// Upgrade NOTE: replaced '_Object2World' with 'unity_ObjectToWorld'
|
|
Shader "FX/SimpleWater4" {
|
Properties {
|
_ReflectionTex ("Internal reflection", 2D) = "white" {}
|
|
_MainTex ("Fallback texture", 2D) = "black" {}
|
_BumpMap ("Normals ", 2D) = "bump" {}
|
|
_DistortParams ("Distortions (Bump waves, Reflection, Fresnel power, Fresnel bias)", Vector) = (1.0 ,1.0, 2.0, 1.15)
|
_InvFadeParemeter ("Auto blend parameter (Edge, Shore, Distance scale)", Vector) = (0.15 ,0.15, 0.5, 1.0)
|
|
_AnimationTiling ("Animation Tiling (Displacement)", Vector) = (2.2 ,2.2, -1.1, -1.1)
|
_AnimationDirection ("Animation Direction (displacement)", Vector) = (1.0 ,1.0, 1.0, 1.0)
|
|
_BumpTiling ("Bump Tiling", Vector) = (1.0 ,1.0, -2.0, 3.0)
|
_BumpDirection ("Bump Direction & Speed", Vector) = (1.0 ,1.0, -1.0, 1.0)
|
|
_FresnelScale ("FresnelScale", Range (0.15, 4.0)) = 0.75
|
|
_BaseColor ("Base color", COLOR) = ( .54, .95, .99, 0.5)
|
_ReflectionColor ("Reflection color", COLOR) = ( .54, .95, .99, 0.5)
|
_SpecularColor ("Specular color", COLOR) = ( .72, .72, .72, 1)
|
|
_WorldLightDir ("Specular light direction", Vector) = (0.0, 0.1, -0.5, 0.0)
|
_Shininess ("Shininess", Range (2.0, 500.0)) = 200.0
|
|
_GerstnerIntensity("Per vertex displacement", Float) = 1.0
|
_GAmplitude ("Wave Amplitude", Vector) = (0.3 ,0.35, 0.25, 0.25)
|
_GFrequency ("Wave Frequency", Vector) = (1.3, 1.35, 1.25, 1.25)
|
_GSteepness ("Wave Steepness", Vector) = (1.0, 1.0, 1.0, 1.0)
|
_GSpeed ("Wave Speed", Vector) = (1.2, 1.375, 1.1, 1.5)
|
_GDirectionAB ("Wave Direction", Vector) = (0.3 ,0.85, 0.85, 0.25)
|
_GDirectionCD ("Wave Direction", Vector) = (0.1 ,0.9, 0.5, 0.5)
|
}
|
|
|
CGINCLUDE
|
|
#include "UnityCG.cginc"
|
#include "WaterInclude.cginc"
|
|
struct appdata
|
{
|
float4 vertex : POSITION;
|
float3 normal : NORMAL;
|
};
|
|
// interpolator structs
|
|
struct v2f
|
{
|
float4 pos : SV_POSITION;
|
float4 normalInterpolator : TEXCOORD0;
|
float3 viewInterpolator : TEXCOORD1;
|
float4 bumpCoords : TEXCOORD2;
|
float4 screenPos : TEXCOORD3;
|
float4 grabPassPos : TEXCOORD4;
|
UNITY_FOG_COORDS(5)
|
};
|
|
struct v2f_noGrab
|
{
|
float4 pos : SV_POSITION;
|
float4 normalInterpolator : TEXCOORD0;
|
float3 viewInterpolator : TEXCOORD1;
|
float4 bumpCoords : TEXCOORD2;
|
float4 screenPos : TEXCOORD3;
|
UNITY_FOG_COORDS(4)
|
};
|
|
struct v2f_simple
|
{
|
float4 pos : SV_POSITION;
|
float3 viewInterpolator : TEXCOORD0;
|
float4 bumpCoords : TEXCOORD1;
|
UNITY_FOG_COORDS(2)
|
};
|
|
// textures
|
sampler2D _BumpMap;
|
sampler2D _ReflectionTex;
|
sampler2D _RefractionTex;
|
sampler2D _ShoreTex;
|
sampler2D_float _CameraDepthTexture;
|
|
// colors in use
|
uniform float4 _RefrColorDepth;
|
uniform float4 _SpecularColor;
|
uniform float4 _BaseColor;
|
uniform float4 _ReflectionColor;
|
|
// edge & shore fading
|
uniform float4 _InvFadeParemeter;
|
|
// specularity
|
uniform float _Shininess;
|
uniform float4 _WorldLightDir;
|
|
// fresnel, vertex & bump displacements & strength
|
uniform float4 _DistortParams;
|
uniform float _FresnelScale;
|
uniform float4 _BumpTiling;
|
uniform float4 _BumpDirection;
|
|
uniform float4 _GAmplitude;
|
uniform float4 _GFrequency;
|
uniform float4 _GSteepness;
|
uniform float4 _GSpeed;
|
uniform float4 _GDirectionAB;
|
uniform float4 _GDirectionCD;
|
|
// shortcuts
|
#define PER_PIXEL_DISPLACE _DistortParams.x
|
#define REALTIME_DISTORTION _DistortParams.y
|
#define FRESNEL_POWER _DistortParams.z
|
#define VERTEX_WORLD_NORMAL i.normalInterpolator.xyz
|
#define DISTANCE_SCALE _InvFadeParemeter.z
|
#define FRESNEL_BIAS _DistortParams.w
|
|
//
|
// HQ VERSION
|
//
|
|
v2f vert(appdata_full v)
|
{
|
v2f o;
|
|
half3 worldSpaceVertex = mul(unity_ObjectToWorld,(v.vertex)).xyz;
|
half3 vtxForAni = (worldSpaceVertex).xzz;
|
|
half3 nrml;
|
half3 offsets;
|
|
Gerstner (
|
offsets, nrml, v.vertex.xyz, vtxForAni, // offsets, nrml will be written
|
_GAmplitude, // amplitude
|
_GFrequency, // frequency
|
_GSteepness, // steepness
|
_GSpeed, // speed
|
_GDirectionAB, // direction # 1, 2
|
_GDirectionCD // direction # 3, 4
|
);
|
|
v.vertex.xyz += offsets;
|
|
half2 tileableUv = worldSpaceVertex.xz;
|
|
o.bumpCoords.xyzw = (tileableUv.xyxy + _Time.xxxx * _BumpDirection.xyzw) * _BumpTiling.xyzw;
|
|
o.viewInterpolator.xyz = worldSpaceVertex - _WorldSpaceCameraPos;
|
|
o.pos = UnityObjectToClipPos(v.vertex);
|
|
ComputeScreenAndGrabPassPos(o.pos, o.screenPos, o.grabPassPos);
|
|
o.normalInterpolator.xyz = nrml;
|
|
o.normalInterpolator.w = 1;//GetDistanceFadeout(o.screenPos.w, DISTANCE_SCALE);
|
|
UNITY_TRANSFER_FOG(o,o.pos);
|
return o;
|
}
|
|
half4 frag( v2f i ) : SV_Target
|
{
|
half3 worldNormal = PerPixelNormal(_BumpMap, i.bumpCoords, VERTEX_WORLD_NORMAL, PER_PIXEL_DISPLACE);
|
half3 viewVector = normalize(i.viewInterpolator.xyz);
|
|
half4 distortOffset = half4(worldNormal.xz * REALTIME_DISTORTION * 10.0, 0, 0);
|
half4 screenWithOffset = i.screenPos + distortOffset;
|
half4 grabWithOffset = i.grabPassPos + distortOffset;
|
|
half4 rtRefractionsNoDistort = tex2Dproj(_RefractionTex, UNITY_PROJ_COORD(i.grabPassPos));
|
half refrFix = SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(grabWithOffset));
|
half4 rtRefractions = tex2Dproj(_RefractionTex, UNITY_PROJ_COORD(grabWithOffset));
|
|
#ifdef WATER_REFLECTIVE
|
half4 rtReflections = tex2Dproj(_ReflectionTex, UNITY_PROJ_COORD(screenWithOffset));
|
#endif
|
|
#ifdef WATER_EDGEBLEND_ON
|
if (LinearEyeDepth(refrFix) < i.screenPos.z)
|
rtRefractions = rtRefractionsNoDistort;
|
#endif
|
|
half3 reflectVector = normalize(reflect(viewVector, worldNormal));
|
half3 h = normalize ((_WorldLightDir.xyz) + viewVector.xyz);
|
float nh = max (0, dot (worldNormal, -h));
|
float spec = max(0.0,pow (nh, _Shininess));
|
|
half4 edgeBlendFactors = half4(1.0, 0.0, 0.0, 0.0);
|
|
#ifdef WATER_EDGEBLEND_ON
|
half depth = SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(i.screenPos));
|
depth = LinearEyeDepth(depth);
|
edgeBlendFactors = saturate(_InvFadeParemeter * (depth-i.screenPos.w));
|
#endif
|
|
// shading for fresnel term
|
worldNormal.xz *= _FresnelScale;
|
half refl2Refr = Fresnel(viewVector, worldNormal, FRESNEL_BIAS, FRESNEL_POWER);
|
|
// base, depth & reflection colors
|
half4 baseColor = _BaseColor;
|
#ifdef WATER_REFLECTIVE
|
half4 reflectionColor = lerp (rtReflections,_ReflectionColor,_ReflectionColor.a);
|
#else
|
half4 reflectionColor = _ReflectionColor;
|
#endif
|
|
baseColor = lerp (lerp (rtRefractions, baseColor, baseColor.a), reflectionColor, refl2Refr);
|
baseColor = baseColor + spec * _SpecularColor;
|
|
baseColor.a = edgeBlendFactors.x;
|
UNITY_APPLY_FOG(i.fogCoord, baseColor);
|
return baseColor;
|
}
|
|
//
|
// MQ VERSION
|
//
|
|
v2f_noGrab vert300(appdata_full v)
|
{
|
v2f_noGrab o;
|
|
half3 worldSpaceVertex = mul(unity_ObjectToWorld,(v.vertex)).xyz;
|
half3 vtxForAni = (worldSpaceVertex).xzz;
|
|
half3 nrml;
|
half3 offsets;
|
Gerstner (
|
offsets, nrml, v.vertex.xyz, vtxForAni, // offsets, nrml will be written
|
_GAmplitude, // amplitude
|
_GFrequency, // frequency
|
_GSteepness, // steepness
|
_GSpeed, // speed
|
_GDirectionAB, // direction # 1, 2
|
_GDirectionCD // direction # 3, 4
|
);
|
|
v.vertex.xyz += offsets;
|
|
half2 tileableUv = worldSpaceVertex.xz;
|
|
o.bumpCoords.xyzw = (tileableUv.xyxy + _Time.xxxx * _BumpDirection.xyzw) * _BumpTiling.xyzw;
|
|
o.viewInterpolator.xyz = worldSpaceVertex - _WorldSpaceCameraPos;
|
|
o.pos = UnityObjectToClipPos(v.vertex);
|
|
o.screenPos = ComputeNonStereoScreenPos(o.pos);
|
|
o.normalInterpolator.xyz = nrml;
|
|
o.normalInterpolator.w = 1;//GetDistanceFadeout(o.screenPos.w, DISTANCE_SCALE);
|
|
UNITY_TRANSFER_FOG(o,o.pos);
|
return o;
|
}
|
|
half4 frag300( v2f_noGrab i ) : SV_Target
|
{
|
half3 worldNormal = PerPixelNormal(_BumpMap, i.bumpCoords, VERTEX_WORLD_NORMAL, PER_PIXEL_DISPLACE);
|
half3 viewVector = normalize(i.viewInterpolator.xyz);
|
|
half4 distortOffset = half4(worldNormal.xz * REALTIME_DISTORTION * 10.0, 0, 0);
|
half4 screenWithOffset = i.screenPos + distortOffset;
|
|
#ifdef WATER_REFLECTIVE
|
half4 rtReflections = tex2Dproj(_ReflectionTex, UNITY_PROJ_COORD(screenWithOffset));
|
#endif
|
|
half3 reflectVector = normalize(reflect(viewVector, worldNormal));
|
half3 h = normalize (_WorldLightDir.xyz + viewVector.xyz);
|
float nh = max (0, dot (worldNormal, -h));
|
float spec = max(0.0,pow (nh, _Shininess));
|
|
half4 edgeBlendFactors = half4(1.0, 0.0, 0.0, 0.0);
|
|
#ifdef WATER_EDGEBLEND_ON
|
half depth = SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(i.screenPos));
|
depth = LinearEyeDepth(depth);
|
edgeBlendFactors = saturate(_InvFadeParemeter * (depth-i.screenPos.z));
|
#endif
|
|
worldNormal.xz *= _FresnelScale;
|
half refl2Refr = Fresnel(viewVector, worldNormal, FRESNEL_BIAS, FRESNEL_POWER);
|
|
half4 baseColor = _BaseColor;
|
#ifdef WATER_REFLECTIVE
|
baseColor = lerp (baseColor, lerp (rtReflections,_ReflectionColor,_ReflectionColor.a), saturate(refl2Refr * 1.0));
|
#else
|
baseColor = _ReflectionColor;//lerp (baseColor, _ReflectionColor, saturate(refl2Refr * 2.0));
|
#endif
|
|
baseColor = baseColor + spec * _SpecularColor;
|
|
baseColor.a = edgeBlendFactors.x * saturate(0.5 + refl2Refr * 1.0);
|
UNITY_APPLY_FOG(i.fogCoord, baseColor);
|
return baseColor;
|
}
|
|
//
|
// LQ VERSION
|
//
|
|
v2f_simple vert200(appdata_full v)
|
{
|
v2f_simple o;
|
|
half3 worldSpaceVertex = mul(unity_ObjectToWorld, v.vertex).xyz;
|
half2 tileableUv = worldSpaceVertex.xz;
|
|
o.bumpCoords.xyzw = (tileableUv.xyxy + _Time.xxxx * _BumpDirection.xyzw) * _BumpTiling.xyzw;
|
|
o.viewInterpolator.xyz = worldSpaceVertex-_WorldSpaceCameraPos;
|
|
o.pos = UnityObjectToClipPos( v.vertex);
|
|
UNITY_TRANSFER_FOG(o,o.pos);
|
return o;
|
|
}
|
|
half4 frag200( v2f_simple i ) : SV_Target
|
{
|
half3 worldNormal = PerPixelNormal(_BumpMap, i.bumpCoords, half3(0,1,0), PER_PIXEL_DISPLACE);
|
half3 viewVector = normalize(i.viewInterpolator.xyz);
|
|
half3 reflectVector = normalize(reflect(viewVector, worldNormal));
|
half3 h = normalize ((_WorldLightDir.xyz) + viewVector.xyz);
|
float nh = max (0, dot (worldNormal, -h));
|
float spec = max(0.0,pow (nh, _Shininess));
|
|
worldNormal.xz *= _FresnelScale;
|
half refl2Refr = Fresnel(viewVector, worldNormal, FRESNEL_BIAS, FRESNEL_POWER);
|
|
half4 baseColor = _BaseColor;
|
baseColor = lerp(baseColor, _ReflectionColor, saturate(refl2Refr * 2.0));
|
baseColor.a = saturate(2.0 * refl2Refr + 0.5);
|
|
baseColor.rgb += spec * _SpecularColor.rgb;
|
UNITY_APPLY_FOG(i.fogCoord, baseColor);
|
return baseColor;
|
}
|
|
ENDCG
|
|
Subshader
|
{
|
Tags {"RenderType"="Transparent" "Queue"="Transparent"}
|
|
Lod 500
|
ColorMask RGB
|
|
GrabPass { "_RefractionTex" }
|
|
Pass {
|
Blend SrcAlpha OneMinusSrcAlpha
|
ZTest LEqual
|
ZWrite Off
|
Cull Off
|
|
CGPROGRAM
|
|
#pragma target 3.0
|
|
#pragma vertex vert
|
#pragma fragment frag
|
#pragma multi_compile_fog
|
|
#pragma multi_compile WATER_VERTEX_DISPLACEMENT_ON WATER_VERTEX_DISPLACEMENT_OFF
|
#pragma multi_compile WATER_EDGEBLEND_ON WATER_EDGEBLEND_OFF
|
#pragma multi_compile WATER_REFLECTIVE WATER_SIMPLE
|
|
ENDCG
|
}
|
}
|
|
Subshader
|
{
|
Tags {"RenderType"="Transparent" "Queue"="Transparent"}
|
|
Lod 300
|
ColorMask RGB
|
|
Pass {
|
Blend SrcAlpha OneMinusSrcAlpha
|
ZTest LEqual
|
ZWrite Off
|
Cull Off
|
|
CGPROGRAM
|
|
#pragma target 3.0
|
|
#pragma vertex vert300
|
#pragma fragment frag300
|
#pragma multi_compile_fog
|
|
#pragma multi_compile WATER_VERTEX_DISPLACEMENT_ON WATER_VERTEX_DISPLACEMENT_OFF
|
#pragma multi_compile WATER_EDGEBLEND_ON WATER_EDGEBLEND_OFF
|
#pragma multi_compile WATER_REFLECTIVE WATER_SIMPLE
|
|
ENDCG
|
}
|
}
|
|
Subshader
|
{
|
Tags {"RenderType"="Transparent" "Queue"="Transparent"}
|
|
Lod 200
|
ColorMask RGB
|
|
Pass {
|
Blend SrcAlpha OneMinusSrcAlpha
|
ZTest LEqual
|
ZWrite Off
|
Cull Off
|
|
CGPROGRAM
|
|
#pragma vertex vert200
|
#pragma fragment frag200
|
#pragma multi_compile_fog
|
|
ENDCG
|
}
|
}
|
|
Fallback "Transparent/Diffuse"
|
}
|
