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CrowdControl/Assets/Feel/MMTools/Tools/MMShaders/MMSkybox.shader

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3.9 KiB
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Shader "MoreMountains/MMSkybox"
{
Properties
{
_TopColor("Top Color", Color) = (1,1,1,0)
_BottomColor("Bottom Color", Color) = (1,0.6,0,0)
_Saturation("Saturation", Float) = 1
_Intensity("Intensity", Float) = 1
[Toggle(_SCREENSPACE)] _ScreenSpace("Screen Space", Float) = 0
}
SubShader
{
Tags
{
"RenderType"="Opaque"
}
LOD 100
CGINCLUDE
#pragma target 3.0
ENDCG
Blend Off
Cull Back
ColorMask RGBA
ZWrite On
ZTest LEqual
Offset 0 , 0
Pass
{
Name "Unlit"
Tags
{
"LightMode"="ForwardBase"
}
CGPROGRAM
#ifndef UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX
#define UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input)
#endif
#pragma vertex vert
#pragma fragment frag
#pragma multi_compile_instancing
#include "UnityCG.cginc"
#pragma shader_feature_local _SCREENSPACE
struct appdata
{
float4 vertex : POSITION;
float4 color : COLOR;
UNITY_VERTEX_INPUT_INSTANCE_ID
};
struct v2f
{
float4 vertex : SV_POSITION;
#ifdef ASE_NEEDS_FRAG_WORLD_POSITION
float3 worldPos : TEXCOORD0;
#endif
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
float4 ase_texcoord1 : TEXCOORD1;
float4 ase_texcoord2 : TEXCOORD2;
};
uniform float4 _TopColor;
uniform float4 _BottomColor;
uniform float _Saturation;
uniform float _Intensity;
v2f vert(appdata v)
{
v2f o;
UNITY_SETUP_INSTANCE_ID(v);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
UNITY_TRANSFER_INSTANCE_ID(v, o);
float4 ase_clipPos = UnityObjectToClipPos(v.vertex);
float4 screenPos = ComputeScreenPos(ase_clipPos);
o.ase_texcoord2 = screenPos;
o.ase_texcoord1 = v.vertex;
float3 vertexValue = float3(0, 0, 0);
#if ASE_ABSOLUTE_VERTEX_POS
vertexValue = v.vertex.xyz;
#endif
vertexValue = vertexValue;
#if ASE_ABSOLUTE_VERTEX_POS
v.vertex.xyz = vertexValue;
#else
v.vertex.xyz += vertexValue;
#endif
o.vertex = UnityObjectToClipPos(v.vertex);
#ifdef ASE_NEEDS_FRAG_WORLD_POSITION
o.worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
#endif
return o;
}
fixed4 frag(v2f i) : SV_Target
{
UNITY_SETUP_INSTANCE_ID(i);
UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(i);
fixed4 finalColor;
#ifdef ASE_NEEDS_FRAG_WORLD_POSITION
float3 WorldPosition = i.worldPos;
#endif
float4 screenPos = i.ase_texcoord2;
float4 ase_screenPosNorm = screenPos / screenPos.w;
ase_screenPosNorm.z = (UNITY_NEAR_CLIP_VALUE >= 0)
? ase_screenPosNorm.z
: ase_screenPosNorm.z * 0.5 + 0.5;
#ifdef _SCREENSPACE
float staticSwitch13 = ase_screenPosNorm.y;
#else
float staticSwitch13 = i.ase_texcoord1.xyz.y;
#endif
float4 lerpResult3 = lerp(_BottomColor, _TopColor,
pow(saturate((staticSwitch13 * _Saturation)), _Intensity));
finalColor = lerpResult3;
return finalColor;
}
ENDCG
}
}
}