卡通渲染效果shard-2

Shader "Hidden/RenderNormalsAndDepth" {
SubShader {
 Tags { "RenderType"="Opaque" }
 Pass {
  Fog { Mode Off }

CGPROGRAM
#pragma vertex vert
#include "UnityCG.cginc"
struct v2f {
 float4 pos : POSITION;
 float4 color : COLOR;
};
v2f vert( appdata_base v ) {
 v2f o;
 o.pos = mul(glstate.matrix.mvp, v.vertex);
 float3 viewNormal = mul((float3x3)glstate.matrix.invtrans.modelview[0], v.normal);
 o.color.rgb = viewNormal * 0.5 + 0.5;
 float z = mul((float3x4)glstate.matrix.modelview[0], v.vertex).z;
 o.color.a = -z / _ProjectionParams.z;
 return o;
}
ENDCG
 }
}
}