冯乐乐的《Unity Shader入门精要》附带项目,其中部分shader已经修改测试
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3 years ago
using UnityEngine;
using System.Collections;
public class EdgeDetectNormalsAndDepth : PostEffectsBase {
public Shader edgeDetectShader;
private Material edgeDetectMaterial = null;
public Material material {
get {
edgeDetectMaterial = CheckShaderAndCreateMaterial(edgeDetectShader, edgeDetectMaterial);
return edgeDetectMaterial;
}
}
[Range(0.0f, 1.0f)]
public float edgesOnly = 0.0f;
public Color edgeColor = Color.black;
public Color backgroundColor = Color.white;
public float sampleDistance = 1.0f;
public float sensitivityDepth = 1.0f;
public float sensitivityNormals = 1.0f;
void OnEnable() {
GetComponent<Camera>().depthTextureMode |= DepthTextureMode.DepthNormals;
}
[ImageEffectOpaque]
void OnRenderImage (RenderTexture src, RenderTexture dest) {
if (material != null) {
material.SetFloat("_EdgeOnly", edgesOnly);
material.SetColor("_EdgeColor", edgeColor);
material.SetColor("_BackgroundColor", backgroundColor);
material.SetFloat("_SampleDistance", sampleDistance);
material.SetVector("_Sensitivity", new Vector4(sensitivityNormals, sensitivityDepth, 0.0f, 0.0f));
Graphics.Blit(src, dest, material);
} else {
Graphics.Blit(src, dest);
}
}
}