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76 lines
2.5 KiB
JavaScript
76 lines
2.5 KiB
JavaScript
2 months ago
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#pragma strict
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@script ExecuteInEditMode
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@script RequireComponent (Camera)
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@script AddComponentMenu ("Image Effects/Crease")
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class Crease extends PostEffectsBase {
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public var intensity : float = 0.5;
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public var softness : int = 1;
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public var spread : float = 1.0;
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public var blurShader : Shader;
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private var blurMaterial : Material = null;
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public var depthFetchShader : Shader;
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private var depthFetchMaterial : Material = null;
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public var creaseApplyShader : Shader;
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private var creaseApplyMaterial : Material = null;
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function OnDisable()
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{
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if (blurMaterial)
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DestroyImmediate(blurMaterial);
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if (depthFetchMaterial)
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DestroyImmediate(depthFetchMaterial);
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if (creaseApplyMaterial)
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DestroyImmediate(creaseApplyMaterial);
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}
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function CheckResources () : boolean {
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CheckSupport (true);
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blurMaterial = CheckShaderAndCreateMaterial (blurShader, blurMaterial);
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depthFetchMaterial = CheckShaderAndCreateMaterial (depthFetchShader, depthFetchMaterial);
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creaseApplyMaterial = CheckShaderAndCreateMaterial (creaseApplyShader, creaseApplyMaterial);
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if(!isSupported)
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ReportAutoDisable ();
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return isSupported;
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}
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function OnRenderImage (source : RenderTexture, destination : RenderTexture) {
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if(CheckResources()==false) {
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Graphics.Blit (source, destination);
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return;
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}
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var widthOverHeight : float = (1.0f * source.width) / (1.0f * source.height);
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var oneOverBaseSize : float = 1.0f / 512.0f;
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var hrTex : RenderTexture = RenderTexture.GetTemporary (source.width, source.height, 0);
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var lrTex1 : RenderTexture = RenderTexture.GetTemporary (source.width / 2, source.height / 2, 0);
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var lrTex2 : RenderTexture = RenderTexture.GetTemporary (source.width / 2, source.height / 2, 0);
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Graphics.Blit (source,hrTex, depthFetchMaterial);
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Graphics.Blit (hrTex, lrTex1);
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for(var i : int = 0; i < softness; i++) {
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blurMaterial.SetVector ("offsets", Vector4 (0.0, spread * oneOverBaseSize, 0.0, 0.0));
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Graphics.Blit (lrTex1, lrTex2, blurMaterial);
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blurMaterial.SetVector ("offsets", Vector4 (spread * oneOverBaseSize / widthOverHeight, 0.0, 0.0, 0.0));
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Graphics.Blit (lrTex2, lrTex1, blurMaterial);
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}
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creaseApplyMaterial.SetTexture ("_HrDepthTex", hrTex);
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creaseApplyMaterial.SetTexture ("_LrDepthTex", lrTex1);
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creaseApplyMaterial.SetFloat ("intensity", intensity);
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Graphics.Blit (source,destination, creaseApplyMaterial);
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RenderTexture.ReleaseTemporary (hrTex);
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RenderTexture.ReleaseTemporary (lrTex1);
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RenderTexture.ReleaseTemporary (lrTex2);
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}
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}
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