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three.js
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6e0c0aae
T
three.js
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体验新版 GitCode,发现更多精彩内容 >>
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6e0c0aae
编写于
12月 05, 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
Simplified Geometry's boundingSphere and boundingBox checks.
上级
11f6d92f
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
17 addition
and
28 deletion
+17
-28
src/core/BufferGeometry.js
src/core/BufferGeometry.js
+7
-5
src/core/Geometry.js
src/core/Geometry.js
+8
-12
src/math/Sphere.js
src/math/Sphere.js
+2
-11
未找到文件。
src/core/BufferGeometry.js
浏览文件 @
6e0c0aae
...
...
@@ -69,7 +69,7 @@ THREE.BufferGeometry.prototype = {
computeBoundingBox
:
function
()
{
if
(
!
this
.
boundingBox
)
{
if
(
this
.
boundingBox
===
null
)
{
this
.
boundingBox
=
new
THREE
.
Box3
();
...
...
@@ -141,8 +141,10 @@ THREE.BufferGeometry.prototype = {
computeBoundingSphere
:
function
()
{
if
(
!
this
.
boundingSphere
)
{
if
(
this
.
boundingSphere
===
null
)
{
this
.
boundingSphere
=
new
THREE
.
Sphere
();
}
var
positions
=
this
.
attributes
[
"
position
"
].
array
;
...
...
@@ -251,15 +253,15 @@ THREE.BufferGeometry.prototype = {
ab
.
sub
(
pA
,
pB
);
cb
.
crossSelf
(
ab
);
normals
[
vA
*
3
]
+=
cb
.
x
;
normals
[
vA
*
3
]
+=
cb
.
x
;
normals
[
vA
*
3
+
1
]
+=
cb
.
y
;
normals
[
vA
*
3
+
2
]
+=
cb
.
z
;
normals
[
vB
*
3
]
+=
cb
.
x
;
normals
[
vB
*
3
]
+=
cb
.
x
;
normals
[
vB
*
3
+
1
]
+=
cb
.
y
;
normals
[
vB
*
3
+
2
]
+=
cb
.
z
;
normals
[
vC
*
3
]
+=
cb
.
x
;
normals
[
vC
*
3
]
+=
cb
.
x
;
normals
[
vC
*
3
+
1
]
+=
cb
.
y
;
normals
[
vC
*
3
+
2
]
+=
cb
.
z
;
...
...
src/core/Geometry.js
浏览文件 @
6e0c0aae
...
...
@@ -577,30 +577,26 @@ THREE.Geometry.prototype = {
computeBoundingBox
:
function
()
{
if
(
!
this
.
boundingBox
)
{
if
(
this
.
boundingBox
===
null
)
{
this
.
boundingBox
=
new
THREE
.
Box3
().
setFromPoints
(
this
.
vertices
);
}
else
{
this
.
boundingBox
.
setFromPoints
(
this
.
vertices
);
this
.
boundingBox
=
new
THREE
.
Box3
();
}
this
.
boundingBox
.
setFromPoints
(
this
.
vertices
);
},
computeBoundingSphere
:
function
()
{
if
(
!
this
.
boundingSphere
)
{
if
(
this
.
boundingSphere
===
null
)
{
this
.
boundingSphere
=
new
THREE
.
Sphere
().
setFromCenterAndPoints
(
new
THREE
.
Vector3
(),
this
.
vertices
);
}
else
{
this
.
boundingSphere
.
setFromCenterAndPoints
(
this
.
boundingSphere
.
center
,
this
.
vertices
);
this
.
boundingSphere
=
new
THREE
.
Sphere
();
}
this
.
boundingSphere
.
setFromCenterAndPoints
(
this
.
boundingSphere
.
center
,
this
.
vertices
);
},
/*
...
...
src/math/Sphere.js
浏览文件 @
6e0c0aae
...
...
@@ -4,17 +4,8 @@
THREE
.
Sphere
=
function
(
center
,
radius
)
{
if
(
center
===
undefined
&&
radius
===
undefined
)
{
this
.
center
=
new
THREE
.
Vector3
();
this
.
radius
=
0
;
}
else
{
this
.
center
=
center
.
clone
();
this
.
radius
=
radius
||
0
;
}
this
.
center
=
center
===
undefined
?
new
THREE
.
Vector3
()
:
center
.
clone
();
this
.
radius
=
radius
===
undefined
?
0
:
radius
;
};
...
...
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