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72 行
1.8 KiB
72 行
1.8 KiB
using UnityEngine;
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using System.Collections;
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[RequireComponent (typeof(Camera))]
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[AddComponentMenu ("Image Effects/Camera/Tilt Shift (Lens Blur)")]
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class TiltShift : PostEffectsBase {
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public enum TiltShiftMode
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{
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TiltShiftMode,
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IrisMode,
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}
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public enum TiltShiftQuality
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{
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Preview,
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Normal,
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High,
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}
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public TiltShiftMode mode = TiltShiftMode.TiltShiftMode;
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public TiltShiftQuality quality = TiltShiftQuality.Normal;
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[Range(0.0f, 15.0f)]
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public float blurArea = 1.0f;
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[Range(0.0f, 25.0f)]
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public float maxBlurSize = 5.0f;
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[Range(0, 1)]
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public int downsample = 0;
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public Shader tiltShiftShader = null;
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private Material tiltShiftMaterial = null;
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public override bool CheckResources (){
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CheckSupport (true);
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tiltShiftMaterial = CheckShaderAndCreateMaterial (tiltShiftShader, tiltShiftMaterial);
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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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tiltShiftMaterial.SetFloat("_BlurSize", maxBlurSize < 0.0f ? 0.0f : maxBlurSize);
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tiltShiftMaterial.SetFloat("_BlurArea", blurArea);
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source.filterMode = FilterMode.Bilinear;
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RenderTexture rt = destination;
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if (downsample > 0f) {
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rt = RenderTexture.GetTemporary (source.width>>downsample, source.height>>downsample, 0, source.format);
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rt.filterMode = FilterMode.Bilinear;
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}
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int basePassNr = (int) quality; basePassNr *= 2;
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Graphics.Blit (source, rt, tiltShiftMaterial, mode == TiltShiftMode.TiltShiftMode ? basePassNr : basePassNr + 1);
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if (downsample > 0f) {
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tiltShiftMaterial.SetTexture ("_Blurred", rt);
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Graphics.Blit (source, destination, tiltShiftMaterial, 6);
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}
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if (rt != destination)
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RenderTexture.ReleaseTemporary (rt);
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}
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}
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