Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
Ablesons
three.js
提交
23c47355
T
three.js
项目概览
Ablesons
/
three.js
与 Fork 源项目一致
从无法访问的项目Fork
通知
2
Star
0
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
T
three.js
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
提交
Issue看板
体验新版 GitCode,发现更多精彩内容 >>
提交
23c47355
编写于
5月 15, 2012
作者:
M
Mr.doob
浏览文件
操作
浏览文件
下载
差异文件
Merge remote-tracking branch 'niklassa/patch-1' into dev
上级
41b155cb
2f6a46e8
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
42 addition
and
7 deletion
+42
-7
src/core/Ray.js
src/core/Ray.js
+42
-7
未找到文件。
src/core/Ray.js
浏览文件 @
23c47355
...
...
@@ -2,10 +2,12 @@
* @author mr.doob / http://mrdoob.com/
*/
THREE
.
Ray
=
function
(
origin
,
direction
)
{
THREE
.
Ray
=
function
(
origin
,
direction
,
near
,
far
)
{
this
.
origin
=
origin
||
new
THREE
.
Vector3
();
this
.
direction
=
direction
||
new
THREE
.
Vector3
();
this
.
near
=
near
||
0
;
this
.
far
=
far
||
Infinity
;
var
precision
=
0.0001
;
...
...
@@ -39,7 +41,19 @@ THREE.Ray = function ( origin, direction ) {
if
(
object
instanceof
THREE
.
Particle
)
{
var
distance
=
distanceFromIntersection
(
this
.
origin
,
this
.
direction
,
object
.
matrixWorld
.
getPosition
()
);
var
distance
;
// Checking range, note that distance may be actually greater then this.range,
// because we also consider object.scale.x
if
(
this
.
far
<
Infinity
||
this
.
near
>
0
)
{
distance
=
vector
.
sub
(
this
.
origin
,
object
.
matrixWorld
.
getPosition
()).
length
();
if
(
distance
>
object
.
scale
.
x
+
this
.
far
)
return
[];
if
(
distance
<
-
object
.
scale
.
x
+
this
.
near
)
return
[];
}
distance
=
distanceFromIntersection
(
this
.
origin
,
this
.
direction
,
object
.
matrixWorld
.
getPosition
()
);
if
(
distance
>
object
.
scale
.
x
)
{
...
...
@@ -60,12 +74,27 @@ THREE.Ray = function ( origin, direction ) {
}
else
if
(
object
instanceof
THREE
.
Mesh
)
{
// Checking boundingSphere
var
distance
=
distanceFromIntersection
(
this
.
origin
,
this
.
direction
,
object
.
matrixWorld
.
getPosition
()
);
// Checking boundingSphere
var
scale
=
THREE
.
Frustum
.
__v1
.
set
(
object
.
matrixWorld
.
getColumnX
().
length
(),
object
.
matrixWorld
.
getColumnY
().
length
(),
object
.
matrixWorld
.
getColumnZ
().
length
()
);
var
scaledRadius
=
object
.
geometry
.
boundingSphere
.
radius
*
Math
.
max
(
scale
.
x
,
Math
.
max
(
scale
.
y
,
scale
.
z
)
);
var
distance
;
if
(
distance
>
object
.
geometry
.
boundingSphere
.
radius
*
Math
.
max
(
scale
.
x
,
Math
.
max
(
scale
.
y
,
scale
.
z
)
)
)
{
// Checking distance to origin
if
(
this
.
far
<
Infinity
||
this
.
near
>
0
)
{
distance
=
vector
.
sub
(
object
.
matrixWorld
.
getPosition
(),
this
.
origin
).
length
();
if
(
distance
>
scaledRadius
+
this
.
far
)
return
intersects
;
if
(
distance
<
-
scaledRadius
+
this
.
near
)
return
intersects
;
}
// Checking distance to ray
distance
=
distanceFromIntersection
(
this
.
origin
,
this
.
direction
,
object
.
matrixWorld
.
getPosition
()
);
if
(
distance
>
scaledRadius
)
{
return
intersects
;
...
...
@@ -74,6 +103,7 @@ THREE.Ray = function ( origin, direction ) {
// Checking faces
var
f
,
fl
,
face
,
dot
,
scalar
,
rangeSq
=
this
.
range
*
this
.
range
,
geometry
=
object
.
geometry
,
vertices
=
geometry
.
vertices
,
objMatrix
;
...
...
@@ -112,6 +142,11 @@ THREE.Ray = function ( origin, direction ) {
intersectPoint
.
add
(
originCopy
,
directionCopy
.
multiplyScalar
(
scalar
)
);
// Checking distance to origin (would be calculated anyway)
distance
=
originCopy
.
distanceTo
(
intersectPoint
);
if
(
distance
>
this
.
far
)
continue
;
if
(
distance
<
this
.
near
)
continue
;
if
(
face
instanceof
THREE
.
Face3
)
{
a
=
objMatrix
.
multiplyVector3
(
a
.
copy
(
vertices
[
face
.
a
]
)
);
...
...
@@ -122,7 +157,7 @@ THREE.Ray = function ( origin, direction ) {
intersect
=
{
distance
:
originCopy
.
distanceTo
(
intersectPoint
)
,
distance
:
distance
,
point
:
intersectPoint
.
clone
(),
face
:
face
,
object
:
object
...
...
@@ -144,7 +179,7 @@ THREE.Ray = function ( origin, direction ) {
intersect
=
{
distance
:
originCopy
.
distanceTo
(
intersectPoint
)
,
distance
:
distance
,
point
:
intersectPoint
.
clone
(),
face
:
face
,
object
:
object
...
...
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录