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three.js
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0a694cf3
T
three.js
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体验新版 GitCode,发现更多精彩内容 >>
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0a694cf3
编写于
4月 17, 2012
作者:
M
Mr.doob
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
OBJLoader now supports quads. Code is getting messier, but readable still.
上级
22e8f937
变更
1
显示空白变更内容
内联
并排
Showing
1 changed file
with
59 addition
and
14 deletion
+59
-14
examples/js/loaders/OBJLoader.js
examples/js/loaders/OBJLoader.js
+59
-14
未找到文件。
examples/js/loaders/OBJLoader.js
浏览文件 @
0a694cf3
...
...
@@ -33,49 +33,94 @@ THREE.OBJLoader.prototype.parse = function ( data, callback ) {
var
geometry
=
new
THREE
.
Geometry
();
function
vertex
(
a
,
b
,
c
)
{
return
new
THREE
.
Vector3
(
parseFloat
(
a
),
parseFloat
(
b
),
parseFloat
(
c
)
);
}
function
face3
(
a
,
b
,
c
)
{
return
new
THREE
.
Face3
(
parseInt
(
a
)
-
1
,
parseInt
(
b
)
-
1
,
parseInt
(
c
)
-
1
);
}
function
face4
(
a
,
b
,
c
,
d
)
{
return
new
THREE
.
Face4
(
parseInt
(
a
)
-
1
,
parseInt
(
b
)
-
1
,
parseInt
(
c
)
-
1
,
parseInt
(
d
)
-
1
);
}
var
pattern
,
result
;
// vertices
// v float float float ...
// ["v 1.0 2.0 3.0", "1.0", "2.0", "3.0", undefined]
pattern
=
/v
(
[\-
|
\d
|.
]
+
)(
[\-
|
\d
|.
]
+
)(
[\-
|
\d
|.
]
+
)(
[\-
|
\d
|.
]
+
)?
/g
;
while
(
(
result
=
pattern
.
exec
(
data
)
)
!=
null
)
{
geometry
.
vertices
.
push
(
vertex
(
result
[
1
],
result
[
2
],
result
[
3
]
)
);
}
// f vertex vertex vertex ...
// ["f 1 2 3", "1", "2", "3", undefined]
pattern
=
/
v
([\-
|
\d
|.
]
+
)
([\-
|
\d
|.
]
+
)
([\-
|
\d
|.
]
+
)
/g
;
pattern
=
/
f
(
[\d]
+
)(
[\d]
+
)(
[\d]
+
)(
[\d]
+
)?
/g
;
while
(
(
result
=
pattern
.
exec
(
data
)
)
!=
null
)
{
var
vertex
=
new
THREE
.
Vector3
(
parseFloat
(
result
[
1
]
),
parseFloat
(
result
[
2
]
),
parseFloat
(
result
[
3
]
)
);
geometry
.
vertices
.
push
(
vertex
);
geometry
.
faces
.
push
(
result
[
4
]
===
undefined
?
face3
(
result
[
1
],
result
[
2
],
result
[
3
]
)
:
face4
(
result
[
1
],
result
[
2
],
result
[
3
],
result
[
4
]
)
);
}
// faces: vertex/uv
// f vertex/uv vertex/uv vertex/uv ...
// ["f 1/1 2/2 3/3", " 1/1", "1", "1", " 2/2", "2", "2", " 3/3", "3", "3", undefined, undefined, undefined]
pattern
=
/f
([\d]
+
)\/([\d]
+
)
([\d]
+
)\/([\d]
+
)
([\d]
+
)\/([\d]
+
)
/g
;
while
(
(
result
=
pattern
.
exec
(
data
)
)
!=
null
)
{
var
face
=
new
THREE
.
Face3
(
parseInt
(
result
[
1
]
)
-
1
,
parseInt
(
result
[
3
]
)
-
1
,
parseInt
(
result
[
5
]
)
-
1
);
geometry
.
faces
.
push
(
face
);
geometry
.
faces
.
push
(
result
[
10
]
===
undefined
?
face3
(
result
[
2
],
result
[
5
],
result
[
8
]
)
:
face4
(
result
[
2
],
result
[
5
],
result
[
8
],
result
[
11
]
)
);
}
// faces: vertex/uv/normal
// f vertex/uv/normal vertex/uv/normal vertex/uv/normal ...
// ["f 1/1/1 2/2/2 3/3/3", " 1/1/1", "1", "1", "1", " 2/2/2", "2", "2", "2", " 3/3/3", "3", "3", "3", undefined, undefined, undefined, undefined]
pattern
=
/f
([\d]
+
)\/([\d]
+
)\/([\d]
+
)
([\d]
+
)\/([\d]
+
)\/([\d]
+
)
([\d]
+
)\/([\d]
+
)\/([\d]
+
)
/g
;
pattern
=
/f
(
([\d]
+
)\/([\d]
+
)\/([\d]
+
))(
([\d]
+
)\/([\d]
+
)\/([\d]
+
))(
([\d]
+
)\/([\d]
+
)\/([\d]
+
))(
([\d]
+
)\/([\d]
+
)\/([\d]
+
))?
/g
;
while
(
(
result
=
pattern
.
exec
(
data
)
)
!=
null
)
{
var
face
=
new
THREE
.
Face3
(
parseInt
(
result
[
1
]
)
-
1
,
parseInt
(
result
[
4
]
)
-
1
,
parseInt
(
result
[
7
]
)
-
1
);
geometry
.
faces
.
push
(
face
);
geometry
.
faces
.
push
(
result
[
13
]
===
undefined
?
face3
(
result
[
2
],
result
[
6
],
result
[
10
]
)
:
face4
(
result
[
2
],
result
[
6
],
result
[
10
],
result
[
14
]
)
);
}
// faces: vertex/normal
// f vertex//normal vertex//normal vertex//normal ...
// ["f 1//1 2//2 3//3", " 1//1", "1", "1", " 2//2", "2", "2", " 3//3", "3", "3", undefined, undefined, undefined]
pattern
=
/f
([\d]
+
)\/\/([\d]
+
)
([\d]
+
)\/\/([\d]
+
)
([\d]
+
)\/\/([\d]
+
)
/g
;
while
(
(
result
=
pattern
.
exec
(
data
)
)
!=
null
)
{
var
face
=
new
THREE
.
Face3
(
parseInt
(
result
[
1
]
)
-
1
,
parseInt
(
result
[
3
]
)
-
1
,
parseInt
(
result
[
5
]
)
-
1
);
geometry
.
faces
.
push
(
face
);
geometry
.
faces
.
push
(
result
[
10
]
===
undefined
?
face3
(
result
[
2
],
result
[
5
],
result
[
8
]
)
:
face4
(
result
[
2
],
result
[
5
],
result
[
8
],
result
[
11
]
)
);
}
...
...
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