image.png
image.png
image.png
Shader "Hidden/NewImageEffectShader"
{
Properties
{
_MainTex ("Texture", 2D) = "white" {}
_Mask ("Mask", 2D) = "white" {}
}
SubShader
{
Tags
{
"RenderType"="Transparent" "Queue"="Transparent"
}
Blend SrcAlpha OneMinusSrcAlpha
// No culling or depth
Cull Off ZWrite Off ZTest Always
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float2 uv : TEXCOORD0;
float4 vertex : SV_POSITION;
};
v2f vert (appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = v.uv;
return o;
}
sampler2D _MainTex;
sampler2D _Mask;
fixed4 frag (v2f i) : SV_Target
{
fixed4 col = tex2D(_MainTex, i.uv);
fixed4 mask = tex2D(_Mask, i.uv);
// just invert the colors
col.a *= mask.r;
return col;
}
ENDCG
}
}
}
