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66 lines
1.7 KiB
JavaScript
66 lines
1.7 KiB
JavaScript
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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/Edge Detection (Geometry)")
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enum EdgeDetectMode {
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Thin = 0,
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Thick = 1,
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}
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class EdgeDetectEffectNormals extends PostEffectsBase {
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public var mode : EdgeDetectMode = EdgeDetectMode.Thin;
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public var sensitivityDepth : float = 1.0;
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public var sensitivityNormals : float = 1.0;
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public var edgesOnly : float = 0.0;
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public var edgesOnlyBgColor : Color = Color.white;
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public var edgeDetectShader : Shader;
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private var edgeDetectMaterial : Material = null;
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function OnDisable()
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{
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if (edgeDetectMaterial)
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DestroyImmediate(edgeDetectMaterial);
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}
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function CheckResources () : boolean {
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CheckSupport (true);
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edgeDetectMaterial = CheckShaderAndCreateMaterial (edgeDetectShader,edgeDetectMaterial);
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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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@ImageEffectOpaque
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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 sensitivity : Vector2 = Vector2 (sensitivityDepth, sensitivityNormals);
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source.filterMode = FilterMode.Point;
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edgeDetectMaterial.SetVector ("sensitivity", Vector4 (sensitivity.x, sensitivity.y, 1.0, sensitivity.y));
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edgeDetectMaterial.SetFloat ("_BgFade", edgesOnly);
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var vecCol : Vector4 = edgesOnlyBgColor;
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edgeDetectMaterial.SetVector ("_BgColor", vecCol);
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if (mode == EdgeDetectMode.Thin) {
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Graphics.Blit (source, destination, edgeDetectMaterial, 0);
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}
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else {
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Graphics.Blit (source, destination, edgeDetectMaterial, 1);
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}
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}
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}
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