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three.js
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94e47d47
T
three.js
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体验新版 GitCode,发现更多精彩内容 >>
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94e47d47
编写于
10月 25, 2018
作者:
M
Mr.doob
提交者:
GitHub
10月 25, 2018
浏览文件
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差异文件
Merge pull request #14547 from erasta/dev_geomfrombuff
Reduce memory allocation on Geometry.fromBufferGeometry
上级
ceeeba46
2c7393a7
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
22 addition
and
28 deletion
+22
-28
src/core/Geometry.js
src/core/Geometry.js
+22
-28
未找到文件。
src/core/Geometry.js
浏览文件 @
94e47d47
...
...
@@ -228,35 +228,13 @@ Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
if
(
uvs2
!==
undefined
)
this
.
faceVertexUvs
[
1
]
=
[];
var
tempNormals
=
[];
var
tempUVs
=
[];
var
tempUVs2
=
[];
for
(
var
i
=
0
,
j
=
0
;
i
<
positions
.
length
;
i
+=
3
,
j
+=
2
)
{
scope
.
vertices
.
push
(
new
Vector3
(
positions
[
i
],
positions
[
i
+
1
],
positions
[
i
+
2
]
)
);
if
(
normals
!==
undefined
)
{
tempNormals
.
push
(
new
Vector3
(
normals
[
i
],
normals
[
i
+
1
],
normals
[
i
+
2
]
)
);
}
scope
.
vertices
.
push
(
new
Vector3
().
fromArray
(
positions
,
i
)
);
if
(
colors
!==
undefined
)
{
scope
.
colors
.
push
(
new
Color
(
colors
[
i
],
colors
[
i
+
1
],
colors
[
i
+
2
]
)
);
}
if
(
uvs
!==
undefined
)
{
tempUVs
.
push
(
new
Vector2
(
uvs
[
j
],
uvs
[
j
+
1
]
)
);
}
if
(
uvs2
!==
undefined
)
{
tempUVs2
.
push
(
new
Vector2
(
uvs2
[
j
],
uvs2
[
j
+
1
]
)
);
scope
.
colors
.
push
(
new
Color
().
fromArray
(
colors
,
i
)
);
}
...
...
@@ -264,8 +242,16 @@ Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
function
addFace
(
a
,
b
,
c
,
materialIndex
)
{
var
vertexNormals
=
normals
!==
undefined
?
[
tempNormals
[
a
].
clone
(),
tempNormals
[
b
].
clone
(),
tempNormals
[
c
].
clone
()
]
:
[];
var
vertexColors
=
colors
!==
undefined
?
[
scope
.
colors
[
a
].
clone
(),
scope
.
colors
[
b
].
clone
(),
scope
.
colors
[
c
].
clone
()
]
:
[];
var
vertexColors
=
(
colors
===
undefined
)
?
[]
:
[
scope
.
colors
[
a
].
clone
(),
scope
.
colors
[
b
].
clone
(),
scope
.
colors
[
c
].
clone
()
];
var
vertexNormals
=
(
normals
===
undefined
)
?
[]
:
[
new
Vector3
().
fromArray
(
normals
,
a
*
3
),
new
Vector3
().
fromArray
(
normals
,
b
*
3
),
new
Vector3
().
fromArray
(
normals
,
c
*
3
)
];
var
face
=
new
Face3
(
a
,
b
,
c
,
vertexNormals
,
vertexColors
,
materialIndex
);
...
...
@@ -273,13 +259,21 @@ Geometry.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
if
(
uvs
!==
undefined
)
{
scope
.
faceVertexUvs
[
0
].
push
(
[
tempUVs
[
a
].
clone
(),
tempUVs
[
b
].
clone
(),
tempUVs
[
c
].
clone
()
]
);
scope
.
faceVertexUvs
[
0
].
push
(
[
new
Vector2
().
fromArray
(
uvs
,
a
*
2
),
new
Vector2
().
fromArray
(
uvs
,
b
*
2
),
new
Vector2
().
fromArray
(
uvs
,
c
*
2
)
]
);
}
if
(
uvs2
!==
undefined
)
{
scope
.
faceVertexUvs
[
1
].
push
(
[
tempUVs2
[
a
].
clone
(),
tempUVs2
[
b
].
clone
(),
tempUVs2
[
c
].
clone
()
]
);
scope
.
faceVertexUvs
[
1
].
push
(
[
new
Vector2
().
fromArray
(
uvs2
,
a
*
2
),
new
Vector2
().
fromArray
(
uvs2
,
b
*
2
),
new
Vector2
().
fromArray
(
uvs2
,
c
*
2
)
]
);
}
...
...
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