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03770624
T
three.js
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03770624
编写于
1月 29, 2014
作者:
M
Mr.doob
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差异文件
Merge branch 'fixtriang' of
https://github.com/jahting/three.js
into dev
上级
fcdde251
1a8e5fdb
变更
1
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1 changed file
with
10 addition
and
5 deletion
+10
-5
src/extras/core/Shape.js
src/extras/core/Shape.js
+10
-5
未找到文件。
src/extras/core/Shape.js
浏览文件 @
03770624
...
...
@@ -125,7 +125,7 @@ THREE.Shape.Utils = {
triangulateShape
:
function
(
contour
,
holes
)
{
function
point_in_segment_2D
(
inSegPt1
,
inSegPt2
,
inOtherPt
)
{
function
point_in_segment_2D
_colin
(
inSegPt1
,
inSegPt2
,
inOtherPt
)
{
// inOtherPt needs to be colinear to the inSegment
if
(
inSegPt1
.
x
!=
inSegPt2
.
x
)
{
if
(
inSegPt1
.
x
<
inSegPt2
.
x
)
{
...
...
@@ -167,7 +167,8 @@ THREE.Shape.Utils = {
if
(
(
perpSeg2
>
0
)
||
(
perpSeg2
<
limit
)
)
return
[];
}
// intersection at endpoint ?
// i.e. to reduce rounding errors
// intersection at endpoint of segment#1?
if
(
perpSeg2
==
0
)
{
if
(
(
inExcludeAdjacentSegs
)
&&
(
(
perpSeg1
==
0
)
||
(
perpSeg1
==
limit
)
)
)
return
[];
...
...
@@ -178,6 +179,9 @@ THREE.Shape.Utils = {
(
(
perpSeg1
==
0
)
||
(
perpSeg1
==
limit
)
)
)
return
[];
return
[
inSeg1Pt2
];
}
// intersection at endpoint of segment#2?
if
(
perpSeg1
==
0
)
return
[
inSeg2Pt1
];
if
(
perpSeg1
==
limit
)
return
[
inSeg2Pt2
];
// return real intersection point
var
factorSeg1
=
perpSeg2
/
limit
;
...
...
@@ -185,7 +189,8 @@ THREE.Shape.Utils = {
y
:
inSeg1Pt1
.
y
+
factorSeg1
*
seg1dy
}
];
}
else
{
// parallel or colinear
if
(
perpSeg1
!=
0
)
return
[];
if
(
(
perpSeg1
!=
0
)
||
(
seg2dy
*
seg1seg2dx
!=
seg2dx
*
seg1seg2dy
)
)
return
[];
// they are collinear or degenerate
var
seg1Pt
=
(
(
seg1dx
==
0
)
&&
(
seg1dy
==
0
)
);
// segment1 ist just a point?
...
...
@@ -198,12 +203,12 @@ THREE.Shape.Utils = {
}
// segment#1 is a single point
if
(
seg1Pt
)
{
if
(
!
point_in_segment_2D
(
inSeg2Pt1
,
inSeg2Pt2
,
inSeg1Pt1
)
)
return
[];
// but not in segment#2
if
(
!
point_in_segment_2D
_colin
(
inSeg2Pt1
,
inSeg2Pt2
,
inSeg1Pt1
)
)
return
[];
// but not in segment#2
return
[
inSeg1Pt1
];
}
// segment#2 is a single point
if
(
seg2Pt
)
{
if
(
!
point_in_segment_2D
(
inSeg1Pt1
,
inSeg1Pt2
,
inSeg2Pt1
)
)
return
[];
// but not in segment#1
if
(
!
point_in_segment_2D
_colin
(
inSeg1Pt1
,
inSeg1Pt2
,
inSeg2Pt1
)
)
return
[];
// but not in segment#1
return
[
inSeg2Pt1
];
}
...
...
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