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42 lines
1.2 KiB
JavaScript
42 lines
1.2 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/Fisheye")
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class Fisheye extends PostEffectsBase {
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public var strengthX : float = 0.05f;
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public var strengthY : float = 0.05f;
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public var fishEyeShader : Shader = null;
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private var fisheyeMaterial : Material = null;
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function OnDisable()
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{
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if (fisheyeMaterial)
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DestroyImmediate(fisheyeMaterial);
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}
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function CheckResources () : boolean {
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CheckSupport (false);
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fisheyeMaterial = CheckShaderAndCreateMaterial(fishEyeShader,fisheyeMaterial);
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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 oneOverBaseSize : float = 80.0f / 512.0f; // to keep values more like in the old version of fisheye
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var ar : float = (source.width * 1.0f) / (source.height * 1.0f);
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fisheyeMaterial.SetVector ("intensity", Vector4 (strengthX * ar * oneOverBaseSize, strengthY * oneOverBaseSize, strengthX * ar * oneOverBaseSize, strengthY * oneOverBaseSize));
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Graphics.Blit (source, destination, fisheyeMaterial);
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}
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} |