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three.js
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ff67978e
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three.js
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体验新版 GitCode,发现更多精彩内容 >>
提交
ff67978e
编写于
1月 14, 2013
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
Projector: Reusing point arrays.
上级
8b6dd1a4
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
177 addition
and
155 deletion
+177
-155
build/three.js
build/three.js
+13
-2
build/three.min.js
build/three.min.js
+151
-151
src/core/Projector.js
src/core/Projector.js
+13
-2
未找到文件。
build/three.js
浏览文件 @
ff67978e
...
...
@@ -6235,6 +6235,8 @@ THREE.Projector = function() {
_clipBox = new THREE.Box3( new THREE.Vector3( -1, -1, -1 ), new THREE.Vector3( 1, 1, 1 ) ),
_boundingBox = new THREE.Box3(),
_points3 = new Array( 3 ),
_points4 = new Array( 4 ),
_viewMatrix = new THREE.Matrix4(),
_viewProjectionMatrix = new THREE.Matrix4(),
...
...
@@ -6475,8 +6477,12 @@ THREE.Projector = function() {
v2 = _vertexPool[ face.b ];
v3 = _vertexPool[ face.c ];
_points3[ 0 ] = v1.positionScreen;
_points3[ 1 ] = v2.positionScreen;
_points3[ 2 ] = v3.positionScreen;
if ( v1.visible === true || v2.visible === true || v3.visible === true ||
_clipBox.isIntersectionBox( _boundingBox.setFromPoints(
[ v1.positionScreen, v2.positionScreen, v3.positionScreen ]
) ) ) {
_clipBox.isIntersectionBox( _boundingBox.setFromPoints(
_points3
) ) ) {
visible = ( ( v3.positionScreen.x - v1.positionScreen.x ) * ( v2.positionScreen.y - v1.positionScreen.y ) -
( v3.positionScreen.y - v1.positionScreen.y ) * ( v2.positionScreen.x - v1.positionScreen.x ) ) < 0;
...
...
@@ -6508,8 +6514,13 @@ THREE.Projector = function() {
v3 = _vertexPool[ face.c ];
v4 = _vertexPool[ face.d ];
_points4[ 0 ] = v1.positionScreen;
_points4[ 1 ] = v2.positionScreen;
_points4[ 2 ] = v3.positionScreen;
_points4[ 3 ] = v4.positionScreen;
if ( v1.visible === true || v2.visible === true || v3.visible === true || v4.visible === true ||
_clipBox.isIntersectionBox( _boundingBox.setFromPoints(
[ v1.positionScreen, v2.positionScreen, v3.positionScreen, v4.positionScreen ]
) ) ) {
_clipBox.isIntersectionBox( _boundingBox.setFromPoints(
_points4
) ) ) {
visible = ( v4.positionScreen.x - v1.positionScreen.x ) * ( v2.positionScreen.y - v1.positionScreen.y ) -
( v4.positionScreen.y - v1.positionScreen.y ) * ( v2.positionScreen.x - v1.positionScreen.x ) < 0 ||
...
...
build/three.min.js
浏览文件 @
ff67978e
因为 它太大了无法显示 source diff 。你可以改为
查看blob
。
src/core/Projector.js
浏览文件 @
ff67978e
...
...
@@ -20,6 +20,8 @@ THREE.Projector = function() {
_clipBox
=
new
THREE
.
Box3
(
new
THREE
.
Vector3
(
-
1
,
-
1
,
-
1
),
new
THREE
.
Vector3
(
1
,
1
,
1
)
),
_boundingBox
=
new
THREE
.
Box3
(),
_points3
=
new
Array
(
3
),
_points4
=
new
Array
(
4
),
_viewMatrix
=
new
THREE
.
Matrix4
(),
_viewProjectionMatrix
=
new
THREE
.
Matrix4
(),
...
...
@@ -260,8 +262,12 @@ THREE.Projector = function() {
v2
=
_vertexPool
[
face
.
b
];
v3
=
_vertexPool
[
face
.
c
];
_points3
[
0
]
=
v1
.
positionScreen
;
_points3
[
1
]
=
v2
.
positionScreen
;
_points3
[
2
]
=
v3
.
positionScreen
;
if
(
v1
.
visible
===
true
||
v2
.
visible
===
true
||
v3
.
visible
===
true
||
_clipBox
.
isIntersectionBox
(
_boundingBox
.
setFromPoints
(
[
v1
.
positionScreen
,
v2
.
positionScreen
,
v3
.
positionScreen
]
)
)
)
{
_clipBox
.
isIntersectionBox
(
_boundingBox
.
setFromPoints
(
_points3
)
)
)
{
visible
=
(
(
v3
.
positionScreen
.
x
-
v1
.
positionScreen
.
x
)
*
(
v2
.
positionScreen
.
y
-
v1
.
positionScreen
.
y
)
-
(
v3
.
positionScreen
.
y
-
v1
.
positionScreen
.
y
)
*
(
v2
.
positionScreen
.
x
-
v1
.
positionScreen
.
x
)
)
<
0
;
...
...
@@ -293,8 +299,13 @@ THREE.Projector = function() {
v3
=
_vertexPool
[
face
.
c
];
v4
=
_vertexPool
[
face
.
d
];
_points4
[
0
]
=
v1
.
positionScreen
;
_points4
[
1
]
=
v2
.
positionScreen
;
_points4
[
2
]
=
v3
.
positionScreen
;
_points4
[
3
]
=
v4
.
positionScreen
;
if
(
v1
.
visible
===
true
||
v2
.
visible
===
true
||
v3
.
visible
===
true
||
v4
.
visible
===
true
||
_clipBox
.
isIntersectionBox
(
_boundingBox
.
setFromPoints
(
[
v1
.
positionScreen
,
v2
.
positionScreen
,
v3
.
positionScreen
,
v4
.
positionScreen
]
)
)
)
{
_clipBox
.
isIntersectionBox
(
_boundingBox
.
setFromPoints
(
_points4
)
)
)
{
visible
=
(
v4
.
positionScreen
.
x
-
v1
.
positionScreen
.
x
)
*
(
v2
.
positionScreen
.
y
-
v1
.
positionScreen
.
y
)
-
(
v4
.
positionScreen
.
y
-
v1
.
positionScreen
.
y
)
*
(
v2
.
positionScreen
.
x
-
v1
.
positionScreen
.
x
)
<
0
||
...
...
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