71 lines
1.6 KiB
Plaintext
71 lines
1.6 KiB
Plaintext
|
Shader "Custom/Night Vision" {
|
||
|
|
Properties
|
||
|
|
{
|
||
|
|
_Color("Color", Color) = (0,1,0,1)
|
||
|
|
_MainTex ("Texture", 2D) = "white" {}
|
||
|
|
_Range("Range", Float) = 0.01
|
||
|
|
_ColorMultiplier("Color Multiplier", Float) = 1
|
||
|
|
_ColorMask("Color Mask", 2D) = "white" {}
|
||
|
|
}
|
||
|
|
SubShader
|
||
|
|
{
|
||
|
|
// 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;
|
||
|
|
float2 uv_depth : TEXCOORD1;
|
||
|
|
};
|
||
|
|
|
||
|
|
v2f vert (appdata v)
|
||
|
|
{
|
||
|
|
v2f o;
|
||
|
|
o.vertex = UnityObjectToClipPos(v.vertex);
|
||
|
|
o.uv = v.uv;
|
||
|
|
o.uv_depth = v.uv;
|
||
|
|
return o;
|
||
|
|
}
|
||
|
|
|
||
|
|
sampler2D _MainTex;
|
||
|
|
sampler2D _ColorMask;
|
||
|
|
sampler2D_float _CameraDepthTexture;
|
||
|
|
float _Range;
|
||
|
|
float _ColorMultiplier;
|
||
|
|
fixed4 _Color;
|
||
|
|
|
||
|
|
fixed lum(fixed3 color) {
|
||
|
|
//Source: http://stackoverflow.com/questions/596216/formula-to-determine-brightness-of-rgb-color
|
||
|
|
return 0.299*color.r + 0.587*color.g + 0.114*color.b;
|
||
|
|
}
|
||
|
|
|
||
|
|
fixed4 frag (v2f i) : SV_Target
|
||
|
|
{
|
||
|
|
float depth = DecodeFloatRG(tex2D(_CameraDepthTexture, i.uv));
|
||
|
|
float linearDepth = Linear01Depth(depth); // 1 is close, 0 is far after being flipped
|
||
|
|
linearDepth = max(0, (_Range - linearDepth) / _Range);
|
||
|
|
fixed4 col = tex2D(_MainTex, i.uv);
|
||
|
|
fixed4 mask = tex2D(_ColorMask, i.uv);
|
||
|
|
// just invert the colors
|
||
|
|
fixed color = (lum(col) * _ColorMultiplier) + linearDepth;
|
||
|
|
return _Color * color * mask;
|
||
|
|
}
|
||
|
|
ENDCG
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|