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615bb945
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three.js
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615bb945
编写于
6月 10, 2019
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
JSM: Added module and TS file for DRACOExporter.
上级
0820136c
变更
5
隐藏空白更改
内联
并排
Showing
5 changed file
with
237 addition
and
3 deletion
+237
-3
docs/manual/en/introduction/Import-via-modules.html
docs/manual/en/introduction/Import-via-modules.html
+1
-0
examples/js/exporters/DracoExporter.js
examples/js/exporters/DracoExporter.js
+3
-3
examples/jsm/exporters/DRACOExporter.d.ts
examples/jsm/exporters/DRACOExporter.d.ts
+20
-0
examples/jsm/exporters/DRACOExporter.js
examples/jsm/exporters/DRACOExporter.js
+212
-0
utils/modularize.js
utils/modularize.js
+1
-0
未找到文件。
docs/manual/en/introduction/Import-via-modules.html
浏览文件 @
615bb945
...
...
@@ -124,6 +124,7 @@
<li>
exporters
<ul>
<li>
ColladaExporter
</li>
<li>
DRACOExporter
</li>
<li>
GLTFExporter
</li>
<li>
MMDExporter
</li>
<li>
OBJExporter
</li>
...
...
examples/js/exporters/DracoExporter.js
浏览文件 @
615bb945
'
use strict
'
;
/**
* Export draco compressed files from threejs geometry objects.
*
...
...
@@ -17,6 +15,8 @@
* @author tentone
*/
/* global DracoEncoderModule */
THREE
.
DRACOExporter
=
function
()
{};
THREE
.
DRACOExporter
.
prototype
=
{
...
...
@@ -78,7 +78,7 @@ THREE.DRACOExporter.prototype = {
}
else
{
var
faces
=
new
(
vertices
.
count
>
65535
?
Uint32Array
:
Uint16Array
)
(
vertices
.
count
);
var
faces
=
new
(
vertices
.
count
>
65535
?
Uint32Array
:
Uint16Array
)(
vertices
.
count
);
for
(
var
i
=
0
;
i
<
faces
.
length
;
i
++
)
{
...
...
examples/jsm/exporters/DRACOExporter.d.ts
0 → 100644
浏览文件 @
615bb945
import
{
BufferGeometry
,
Geometry
}
from
'
../../../src/Three
'
;
export
interface
DRACOExporterOptions
{
decodeSpeed
?:
number
;
encodeSpeed
?:
number
;
encoderMethod
?:
number
;
quantization
?:
number
[];
exportUvs
?:
boolean
;
exportNormals
?:
boolean
;
exportColor
?:
boolean
;
}
export
class
DRACOExporter
{
constructor
();
parse
(
geometry
:
BufferGeometry
,
options
:
DRACOExporterOptions
):
Int8Array
;
}
examples/jsm/exporters/DRACOExporter.js
0 → 100644
浏览文件 @
615bb945
/**
* Export draco compressed files from threejs geometry objects.
*
* Draco files are compressed and usually are smaller than conventional 3D file formats.
*
* The exporter receives a options object containing
* - decodeSpeed, indicates how to tune the encoder regarding decode speed (0 gives better speed but worst quality)
* - encodeSpeed, indicates how to tune the encoder parameters (0 gives better speed but worst quality)
* - encoderMethod
* - quantization, indicates the presision of each type of data stored in the draco file in the order (POSITION, NORMAL, COLOR, TEX_COORD, GENERIC)
* - exportUvs
* - exportNormals
*
* @class DRACOExporter
* @author tentone
*/
import
{
BufferGeometry
}
from
"
../../../build/three.module.js
"
;
/* global DracoEncoderModule */
var
DRACOExporter
=
function
()
{};
DRACOExporter
.
prototype
=
{
constructor
:
DRACOExporter
,
parse
:
function
(
geometry
,
options
)
{
if
(
DracoEncoderModule
===
undefined
)
{
throw
new
Error
(
'
THREE.DRACOExporter: required the draco_decoder to work.
'
);
}
if
(
options
===
undefined
)
{
options
=
{
decodeSpeed
:
5
,
encodeSpeed
:
5
,
encoderMethod
:
DRACOExporter
.
MESH_EDGEBREAKER_ENCODING
,
quantization
:
[
16
,
8
,
8
,
8
,
8
],
exportUvs
:
true
,
exportNormals
:
true
,
exportColor
:
false
,
};
}
var
dracoEncoder
=
DracoEncoderModule
();
var
encoder
=
new
dracoEncoder
.
Encoder
();
var
builder
=
new
dracoEncoder
.
MeshBuilder
();
var
mesh
=
new
dracoEncoder
.
Mesh
();
if
(
geometry
.
isGeometry
===
true
)
{
var
bufferGeometry
=
new
BufferGeometry
();
bufferGeometry
.
fromGeometry
(
geometry
);
geometry
=
bufferGeometry
;
}
if
(
geometry
.
isBufferGeometry
!==
true
)
{
throw
new
Error
(
'
THREE.DRACOExporter.parse(geometry, options): geometry is not a THREE.Geometry or BufferGeometry instance.
'
);
}
var
vertices
=
geometry
.
getAttribute
(
'
position
'
);
builder
.
AddFloatAttributeToMesh
(
mesh
,
dracoEncoder
.
POSITION
,
vertices
.
count
,
vertices
.
itemSize
,
vertices
.
array
);
var
faces
=
geometry
.
getIndex
();
if
(
faces
!==
null
)
{
builder
.
AddFacesToMesh
(
mesh
,
faces
.
count
,
faces
.
array
);
}
else
{
var
faces
=
new
(
vertices
.
count
>
65535
?
Uint32Array
:
Uint16Array
)(
vertices
.
count
);
for
(
var
i
=
0
;
i
<
faces
.
length
;
i
++
)
{
faces
[
i
]
=
i
;
}
builder
.
AddFacesToMesh
(
mesh
,
vertices
.
count
,
faces
);
}
if
(
options
.
exportNormals
===
true
)
{
var
normals
=
geometry
.
getAttribute
(
'
normal
'
);
if
(
normals
!==
undefined
)
{
builder
.
AddFloatAttributeToMesh
(
mesh
,
dracoEncoder
.
NORMAL
,
normals
.
count
,
normals
.
itemSize
,
normals
.
array
);
}
}
if
(
options
.
exportUvs
===
true
)
{
var
uvs
=
geometry
.
getAttribute
(
'
uv
'
);
if
(
uvs
!==
undefined
)
{
builder
.
AddFloatAttributeToMesh
(
mesh
,
dracoEncoder
.
TEX_COORD
,
uvs
.
count
,
uvs
.
itemSize
,
uvs
.
array
);
}
}
if
(
options
.
exportColor
===
true
)
{
var
colors
=
geometry
.
getAttribute
(
'
color
'
);
if
(
colors
!==
undefined
)
{
builder
.
AddFloatAttributeToMesh
(
mesh
,
dracoEncoder
.
COLOR
,
colors
.
count
,
colors
.
itemSize
,
colors
.
array
);
}
}
//Compress using draco encoder
var
encodedData
=
new
dracoEncoder
.
DracoInt8Array
();
//Sets the desired encoding and decoding speed for the given options from 0 (slowest speed, but the best compression) to 10 (fastest, but the worst compression).
encoder
.
SetSpeedOptions
(
options
.
encodeSpeed
||
5
,
options
.
decodeSpeed
||
5
);
// Sets the desired encoding method for a given geometry.
if
(
options
.
encoderMethod
!==
undefined
)
{
encoder
.
SetEncodingMethod
(
options
.
encoderMethod
);
}
// Sets the quantization (number of bits used to represent) compression options for a named attribute.
// The attribute values will be quantized in a box defined by the maximum extent of the attribute values.
if
(
options
.
quantization
!==
undefined
)
{
for
(
var
i
=
0
;
i
<
5
;
i
++
)
{
if
(
options
.
quantization
[
i
]
!==
undefined
)
{
encoder
.
SetAttributeQuantization
(
i
,
options
.
quantization
[
i
]
);
}
}
}
var
length
=
encoder
.
EncodeMeshToDracoBuffer
(
mesh
,
encodedData
);
dracoEncoder
.
destroy
(
mesh
);
if
(
length
===
0
)
{
throw
new
Error
(
'
THREE.DRACOExporter: Draco encoding failed.
'
);
}
//Copy encoded data to buffer.
var
outputData
=
new
Int8Array
(
new
ArrayBuffer
(
length
)
);
for
(
var
i
=
0
;
i
<
length
;
i
++
)
{
outputData
[
i
]
=
encodedData
.
GetValue
(
i
);
}
dracoEncoder
.
destroy
(
encodedData
);
dracoEncoder
.
destroy
(
encoder
);
dracoEncoder
.
destroy
(
builder
);
return
outputData
;
}
};
// Encoder methods
DRACOExporter
.
MESH_EDGEBREAKER_ENCODING
=
1
;
DRACOExporter
.
MESH_SEQUENTIAL_ENCODING
=
0
;
// Geometry type
DRACOExporter
.
POINT_CLOUD
=
0
;
DRACOExporter
.
TRIANGULAR_MESH
=
1
;
// Attribute type
DRACOExporter
.
INVALID
=
-
1
;
DRACOExporter
.
POSITION
=
0
;
DRACOExporter
.
NORMAL
=
1
;
DRACOExporter
.
COLOR
=
2
;
DRACOExporter
.
TEX_COORD
=
3
;
DRACOExporter
.
GENERIC
=
4
;
export
{
DRACOExporter
};
utils/modularize.js
浏览文件 @
615bb945
...
...
@@ -41,6 +41,7 @@ var files = [
{
path
:
'
effects/StereoEffect.js
'
,
dependencies
:
[],
ignoreList
:
[]
},
{
path
:
'
exporters/ColladaExporter.js
'
,
dependencies
:
[],
ignoreList
:
[]
},
{
path
:
'
exporters/DRACOExporter.js
'
,
dependencies
:
[],
ignoreList
:
[
'
Geometry
'
]
},
{
path
:
'
exporters/GLTFExporter.js
'
,
dependencies
:
[],
ignoreList
:
[
'
AnimationClip
'
,
'
Camera
'
,
'
Geometry
'
,
'
Material
'
,
'
Mesh
'
,
'
Object3D
'
,
'
RGBFormat
'
,
'
Scenes
'
,
'
ShaderMaterial
'
,
'
VertexColors
'
]
},
{
path
:
'
exporters/MMDExporter.js
'
,
dependencies
:
[],
ignoreList
:
[]
},
{
path
:
'
exporters/OBJExporter.js
'
,
dependencies
:
[],
ignoreList
:
[]
},
...
...
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