Shader "MY/Particles/SrcAdd"
{
	Properties
	{
		_TintColor("Tint Color", Color) = (0.5,0.5,0.5,0.5)
		_MainTex("Particle Texture", 2D) = "white" {}
		_Value("Value", float) = 2.0
		_Cutoff("Alpha cutoff", Range(0,1)) = 0.5
	}

		Category
		{
			Tags { "Queue" = "Transparent" "IgnoreProjector" = "True"}

			ColorMask RGB
			Blend SrcAlpha OneMinusSrcAlpha
			Cull Off
			Lighting Off
			Fog { Mode Off }
			ZWrite Off
			SubShader
			{
				Pass
				{
					CGPROGRAM

					#pragma vertex vert
					#pragma fragment frag
					#pragma multi_compile_fog
					#include "UnityCG.cginc"

					sampler2D _MainTex;
					half4 _MainTex_ST;
					fixed4 _TintColor;
					half _Value;
					fixed _Cutoff;

					struct appdata_t
					{
						half4 vertex : POSITION;
						fixed4 color : COLOR;
						half2 texcoord : TEXCOORD0;
					};

					struct v2f
					{
						half4 vertex : POSITION;
						fixed4 color : COLOR;
						half2 texcoord : TEXCOORD0;
						UNITY_FOG_COORDS(1)
					};

					v2f vert(appdata_t v)
					{
						v2f o;

						o.vertex = UnityObjectToClipPos(v.vertex);
						o.color = v.color;
						o.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
						UNITY_TRANSFER_FOG(o,o.vertex);
						return o;
					}

					fixed4 frag(v2f i) : COLOR
					{
						fixed4 col = _Value * i.color * _TintColor * tex2D(_MainTex, i.texcoord);
						UNITY_APPLY_FOG_COLOR(i.fogCoord, col, fixed4(0,0,0,0));
						clip(col.a - _Cutoff);
						return col;
					}

					ENDCG
				}
			}
		}
}