You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
906 B
60 lines
906 B
Shader "Fog Volume/RT viewers/RT_Opacity"
|
|
{
|
|
Properties{
|
|
_MainTex("Base", 2D) = "" {}
|
|
|
|
RT_Opacity("RT_Opacity", 2D) = "" {}
|
|
}
|
|
SubShader
|
|
{
|
|
Tags { "RenderType"="Opaque" }
|
|
LOD 100
|
|
|
|
Pass
|
|
{
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
// make fog work
|
|
|
|
|
|
#include "UnityCG.cginc"
|
|
|
|
struct appdata
|
|
{
|
|
float4 vertex : POSITION;
|
|
float2 uv : TEXCOORD0;
|
|
};
|
|
|
|
struct v2f
|
|
{
|
|
float2 uv : TEXCOORD0;
|
|
UNITY_FOG_COORDS(1)
|
|
float4 vertex : SV_POSITION;
|
|
};
|
|
|
|
sampler2D RT_Opacity;
|
|
float4 RT_Opacity_ST;
|
|
|
|
v2f vert (appdata v)
|
|
{
|
|
v2f o;
|
|
o.vertex = UnityObjectToClipPos(v.vertex);
|
|
o.uv = TRANSFORM_TEX(v.uv, RT_Opacity);
|
|
|
|
return o;
|
|
}
|
|
|
|
fixed4 frag (v2f i) : SV_Target
|
|
{
|
|
// sample the texture
|
|
fixed4 col = tex2D(RT_Opacity, i.uv);
|
|
|
|
|
|
//return col;
|
|
return 1-col.r;
|
|
}
|
|
ENDCG
|
|
}
|
|
}
|
|
}
|