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Shader "Hovl/Particles/Add_Fresnel"
{
Properties
{
_MainTex("MainTex", 2D) = "white" {}
_Noise("Noise", 2D) = "white" {}
_Color("Color", Color) = (0.5,0.5,0.5,1)
_Emission("Emission", Float) = 2
_SpeedMainTexUVNoiseZW("Speed MainTex U/V + Noise Z/W", Vector) = (0,0,0,0)
_Flow("Flow", 2D) = "white" {}
_Mask("Mask", 2D) = "white" {}
_Distortionpower("Distortion power", Float) = 0.2
_Fresnelscale("Fresnel scale", Float) = 3
_Fresnelpower("Fresnel power", Float) = 3
_Depthpower("Depth power", Float) = 0.2
[Toggle]_Useonlycolor("Use only color", Float) = 0
[HideInInspector] _texcoord( "", 2D ) = "white" {}
}
Category
{
SubShader
{
Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" "PreviewType"="Plane" }
Blend SrcAlpha OneMinusSrcAlpha
ColorMask RGB
Cull Off
Lighting Off
ZWrite Off
ZTest LEqual
Pass {
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
//#pragma target 2.0
#pragma multi_compile_particles
#pragma multi_compile_fog
#include "UnityShaderVariables.cginc"
#include "UnityCG.cginc"
struct appdata_t
{
float4 vertex : POSITION;
fixed4 color : COLOR;
float4 texcoord : TEXCOORD0;
UNITY_VERTEX_INPUT_INSTANCE_ID
float3 ase_normal : NORMAL;
};
struct v2f
{
float4 vertex : SV_POSITION;
fixed4 color : COLOR;
float4 texcoord : TEXCOORD0;
UNITY_FOG_COORDS(1)
#ifdef SOFTPARTICLES_ON
float4 projPos : TEXCOORD2;
#endif
UNITY_VERTEX_OUTPUT_STEREO
float4 ase_texcoord3 : TEXCOORD3;
float4 ase_texcoord4 : TEXCOORD4;
//float4 ase_texcoord5 : TEXCOORD5;
};
uniform sampler2D _MainTex;
uniform fixed4 _TintColor;
uniform float4 _MainTex_ST;
uniform sampler2D_float _CameraDepthTexture;
uniform float _Useonlycolor;
uniform float4 _SpeedMainTexUVNoiseZW;
uniform sampler2D _Mask;
uniform float4 _Mask_ST;
uniform sampler2D _Flow;
uniform float4 _Flow_ST;
uniform float _Distortionpower;
uniform sampler2D _Noise;
uniform float4 _Noise_ST;
uniform float4 _Color;
uniform float _Emission;
uniform float _Fresnelscale;
uniform float _Fresnelpower;
uniform float _Depthpower;
v2f vert ( appdata_t v )
{
v2f o;
UNITY_SETUP_INSTANCE_ID(v);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
float3 ase_worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
o.ase_texcoord3.xyz = ase_worldPos;
float3 ase_worldNormal = UnityObjectToWorldNormal(v.ase_normal);
o.ase_texcoord4.xyz = ase_worldNormal;
float4 ase_clipPos = UnityObjectToClipPos(v.vertex);
float4 screenPos = ComputeScreenPos(ase_clipPos);
//o.ase_texcoord5 = screenPos;
//setting value to unused interpolator channels and avoid initialization warnings
o.ase_texcoord3.w = 0;
o.ase_texcoord4.w = 0;
v.vertex.xyz += float3( 0, 0, 0 ) ;
o.vertex = UnityObjectToClipPos(v.vertex);
#ifdef SOFTPARTICLES_ON
o.projPos = ComputeScreenPos (o.vertex);
COMPUTE_EYEDEPTH(o.projPos.z);
#endif
o.color = v.color;
o.texcoord = v.texcoord;
UNITY_TRANSFER_FOG(o,o.vertex);
return o;
}
fixed4 frag ( v2f i , half ase_vface : VFACE ) : SV_Target
{
float fade = 1;
#ifdef SOFTPARTICLES_ON
float sceneZ = LinearEyeDepth (SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(i.projPos)));
float partZ = i.projPos.z;
fade = saturate (_Depthpower * (sceneZ-partZ));
#endif
float2 appendResult186 = (float2(_SpeedMainTexUVNoiseZW.x , _SpeedMainTexUVNoiseZW.y));
float2 uv_MainTex = i.texcoord.xy * _MainTex_ST.xy + _MainTex_ST.zw;
float2 uv_Mask = i.texcoord.xy * _Mask_ST.xy + _Mask_ST.zw;
float2 appendResult177 = (float2(_SpeedMainTexUVNoiseZW.z , _SpeedMainTexUVNoiseZW.w));
float3 uv_Flow = i.texcoord.xyz;
uv_Flow.xy = i.texcoord.xyz.xy * _Flow_ST.xy + _Flow_ST.zw;
float4 tex2DNode203 = tex2D( _MainTex, ( ( ( appendResult186 * _Time.y ) + uv_MainTex ) - ( (( tex2D( _Mask, uv_Mask ) * tex2D( _Flow, ( ( _Time.y * appendResult177 ) + (uv_Flow).xy ) ) )).rg * _Distortionpower ) ) );
float2 uv_Noise = i.texcoord.xy * _Noise_ST.xy + _Noise_ST.zw;
float4 tex2DNode211 = tex2D( _Noise, uv_Noise );
float w199 = (1.0 + (uv_Flow.z - 0.0) * (128.0 - 1.0) / (1.0 - 0.0));
float4 temp_cast_3 = (tex2DNode203.a).xxxx;
float div207=256.0/float((int)w199);
float4 posterize207 = ( floor( temp_cast_3 * div207 ) / div207 );
float opac215 = (posterize207).a;
float3 ase_worldPos = i.ase_texcoord3.xyz;
float3 ase_worldViewDir = UnityWorldSpaceViewDir(ase_worldPos);
ase_worldViewDir = normalize(ase_worldViewDir);
float3 ase_worldNormal = i.ase_texcoord4.xyz;
float fresnelNdotV187 = dot( ase_worldNormal, ase_worldViewDir );
float fresnelNode187 = ( 0.0 + _Fresnelscale * pow( 1.0 - fresnelNdotV187, _Fresnelpower ) );
float clampResult193 = clamp( fresnelNode187 , 0.0 , 1.0 );
float switchResult206 = (((ase_vface>0)?(clampResult193):(0.0)));
float clampResult202 = clamp( fade , 0.0 , 1.0 );
float clampResult214 = clamp( ( (1.0 + (clampResult202 - 0.0) * (0.0 - 1.0) / (1.0 - 0.0)) - switchResult206 ) , 0.0 , 1.0 );
float4 appendResult224 = (float4(( lerp(float4( (( tex2DNode203 * tex2DNode211 * _Color * i.color )).rgb , 0.0 ),_Color,_Useonlycolor) * _Emission ).rgb , ( opac215 * tex2DNode211.a * _Color.a * i.color.a * ( switchResult206 + clampResult214 ) )));
fixed4 col = appendResult224;
UNITY_APPLY_FOG(i.fogCoord, col);
return col;
}
ENDCG
}
}
}
}
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