73 lines
2.1 KiB
Plaintext
73 lines
2.1 KiB
Plaintext
|
// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
|
||
|
|
|
||
|
|
Shader "Unlit/CampFog"
|
||
|
|
{
|
||
|
|
Properties
|
||
|
|
{
|
||
|
|
_FogColor ("Color", Color) = (1, 0, 0, 1)
|
||
|
|
_Intensity ("Intensity", Float) = 2.5
|
||
|
|
_Transparency ("Transparency", Float) = 1
|
||
|
|
}
|
||
|
|
SubShader
|
||
|
|
{
|
||
|
|
|
||
|
|
Tags { "Queue"="Transparent" "RenderType"="Transparent" }
|
||
|
|
LOD 100
|
||
|
|
ZWrite Off
|
||
|
|
Blend SrcAlpha OneMinusSrcAlpha
|
||
|
|
|
||
|
|
Pass
|
||
|
|
{
|
||
|
|
CGPROGRAM
|
||
|
|
#pragma vertex vert
|
||
|
|
#pragma fragment frag
|
||
|
|
|
||
|
|
#include "UnityCG.cginc"
|
||
|
|
|
||
|
|
struct appdata
|
||
|
|
{
|
||
|
|
float4 vertex : POSITION;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct v2f
|
||
|
|
{
|
||
|
|
float4 vertex : SV_POSITION;
|
||
|
|
float4 screenpos : TEXCOORD1;
|
||
|
|
float4 center : TEXCOORD2;
|
||
|
|
float4 orig : TEXCOORD3;
|
||
|
|
};
|
||
|
|
|
||
|
|
float4 _FogColor;
|
||
|
|
float _Intensity;
|
||
|
|
float _Transparency;
|
||
|
|
|
||
|
|
v2f vert (appdata v)
|
||
|
|
{
|
||
|
|
v2f o;
|
||
|
|
o.vertex = UnityObjectToClipPos (v.vertex);
|
||
|
|
o.orig = v.vertex;
|
||
|
|
o.screenpos = ComputeScreenPos(o.vertex);
|
||
|
|
o.center = ComputeScreenPos (UnityObjectToClipPos(fixed3(0, 0, 0)));
|
||
|
|
return o;
|
||
|
|
}
|
||
|
|
|
||
|
|
fixed4 frag (v2f i) : SV_Target
|
||
|
|
{
|
||
|
|
float2 pos = (i.screenpos.xy/i.screenpos.w);
|
||
|
|
float2 center = (i.center.xy/i.center.w);
|
||
|
|
float2 distance = center - pos;
|
||
|
|
if (_ScreenParams.y > _ScreenParams.x) {
|
||
|
|
distance.y /= (_ScreenParams.x / _ScreenParams.y);
|
||
|
|
} else {
|
||
|
|
distance.x /= (_ScreenParams.y / _ScreenParams.x);
|
||
|
|
}
|
||
|
|
float value = length(distance) / length(unity_ObjectToWorld[0].xyz);
|
||
|
|
value = 1 - value * i.center.w * _Intensity;
|
||
|
|
fixed4 col = fixed4(_FogColor.xyz * value, value * _Transparency);
|
||
|
|
return col;
|
||
|
|
}
|
||
|
|
ENDCG
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|