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67d40ba0
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three.js
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67d40ba0
编写于
11月 20, 2016
作者:
M
Mugen87
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
AssimpJSONLoader: BufferGeometry
上级
7d22eac4
变更
1
显示空白变更内容
内联
并排
Showing
1 changed file
with
24 addition
and
91 deletion
+24
-91
examples/js/loaders/AssimpJSONLoader.js
examples/js/loaders/AssimpJSONLoader.js
+24
-91
未找到文件。
examples/js/loaders/AssimpJSONLoader.js
浏览文件 @
67d40ba0
...
...
@@ -105,112 +105,47 @@ THREE.AssimpJSONLoader.prototype = {
parseMesh
:
function
(
json
)
{
var
vertex
,
geometry
,
i
,
e
,
in_data
,
src
;
var
geometry
=
new
THREE
.
BufferGeometry
()
;
var
i
,
l
,
face
;
geometry
=
new
THREE
.
Geometry
()
;
var
indices
=
[]
;
// read vertex positions
for
(
in_data
=
json
.
vertices
,
i
=
0
,
e
=
in_data
.
length
;
i
<
e
;
)
{
var
vertices
=
json
.
vertices
||
[];
var
normals
=
json
.
normals
||
[];
var
uvs
=
json
.
texturecoords
||
[];
var
colors
=
json
.
colors
||
[];
geometry
.
vertices
.
push
(
new
THREE
.
Vector3
(
in_data
[
i
++
],
in_data
[
i
++
],
in_data
[
i
++
]
)
);
uvs
=
uvs
[
0
]
||
[];
// only support for a single set of uvs
}
// read faces
var
cnt
=
0
;
for
(
in_data
=
json
.
faces
,
i
=
0
,
e
=
in_data
.
length
;
i
<
e
;
++
i
)
{
for
(
i
=
0
,
l
=
json
.
faces
.
length
;
i
<
l
;
i
++
)
{
src
=
in_data
[
i
];
var
face
=
new
THREE
.
Face3
(
src
[
0
],
src
[
1
],
src
[
2
]
);
geometry
.
faces
.
push
(
face
);
face
=
json
.
faces
[
i
];
indices
.
push
(
face
[
0
],
face
[
1
],
face
[
2
]
);
}
// read texture coordinates - three.js attaches them to its faces
json
.
texturecoords
=
json
.
texturecoords
||
[];
for
(
i
=
0
,
e
=
json
.
texturecoords
.
length
;
i
<
e
;
++
i
)
{
function
convertTextureCoords
(
in_uv
,
out_faces
,
out_vertex_uvs
)
{
var
i
,
e
,
face
,
a
,
b
,
c
;
for
(
i
=
0
,
e
=
out_faces
.
length
;
i
<
e
;
++
i
)
{
face
=
out_faces
[
i
];
a
=
face
.
a
*
2
;
b
=
face
.
b
*
2
;
c
=
face
.
c
*
2
;
out_vertex_uvs
.
push
(
[
new
THREE
.
Vector2
(
in_uv
[
a
],
in_uv
[
a
+
1
]
),
new
THREE
.
Vector2
(
in_uv
[
b
],
in_uv
[
b
+
1
]
),
new
THREE
.
Vector2
(
in_uv
[
c
],
in_uv
[
c
+
1
]
)
]
);
}
geometry
.
setIndex
(
new
(
indices
.
length
>
65535
?
THREE
.
Uint32BufferAttribute
:
THREE
.
Uint16BufferAttribute
)(
indices
,
1
)
);
geometry
.
addAttribute
(
'
position
'
,
new
THREE
.
Float32BufferAttribute
(
vertices
,
3
)
);
}
if
(
normals
.
length
>
0
)
{
convertTextureCoords
(
json
.
texturecoords
[
i
],
geometry
.
faces
,
geometry
.
faceVertexUvs
[
i
]
);
geometry
.
addAttribute
(
'
normal
'
,
new
THREE
.
Float32BufferAttribute
(
normals
,
3
)
);
}
// read normals - three.js also attaches them to its faces
if
(
json
.
normals
)
{
function
convertNormals
(
in_nor
,
out_faces
)
{
var
i
,
e
,
face
,
a
,
b
,
c
;
if
(
uvs
.
length
>
0
)
{
for
(
i
=
0
,
e
=
out_faces
.
length
;
i
<
e
;
++
i
)
{
face
=
out_faces
[
i
];
a
=
face
.
a
*
3
;
b
=
face
.
b
*
3
;
c
=
face
.
c
*
3
;
face
.
vertexNormals
=
[
new
THREE
.
Vector3
(
in_nor
[
a
],
in_nor
[
a
+
1
],
in_nor
[
a
+
2
]
),
new
THREE
.
Vector3
(
in_nor
[
b
],
in_nor
[
b
+
1
],
in_nor
[
b
+
2
]
),
new
THREE
.
Vector3
(
in_nor
[
c
],
in_nor
[
c
+
1
],
in_nor
[
c
+
2
]
)
];
geometry
.
addAttribute
(
'
uv
'
,
new
THREE
.
Float32BufferAttribute
(
uvs
,
2
)
);
}
}
if
(
colors
.
length
>
0
)
{
convertNormals
(
json
.
normals
,
geometry
.
faces
);
geometry
.
addAttribute
(
'
color
'
,
new
THREE
.
Float32BufferAttribute
(
colors
,
3
)
);
}
// read vertex colors - three.js also attaches them to its faces
if
(
json
.
colors
&&
json
.
colors
[
0
]
)
{
function
convertColors
(
in_color
,
out_faces
)
{
for
(
var
i
=
0
,
e
=
out_faces
.
length
;
i
<
e
;
++
i
)
{
var
face
=
out_faces
[
i
];
var
a
=
face
.
a
*
4
;
var
b
=
face
.
b
*
4
;
var
c
=
face
.
c
*
4
;
face
.
vertexColors
=
[
new
THREE
.
Color
().
fromArray
(
a
),
new
THREE
.
Color
().
fromArray
(
b
),
new
THREE
.
Color
().
fromArray
(
c
)
];
}
}
convertColors
(
json
.
colors
[
0
],
geometry
.
faces
);
}
//geometry.computeFaceNormals();
//geometry.computeVertexNormals();
geometry
.
computeBoundingSphere
();
return
geometry
;
...
...
@@ -219,8 +154,9 @@ THREE.AssimpJSONLoader.prototype = {
parseMaterial
:
function
(
json
)
{
var
mat
=
null
,
scope
=
this
,
i
,
prop
,
has_textures
=
[],
var
mat
=
null
;
var
scope
=
this
;
var
i
,
prop
,
has_textures
=
[],
init_props
=
{
shading
:
THREE
.
SmoothShading
...
...
@@ -243,7 +179,7 @@ THREE.AssimpJSONLoader.prototype = {
}
for
(
var
i
in
json
.
properties
)
{
for
(
i
in
json
.
properties
)
{
prop
=
json
.
properties
[
i
];
...
...
@@ -357,10 +293,7 @@ THREE.AssimpJSONLoader.prototype = {
parseObject
:
function
(
json
,
node
,
meshes
,
materials
)
{
var
obj
=
new
THREE
.
Object3D
()
,
i
,
idx
;
var
obj
=
new
THREE
.
Object3D
(),
i
,
idx
;
obj
.
name
=
node
.
name
||
""
;
obj
.
matrix
=
new
THREE
.
Matrix4
().
fromArray
(
node
.
transformation
).
transpose
();
...
...
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