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51 lines
1.2 KiB
JavaScript
51 lines
1.2 KiB
JavaScript
1 month 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/Screen Overlay")
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class ScreenOverlay extends PostEffectsBase {
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enum OverlayBlendMode {
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AddSub = 0,
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ScreenBlend = 1,
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Multiply = 2,
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Overlay = 3,
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AlphaBlend = 4,
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}
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public var blendMode : OverlayBlendMode = OverlayBlendMode.Overlay;
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public var intensity : float = 1.0f;
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public var texture : Texture2D;
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public var overlayShader : Shader;
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private var overlayMaterial : Material = null;
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function OnDisable()
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{
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if (overlayMaterial)
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DestroyImmediate(overlayMaterial);
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}
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function CheckResources () : boolean {
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CheckSupport (false);
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overlayMaterial = CheckShaderAndCreateMaterial (overlayShader, overlayMaterial);
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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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overlayMaterial.SetFloat ("_Intensity", intensity);
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overlayMaterial.SetTexture ("_Overlay", texture);
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Graphics.Blit (source, destination, overlayMaterial, blendMode);
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}
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}
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