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00421026
T
three.js
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体验新版 GitCode,发现更多精彩内容 >>
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00421026
编写于
12月 18, 2013
作者:
M
Mr.doob
浏览文件
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浏览文件
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差异文件
Merge branch 'wireframe3' of
https://github.com/valette/three.js
into dev
上级
c5c9e20c
e61d01ff
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
53 addition
and
15 deletion
+53
-15
src/extras/helpers/WireframeHelper.js
src/extras/helpers/WireframeHelper.js
+53
-15
未找到文件。
src/extras/helpers/WireframeHelper.js
浏览文件 @
00421026
...
...
@@ -62,32 +62,40 @@ THREE.WireframeHelper = function ( object ) {
}
}
else
{
}
else
if
(
object
.
geometry
.
offsets
)
{
var
vertices
=
object
.
geometry
.
attributes
.
position
.
array
;
var
faces
=
object
.
geometry
.
attributes
.
index
.
array
;
var
indices
=
object
.
geometry
.
attributes
.
index
.
array
;
var
offsets
=
object
.
geometry
.
offsets
// allocate maximal size
var
edges
=
new
Uint32Array
(
2
*
fa
ces
.
length
);
var
edges
=
new
Uint32Array
(
2
*
indi
ces
.
length
);
for
(
var
i
=
0
,
l
=
faces
.
length
/
3
;
i
<
l
;
i
++
)
{
for
(
var
o
=
0
,
ol
=
offsets
.
length
;
o
<
ol
;
++
o
)
{
for
(
var
j
=
0
;
j
<
3
;
j
++
)
{
var
start
=
offsets
[
o
].
start
;
var
count
=
offsets
[
o
].
count
;
var
index
=
offsets
[
o
].
index
;
var
il
;
var
index
=
i
*
3
;
for
(
var
i
=
start
,
il
=
start
+
count
;
i
<
il
;
i
+=
3
)
{
edge
[
0
]
=
faces
[
index
+
j
];
edge
[
1
]
=
faces
[
index
+
(
j
+
1
)
%
3
];
edge
.
sort
(
sortFunction
);
for
(
var
j
=
0
;
j
<
3
;
j
++
)
{
var
key
=
edge
.
toString
();
edge
[
0
]
=
index
+
indices
[
i
+
j
];
edge
[
1
]
=
index
+
indices
[
i
+
(
j
+
1
)
%
3
];
edge
.
sort
(
sortFunction
);
if
(
hash
[
key
]
===
undefined
)
{
var
key
=
edge
.
toString
();
edges
[
2
*
numEdges
]
=
edge
[
0
];
edges
[
2
*
numEdges
+
1
]
=
edge
[
1
];
hash
[
key
]
=
true
;
numEdges
++
;
if
(
hash
[
key
]
===
undefined
)
{
edges
[
2
*
numEdges
]
=
edge
[
0
];
edges
[
2
*
numEdges
+
1
]
=
edge
[
1
];
hash
[
key
]
=
true
;
numEdges
++
;
}
}
...
...
@@ -112,6 +120,36 @@ THREE.WireframeHelper = function ( object ) {
}
}
}
else
{
var
vertices
=
object
.
geometry
.
attributes
.
position
.
array
;
var
numEdges
=
vertices
.
length
/
3
;
var
numTris
=
numEdges
/
3
;
geometry
.
addAttribute
(
'
position
'
,
Float32Array
,
2
*
numEdges
,
3
);
var
coords
=
geometry
.
attributes
.
position
.
array
;
for
(
var
i
=
0
,
l
=
numTris
;
i
<
l
;
i
++
)
{
var
index
=
i
*
9
;
var
index2
=
2
*
index
;
for
(
var
j
=
0
;
j
<
3
;
j
++
)
{
var
vertex1
=
j
*
3
;
var
vertex2
=
(
(
j
+
1
)
%
3
)
*
3
;
coords
[
index2
+
0
]
=
vertices
[
index
+
vertex1
];
coords
[
index2
+
1
]
=
vertices
[
index
+
vertex1
+
1
];
coords
[
index2
+
2
]
=
vertices
[
index
+
vertex1
+
2
];
coords
[
index2
+
3
]
=
vertices
[
index
+
vertex2
];
coords
[
index2
+
4
]
=
vertices
[
index
+
vertex2
+
1
];
coords
[
index2
+
5
]
=
vertices
[
index
+
vertex2
+
2
];
}
}
}
THREE
.
Line
.
call
(
this
,
geometry
,
new
THREE
.
LineBasicMaterial
(
{
color
:
0xffffff
}
),
THREE
.
LinePieces
);
...
...
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