revival/game/Assets/Shaders/stencil.shader

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2021-04-24 03:06:03 +02:00
Shader "KernelPanic/stencil"
{
Properties
{
// _NoiseTex ("Noise Tex", 2D) = "black"
[HideInInspector]_MainTex ("Base (RGB)", 2D) = "white" {}
_GlitchBlendTex ("Glitch", 2D) = "black" {}
_NoiseTex ("Noise", 2D) = "black" {}
// [Range(0,1)] _Sample ("Sample", Float) = 0.5
}
SubShader
{
// No culling or depth
Cull Off ZWrite Off ZTest Always Blend SrcAlpha OneMinusSrcAlpha
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 _GlitchBlendTex;
sampler2D _NoiseTex;
sampler2D _CameraDepthTexture;
float _Sample;
fixed4 frag (v2f i) : SV_Target
{
// depth
float d = tex2D(_CameraDepthTexture, i.uv);
// sample frame
float4 c = tex2D(_MainTex, i.uv);
// sample noise
float2 scroll = float2(sin(_Time.y), cos(_Time.w));
float4 n = tex2D(_NoiseTex, i.uv + scroll);
// sample frame but with noise
float4 cn = tex2D(_MainTex, i.uv + n.xy);
// raw blended glitch used to blend between things
float4 g = tex2D(_GlitchBlendTex, i.uv);
// c = lerp(c,cn,g);
c = lerp(c,g,g);
return c;
// return tex2D(_CameraDepthTexture, i.uv);
}
ENDCG
}
}
}