separableBlurShader : Shader;
+	private var separableBlurMaterial : Material;	
+	
+	public var chromAberrationShader : Shader;
+	private var chromAberrationMaterial : Material;
+	
+	function CheckResources () : boolean {	
+		CheckSupport (false);	
+	
+		vignetteMaterial = CheckShaderAndCreateMaterial (vignetteShader, vignetteMaterial);
+		separableBlurMaterial = CheckShaderAndCreateMaterial (separableBlurShader, separableBlurMaterial);
+		chromAberrationMaterial = CheckShaderAndCreateMaterial (chromAberrationShader, chromAberrationMaterial);
+		
+		if (!isSupported)
+			ReportAutoDisable ();
+		return isSupported;		
+	}
+	
+	function OnRenderImage (source : RenderTexture, destination : RenderTexture) {	
+		if( CheckResources () == false) {
+			Graphics.Blit (source, destination);
+			return;
+		}
+
+		var rtW : int = source.width;
+		var rtH : int = source.height;
+				
+		var doPrepass : boolean = (Mathf.Abs(blur)>0.0f || Mathf.Abs(intensity)>0.0f);
+
+		var widthOverHeight : float = (1.0f * rtW) / (1.0f * rtH);
+		var oneOverBaseSize : float = 1.0f / 512.0f;				
+		
+		var color : RenderTexture = null;
+		var color2a : RenderTexture = null;
+		var color2b : RenderTexture = null;
+
+		if (doPrepass) {
+			color = RenderTexture.GetTemporary (rtW, rtH, 0, source.format);	
+		
+			// Blur corners
+			if (Mathf.Abs (blur)>0.0f) {
+				color2a = RenderTexture.GetTemporary (rtW / 2, rtH / 2, 0, source.format);		
+
+				Graphics.Blit (source, color2a, chromAberrationMaterial, 0);
+
+				for(var i : int = 0; i < 2; i++) {	// maybe make iteration count tweakable
+					separableBlurMaterial.SetVector ("offsets", Vector4 (0.0f, blurSpread * oneOverBaseSize, 0.0f, 0.0f));	
+					color2b = RenderTexture.GetTemporary (rtW / 2, rtH / 2, 0, source.format);
+					Graphics.Blit (color2a, color2b, separableBlurMaterial);
+					RenderTexture.ReleaseTemporary (color2a);
+
+					separableBlurMaterial.SetVector ("offsets", Vector4 (blurSpread * oneOverBaseSize / widthOverHeight, 0.0f, 0.0f, 0.0f));	
+					color2a = RenderTexture.GetTemporary (rtW / 2, rtH / 2, 0, source.format);
+					Graphics.Blit (color2b, color2a, separableBlurMaterial);	
+					RenderTexture.ReleaseTemporary (color2b);
+				}	
+			}
+
+			vignetteMaterial.SetFloat ("_Intensity", intensity); 		// intensity for vignette
+			vignetteMaterial.SetFloat ("_Blur", blur); 					// blur intensity
+			vignetteMaterial.SetTexture ("_VignetteTex", color2a);	// blurred texture
+
+			Graphics.Blit (source, color, vignetteMaterial, 0); 		// prepass blit: darken & blur corners
+		}		
+
+		chromAberrationMaterial.SetFloat ("_ChromaticAberration", chromaticAberration);
+		chromAberrationMaterial.SetFloat ("_AxialAberration", axialAberration);
+		chromAberrationMaterial.SetVector ("_BlurDistance", Vector2 (-blurDistance, blurDistance));
+		chromAberrationMaterial.SetFloat ("_Luminance", 1.0f/Mathf.Max(Mathf.Epsilon, luminanceDependency));
+
+		if(doPrepass) color.wrapMode = TextureWrapMode.Clamp;
+		else source.wrapMode = TextureWrapMode.Clamp;		
+		Graphics.Blit (doPrepass ? color : source, destination, chromAberrationMaterial, mode == AberrationMode.Advanced ? 2 : 1);	
+		
+		RenderTexture.ReleaseTemporary (color);
+		RenderTexture.ReleaseTemporary (color2a);
+	}
+
+}