JunShi101ShiNei/Assets/Model_ProjectionScreen301/Model_ProjectingScreen/Materials/NewSurfaceShader.shader

// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'

Shader "Esfog/FilterBlack" {
	Properties{
	_MainTex("Base (RGB)", 2D) = "white" {}
	}
		SubShader
	{
	Tags { "RenderType" = "Opaque" }
	//LOD 200  
	Cull Off
	ZWrite Off
	Blend SrcAlpha OneMinusSrcAlpha
	Pass
	{
	CGPROGRAM
	#pragma vertex vert  
	#pragma fragment frag  
	#include "UnityCG.cginc"  
	uniform sampler2D _MainTex;
	struct VertexOutput
	{
	float4 pos:SV_POSITION;
	float4 uv:TEXCOORD0;
	};


	VertexOutput vert(float4 vertex:POSITION,float4 uv : TEXCOORD0)
	{
	VertexOutput o;
	o.pos = UnityObjectToClipPos(vertex);
	o.uv = uv;
	return o;
	}


	float4 frag(VertexOutput i) :COLOR
	{
	float4 col;
	col.rgba = tex2D(_MainTex,i.uv.xy);

	float r = col.r * 10;
	float g = col.g * 10;
	float b = col.b * 10;
	//col.a = 1;
	if (col.r <= 0.1&&col.g <= 0.1&&col.b <= 0.1 && (col.r + col.g + col.b) < 0.25)
	{
		col.a = (col.r + col.g + col.b);
	}
	else if (((r + g + b) < 3 && (col.r < 0.02 || col.g < 0.02 || col.b < 0.02)) && (((r - g) <= -0.15 || (r - g) >= 0.15) || ((r - b) >= 0.15 || (r - b) <= -0.15)))
	{
		col.a = (col.r + col.g + col.b);
		if (col.r * 10 > 0.1)
		{
			col.r = col.r * 3;
		}
		if (col.b * 10 > 0.1)
		{
			col.b = col.b * 3;
		}
		if (col.g * 10 > 0.1)
		{
			col.g = col.g * 3;
		}
	}

	return col;
	}


	ENDCG
	}

	}
		FallBack "Diffuse"
}