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three.js
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bb985314
T
three.js
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体验新版 GitCode,发现更多精彩内容 >>
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bb985314
编写于
6月 28, 2016
作者:
W
WestLangley
提交者:
Mr.doob
6月 27, 2016
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电子邮件补丁
差异文件
Added clear coat energy conservation (#9238)
上级
6cec1104
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
24 addition
and
3 deletion
+24
-3
src/renderers/shaders/ShaderChunk/lights_physical_pars_fragment.glsl
...rs/shaders/ShaderChunk/lights_physical_pars_fragment.glsl
+24
-3
未找到文件。
src/renderers/shaders/ShaderChunk/lights_physical_pars_fragment.glsl
浏览文件 @
bb985314
...
...
@@ -14,6 +14,13 @@ struct PhysicalMaterial {
#define MAXIMUM_SPECULAR_COEFFICIENT 0.16
#define DEFAULT_SPECULAR_COEFFICIENT 0.04
// Clear coat directional hemishperical reflectance (this approximation should be improved)
float
clearCoatDHRApprox
(
const
in
float
roughness
,
const
in
float
dotNL
)
{
return
DEFAULT_SPECULAR_COEFFICIENT
+
(
1
.
0
-
DEFAULT_SPECULAR_COEFFICIENT
)
*
(
pow
(
1
.
0
-
dotNL
,
5
.
0
)
*
pow
(
1
.
0
-
roughness
,
2
.
0
)
);
}
void
RE_Direct_Physical
(
const
in
IncidentLight
directLight
,
const
in
GeometricContext
geometry
,
const
in
PhysicalMaterial
material
,
inout
ReflectedLight
reflectedLight
)
{
float
dotNL
=
saturate
(
dot
(
geometry
.
normal
,
directLight
.
direction
)
);
...
...
@@ -26,8 +33,14 @@ void RE_Direct_Physical( const in IncidentLight directLight, const in GeometricC
#endif
reflectedLight
.
directSpecular
+=
irradiance
*
BRDF_Specular_GGX
(
directLight
,
geometry
,
material
.
specularColor
,
material
.
specularRoughness
);
reflectedLight
.
directDiffuse
+=
irradiance
*
BRDF_Diffuse_Lambert
(
material
.
diffuseColor
);
#ifndef STANDARD
float
clearCoatDHR
=
material
.
clearCoat
*
clearCoatDHRApprox
(
material
.
clearCoatRoughness
,
dotNL
);
#else
float
clearCoatDHR
=
0
.
0
;
#endif
reflectedLight
.
directSpecular
+=
(
1
.
0
-
clearCoatDHR
)
*
irradiance
*
BRDF_Specular_GGX
(
directLight
,
geometry
,
material
.
specularColor
,
material
.
specularRoughness
);
reflectedLight
.
directDiffuse
+=
(
1
.
0
-
clearCoatDHR
)
*
irradiance
*
BRDF_Diffuse_Lambert
(
material
.
diffuseColor
);
#ifndef STANDARD
...
...
@@ -45,7 +58,15 @@ void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricCo
void
RE_IndirectSpecular_Physical
(
const
in
vec3
radiance
,
const
in
vec3
clearCoatRadiance
,
const
in
GeometricContext
geometry
,
const
in
PhysicalMaterial
material
,
inout
ReflectedLight
reflectedLight
)
{
reflectedLight
.
indirectSpecular
+=
radiance
*
BRDF_Specular_GGX_Environment
(
geometry
,
material
.
specularColor
,
material
.
specularRoughness
);
#ifndef STANDARD
float
dotNV
=
saturate
(
dot
(
geometry
.
normal
,
geometry
.
viewDir
)
);
float
dotNL
=
dotNV
;
float
clearCoatDHR
=
material
.
clearCoat
*
clearCoatDHRApprox
(
material
.
clearCoatRoughness
,
dotNL
);
#else
float
clearCoatDHR
=
0
.
0
;
#endif
reflectedLight
.
indirectSpecular
+=
(
1
.
0
-
clearCoatDHR
)
*
radiance
*
BRDF_Specular_GGX_Environment
(
geometry
,
material
.
specularColor
,
material
.
specularRoughness
);
#ifndef STANDARD
...
...
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