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a49b3fba
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three.js
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体验新版 GitCode,发现更多精彩内容 >>
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a49b3fba
编写于
2月 01, 2014
作者:
M
Mr.doob
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差异文件
Merge branch 'bevelround' of
https://github.com/jahting/three.js
into dev
Conflicts: src/extras/geometries/ExtrudeGeometry.js
上级
602aadb1
441f4e9f
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1
隐藏空白更改
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并排
Showing
1 changed file
with
16 addition
and
8 deletion
+16
-8
src/extras/geometries/ExtrudeGeometry.js
src/extras/geometries/ExtrudeGeometry.js
+16
-8
未找到文件。
src/extras/geometries/ExtrudeGeometry.js
浏览文件 @
a49b3fba
...
...
@@ -197,9 +197,7 @@ THREE.ExtrudeGeometry.prototype.addShape = function ( shape, options ) {
function
getBevelVec
(
inPt
,
inPrev
,
inNext
)
{
var
EPSILON
=
0.0000000001
;
var
sign
=
THREE
.
Math
.
sign
;
// computes for inPt the corresponding point inPt' on a new contour
// shiftet by 1 unit (length of normalized vector) to the left
...
...
@@ -258,17 +256,27 @@ THREE.ExtrudeGeometry.prototype.addShape = function ( shape, options ) {
}
else
{
// handle special case of colinear edges
if
(
(
(
v_prev_x
!=
0
)
&&
(
sign
(
v_prev_x
)
!=
sign
(
v_next_x
)
)
)
||
(
(
v_prev_x
==
0
)
&&
(
sign
(
v_prev_y
)
!=
sign
(
v_next_y
)
)
)
)
{
// console.log("Warning: lines are a straight spike");
v_trans_x
=
v_prev_x
;
v_trans_y
=
v_prev_y
;
shrink_by
=
Math
.
sqrt
(
v_prev_lensq
/
2
);
var
direction_eq
=
false
;
// assumes: opposite
if
(
v_prev_x
>
EPSILON
)
{
if
(
v_next_x
>
EPSILON
)
{
direction_eq
=
true
;
}
}
else
{
if
(
v_prev_x
<
-
EPSILON
)
{
if
(
v_next_x
<
-
EPSILON
)
{
direction_eq
=
true
;
}
}
else
{
if
(
Math
.
sign
(
v_prev_y
)
==
Math
.
sign
(
v_next_y
)
)
{
direction_eq
=
true
;
}
}
}
if
(
direction_eq
)
{
// console.log("Warning: lines are a straight sequence");
v_trans_x
=
-
v_prev_y
;
v_trans_y
=
v_prev_x
;
shrink_by
=
Math
.
sqrt
(
v_prev_lensq
);
}
else
{
// console.log("Warning: lines are a straight spike");
v_trans_x
=
v_prev_x
;
v_trans_y
=
v_prev_y
;
shrink_by
=
Math
.
sqrt
(
v_prev_lensq
/
2
);
}
}
...
...
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