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18537f06
T
three.js
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体验新版 GitCode,发现更多精彩内容 >>
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18537f06
编写于
4月 03, 2015
作者:
R
Ricardo Cabello
浏览文件
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差异文件
Merge pull request #6333 from coballast/lazy-loading
Lazy loading of variables in Matrix4
上级
8b645efb
97e29642
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
23 addition
and
12 deletion
+23
-12
src/math/Matrix4.js
src/math/Matrix4.js
+23
-12
未找到文件。
src/math/Matrix4.js
浏览文件 @
18537f06
...
...
@@ -91,15 +91,15 @@ THREE.Matrix4.prototype = {
},
extractBasis
:
function
(
xAxis
,
yAxis
,
zAxis
)
{
var
te
=
this
.
elements
;
xAxis
.
set
(
te
[
0
],
te
[
1
],
te
[
2
]
);
yAxis
.
set
(
te
[
4
],
te
[
5
],
te
[
6
]
);
zAxis
.
set
(
te
[
8
],
te
[
9
],
te
[
10
]
);
return
this
;
},
makeBasis
:
function
(
xAxis
,
yAxis
,
zAxis
)
{
...
...
@@ -117,10 +117,12 @@ THREE.Matrix4.prototype = {
extractRotation
:
function
()
{
var
v1
=
new
THREE
.
Vector3
()
;
var
v1
;
return
function
(
m
)
{
if
(
v1
===
undefined
)
v1
=
new
THREE
.
Vector3
();
var
te
=
this
.
elements
;
var
me
=
m
.
elements
;
...
...
@@ -321,12 +323,14 @@ THREE.Matrix4.prototype = {
lookAt
:
function
()
{
var
x
=
new
THREE
.
Vector3
();
var
y
=
new
THREE
.
Vector3
();
var
z
=
new
THREE
.
Vector3
();
var
x
,
y
,
z
;
return
function
(
eye
,
target
,
up
)
{
if
(
x
===
undefined
)
x
=
new
THREE
.
Vector3
();
if
(
y
===
undefined
)
y
=
new
THREE
.
Vector3
();
if
(
z
===
undefined
)
z
=
new
THREE
.
Vector3
();
var
te
=
this
.
elements
;
z
.
subVectors
(
eye
,
target
).
normalize
();
...
...
@@ -463,10 +467,11 @@ THREE.Matrix4.prototype = {
applyToVector3Array
:
function
()
{
var
v1
=
new
THREE
.
Vector3
()
;
var
v1
;
return
function
(
array
,
offset
,
length
)
{
if
(
v1
===
undefined
)
v1
=
new
THREE
.
Vector3
();
if
(
offset
===
undefined
)
offset
=
0
;
if
(
length
===
undefined
)
length
=
array
.
length
;
...
...
@@ -602,10 +607,11 @@ THREE.Matrix4.prototype = {
getPosition
:
function
()
{
var
v1
=
new
THREE
.
Vector3
()
;
var
v1
;
return
function
()
{
if
(
v1
===
undefined
)
v1
=
new
THREE
.
Vector3
();
THREE
.
warn
(
'
THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead.
'
);
var
te
=
this
.
elements
;
...
...
@@ -674,6 +680,7 @@ THREE.Matrix4.prototype = {
this
.
identity
();
return
this
;
}
this
.
multiplyScalar
(
1
/
det
);
...
...
@@ -854,11 +861,13 @@ THREE.Matrix4.prototype = {
decompose
:
function
()
{
var
vector
=
new
THREE
.
Vector3
();
var
matrix
=
new
THREE
.
Matrix4
();
var
vector
,
matrix
;
return
function
(
position
,
quaternion
,
scale
)
{
if
(
vector
===
undefined
)
vector
=
new
THREE
.
Vector3
();
if
(
matrix
===
undefined
)
matrix
=
new
THREE
.
Matrix4
();
var
te
=
this
.
elements
;
var
sx
=
vector
.
set
(
te
[
0
],
te
[
1
],
te
[
2
]
).
length
();
...
...
@@ -868,7 +877,9 @@ THREE.Matrix4.prototype = {
// if determine is negative, we need to invert one scale
var
det
=
this
.
determinant
();
if
(
det
<
0
)
{
sx
=
-
sx
;
}
position
.
x
=
te
[
12
];
...
...
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