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af4b73c0
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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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af4b73c0
编写于
12月 31, 2012
作者:
B
Ben Houston
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
fix sign/comparison in Frustum.containsSphere and add unit tests.
上级
427a7b3e
变更
2
显示空白变更内容
内联
并排
Showing
2 changed file
with
32 addition
and
8 deletion
+32
-8
src/math/Frustum.js
src/math/Frustum.js
+6
-8
test/unit/math/Frustum.js
test/unit/math/Frustum.js
+26
-0
未找到文件。
src/math/Frustum.js
浏览文件 @
af4b73c0
...
...
@@ -72,12 +72,8 @@ THREE.Frustum.prototype = {
contains
:
function
(
object
)
{
var
matrix
=
object
.
matrixWorld
;
var
sphere
=
THREE
.
Frustum
.
__s0
.
set
(
matrix
.
getPosition
(),
-
object
.
geometry
.
boundingSphere
.
radius
*
matrix
.
getMaxScaleOnAxis
()
);
var
sphere
=
THREE
.
Frustum
.
__s0
.
copy
(
object
.
geometry
.
boundingSphere
);
sphere
.
transform
(
object
.
matrixWorld
);
return
this
.
containsSphere
(
sphere
);
...
...
@@ -86,12 +82,14 @@ THREE.Frustum.prototype = {
containsSphere
:
function
(
sphere
)
{
var
planes
=
this
.
planes
;
var
center
=
sphere
.
center
;
var
negRadius
=
-
sphere
.
radius
;
for
(
var
i
=
0
;
i
<
6
;
i
++
)
{
var
distance
=
planes
[
i
].
distanceToPoint
(
sphere
.
center
);
var
distance
=
planes
[
i
].
distanceToPoint
(
center
);
if
(
distance
<
=
sphere
.
r
adius
)
{
if
(
distance
<
negR
adius
)
{
return
false
;
...
...
test/unit/math/Frustum.js
浏览文件 @
af4b73c0
...
...
@@ -106,6 +106,32 @@ test( "setFromMatrix/makeFrustum/containsPoint", function() {
ok
(
!
a
.
containsPoint
(
new
THREE
.
Vector3
(
0
,
0
,
-
101
)
),
"
Passed!
"
);
});
test
(
"
setFromMatrix/makeFrustum/containsSphere
"
,
function
()
{
var
m
=
new
THREE
.
Matrix4
().
makeFrustum
(
-
1
,
1
,
-
1
,
1
,
1
,
100
)
var
a
=
new
THREE
.
Frustum
().
setFromMatrix
(
m
);
ok
(
!
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
0
,
0
,
0
),
0
)
),
"
Passed!
"
);
ok
(
!
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
0
,
0
,
0
),
0.9
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
0
,
0
,
0
),
1.1
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
0
,
0
,
-
50
),
0
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
0
,
0
,
-
1.001
),
0
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
-
1
,
-
1
,
-
1.001
),
0
)
),
"
Passed!
"
);
ok
(
!
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
-
1.1
,
-
1.1
,
-
1.001
),
0
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
-
1.1
,
-
1.1
,
-
1.001
),
0.5
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
1
,
1
,
-
1.001
),
0
)
),
"
Passed!
"
);
ok
(
!
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
1.1
,
1.1
,
-
1.001
),
0
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
1.1
,
1.1
,
-
1.001
),
0.5
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
0
,
0
,
-
99.999
),
0
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
-
99.999
,
-
99.999
,
-
99.999
),
0
)
),
"
Passed!
"
);
ok
(
!
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
-
100.1
,
-
100.1
,
-
100.1
),
0
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
-
100.1
,
-
100.1
,
-
100.1
),
0.5
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
99.999
,
99.999
,
-
99.999
),
0
)
),
"
Passed!
"
);
ok
(
!
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
100.1
,
100.1
,
-
100.1
),
0
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
100.1
,
100.1
,
-
100.1
),
0.2
)
),
"
Passed!
"
);
ok
(
!
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
0
,
0
,
-
101
),
0
)
),
"
Passed!
"
);
ok
(
a
.
containsSphere
(
new
THREE
.
Sphere
(
new
THREE
.
Vector3
(
0
,
0
,
-
101
),
1.1
)
),
"
Passed!
"
);
});
test
(
"
transform
"
,
function
()
{
var
p0
=
new
THREE
.
Plane
(
unit3
,
-
1
);
...
...
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