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38 行
1.1 KiB
38 行
1.1 KiB
using UnityEngine;
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using System.Collections;
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[ExecuteInEditMode]
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[RequireComponent (typeof(Camera))]
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[AddComponentMenu ("Image Effects/Displacement/Fisheye")]
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class Fisheye : PostEffectsBase {
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public float strengthX = 0.05f;
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public float strengthY = 0.05f;
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public Shader fishEyeShader = null;
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private Material fisheyeMaterial = null;
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public override bool CheckResources (){
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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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void OnRenderImage ( RenderTexture source , RenderTexture destination ){
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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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float oneOverBaseSize = 80.0f / 512.0f; // to keep values more like in the old version of fisheye
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float ar = (source.width * 1.0f) / (source.height * 1.0f);
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fisheyeMaterial.SetVector ("intensity", new 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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}
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