45 lines
1.1 KiB
C#
45 lines
1.1 KiB
C#
using UnityEngine;
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namespace UnityStandardAssets.ImageEffects
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{
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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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public class Fisheye : PostEffectsBase
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{
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[Range(0f, 1.5f)]
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public float strengthX = 0.05f;
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[Range(0f, 1.5f)]
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public float strengthY = 0.05f;
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public Shader fishEyeShader;
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private Material fisheyeMaterial;
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public override bool CheckResources()
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{
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CheckSupport(false);
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fisheyeMaterial = CheckShaderAndCreateMaterial(fishEyeShader, fisheyeMaterial);
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if (!isSupported)
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{
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ReportAutoDisable();
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}
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return isSupported;
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}
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private void OnRenderImage(RenderTexture source, RenderTexture destination)
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{
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if (!CheckResources())
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{
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Graphics.Blit(source, destination);
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return;
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}
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float num = 5f / 32f;
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float num2 = (float)source.width * 1f / ((float)source.height * 1f);
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fisheyeMaterial.SetVector("intensity", new Vector4(strengthX * num2 * num, strengthY * num, strengthX * num2 * num, strengthY * num));
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Graphics.Blit(source, destination, fisheyeMaterial);
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}
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}
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}
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