AlphaOnly.shader

AlphaOnly.shader

Shader "Mine/Alpha Only"
{
  Properties
	{
		_MainTex ("Base (RGB)", 2D) = "white" {}
		_MainColor ("Tint Color", Color) = (1, 1, 1, 1)
	}
	SubShader
	{
		Tags { "RenderType"="Transparent" }
//		LOD 200
		Blend SrcAlpha OneMinusSrcAlpha
//		AlphaTest Greater .01
//		ColorMask RGB
		Lighting Off
		ZWrite Off
		Cull Off
		
		Pass
		{
			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag
			#pragma fragmentoption ARB_precision_hint_fastest
//			#pragma multi_compile_builtin
			#include "UnityCG.cginc"
	
			uniform sampler2D _MainTex;
			uniform float4 _MainTex_ST;
			uniform float4 _MainColor;
			
			struct appdata_vert
			{
				float4 vertex : POSITION;
				float4 texcoord : TEXCOORD0;
				float4 color : COLOR;
			};
			
			struct v2f
			{
				float4 pos : POSITION;
				float2 uv : TEXCOORD0;
				float4 color : COLOR;
			};
			
			v2f vert(appdata_vert v)
			{
				v2f o;
				o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
				o.uv = TRANSFORM_TEX(v.texcoord, _MainTex);
				o.color = v.color * _MainColor;
				return o;
			}
			
			fixed4 frag(v2f i) : COLOR
			{
				fixed4 c = i.color;
				c.a *= UNITY_SAMPLE_1CHANNEL(_MainTex, i.uv);
				return c;
			}
			ENDCG
		}
	}
//	FallBack "Unlit/Transparent"
}