Shader that gets its colour from a property and its alpha from a texture

UnlitAlpha.shader

Shader "Mine/Unlit Alpha"
{
	Properties
	{
		_Color ("Tint", Color) = (1,1,1,1)
		_MainTex ("Texture", 2D) = "white" {}
	}
	
	SubShader
	{
		Lighting Off
		Cull Off
		ZTest Always
		Zwrite Off
		Fog {Mode Off}
		Tags {"Queue" = "Transparent"}
		Pass
		{
			Blend SrcAlpha OneMinusSrcAlpha
			SetTexture [_MainTex]
			{
				ConstantColor[_Color]
				Combine constant, texture
			}
		}
	}
}