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9d7a120b
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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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9d7a120b
编写于
12月 28, 2012
作者:
B
Ben Houston
浏览文件
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浏览文件
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电子邮件补丁
差异文件
more Frustum unit tests + minor optimization to Plane.
上级
65436c41
变更
2
显示空白变更内容
内联
并排
Showing
2 changed file
with
117 addition
and
4 deletion
+117
-4
src/math/Plane.js
src/math/Plane.js
+3
-4
test/unit/math/Frustum.js
test/unit/math/Frustum.js
+114
-0
未找到文件。
src/math/Plane.js
浏览文件 @
9d7a120b
...
...
@@ -164,14 +164,13 @@ THREE.Plane.prototype = {
transform
:
function
(
matrix
,
optionalNormalMatrix
)
{
var
newNormal
=
THREE
.
Plane
.
__v1
,
newCoplanarPoint
=
THREE
.
Plane
.
__v2
;
// compute new normal based on theory here:
// http://www.songho.ca/opengl/gl_normaltransform.html
optionalNormalMatrix
=
optionalNormalMatrix
||
new
THREE
.
Matrix3
().
getInverse
(
matrix
).
transpose
();
newNormal
=
optionalNormalMatrix
.
multiplyVector3
(
newNormal
.
copy
(
this
.
normal
)
);
newCoplanarPoint
=
this
.
coplanarPoint
(
newCoplanarPoint
);
var
newNormal
=
optionalNormalMatrix
.
multiplyVector3
(
THREE
.
Plane
.
__v1
.
copy
(
this
.
normal
)
);
var
newCoplanarPoint
=
this
.
coplanarPoint
(
THREE
.
Plane
.
__v2
);
// __v2 is the optionalTarget
newCoplanarPoint
=
matrix
.
multiplyVector3
(
newCoplanarPoint
);
this
.
setFromNormalAndCoplanarPoint
(
newNormal
,
newCoplanarPoint
);
...
...
test/unit/math/Frustum.js
浏览文件 @
9d7a120b
...
...
@@ -4,11 +4,67 @@
module
(
"
Frustum
"
);
var
unit3
=
new
THREE
.
Vector3
(
1
,
0
,
0
);
var
planeEquals
=
function
(
a
,
b
,
tolerance
)
{
tolerance
=
tolerance
||
0.0001
;
if
(
a
.
normal
.
distanceTo
(
b
.
normal
)
>
tolerance
)
{
return
false
;
}
if
(
Math
.
abs
(
a
.
constant
-
b
.
constant
)
>
tolerance
)
{
return
false
;
}
return
true
;
};
test
(
"
constructor
"
,
function
()
{
var
a
=
new
THREE
.
Frustum
();
ok
(
a
.
planes
!==
undefined
,
"
Passed!
"
);
ok
(
a
.
planes
.
length
===
6
,
"
Passed!
"
);
var
pDefault
=
new
THREE
.
Plane
();
for
(
var
i
=
0
;
i
<
6
;
i
++
)
{
ok
(
a
.
planes
[
i
].
equals
(
pDefault
),
"
Passed!
"
);
}
var
p0
=
new
THREE
.
Plane
(
unit3
,
-
1
);
var
p1
=
new
THREE
.
Plane
(
unit3
,
1
);
var
p2
=
new
THREE
.
Plane
(
unit3
,
2
);
var
p3
=
new
THREE
.
Plane
(
unit3
,
3
);
var
p4
=
new
THREE
.
Plane
(
unit3
,
4
);
var
p5
=
new
THREE
.
Plane
(
unit3
,
5
);
a
=
new
THREE
.
Frustum
(
p0
,
p1
,
p2
,
p3
,
p4
,
p5
);
ok
(
a
.
planes
[
0
].
equals
(
p0
),
"
Passed!
"
);
ok
(
a
.
planes
[
1
].
equals
(
p1
),
"
Passed!
"
);
ok
(
a
.
planes
[
2
].
equals
(
p2
),
"
Passed!
"
);
ok
(
a
.
planes
[
3
].
equals
(
p3
),
"
Passed!
"
);
ok
(
a
.
planes
[
4
].
equals
(
p4
),
"
Passed!
"
);
ok
(
a
.
planes
[
5
].
equals
(
p5
),
"
Passed!
"
);
});
test
(
"
copy
"
,
function
()
{
var
p0
=
new
THREE
.
Plane
(
unit3
,
-
1
);
var
p1
=
new
THREE
.
Plane
(
unit3
,
1
);
var
p2
=
new
THREE
.
Plane
(
unit3
,
2
);
var
p3
=
new
THREE
.
Plane
(
unit3
,
3
);
var
p4
=
new
THREE
.
Plane
(
unit3
,
4
);
var
p5
=
new
THREE
.
Plane
(
unit3
,
5
);
var
b
=
new
THREE
.
Frustum
(
p0
,
p1
,
p2
,
p3
,
p4
,
p5
);
var
a
=
new
THREE
.
Frustum
().
copy
(
b
);
ok
(
a
.
planes
[
0
].
equals
(
p0
),
"
Passed!
"
);
ok
(
a
.
planes
[
1
].
equals
(
p1
),
"
Passed!
"
);
ok
(
a
.
planes
[
2
].
equals
(
p2
),
"
Passed!
"
);
ok
(
a
.
planes
[
3
].
equals
(
p3
),
"
Passed!
"
);
ok
(
a
.
planes
[
4
].
equals
(
p4
),
"
Passed!
"
);
ok
(
a
.
planes
[
5
].
equals
(
p5
),
"
Passed!
"
);
// ensure it is a true copy by modifying source
b
.
planes
[
0
]
=
p1
;
ok
(
a
.
planes
[
0
].
equals
(
p0
),
"
Passed!
"
);
});
test
(
"
setFromMatrix/makeOrthographic/containsPoint
"
,
function
()
{
...
...
@@ -49,3 +105,61 @@ test( "setFromMatrix/makeFrustum/containsPoint", function() {
ok
(
!
a
.
containsPoint
(
new
THREE
.
Vector3
(
100.1
,
100.1
,
-
100.1
)
),
"
Passed!
"
);
ok
(
!
a
.
containsPoint
(
new
THREE
.
Vector3
(
0
,
0
,
-
101
)
),
"
Passed!
"
);
});
test
(
"
transform
"
,
function
()
{
var
p0
=
new
THREE
.
Plane
(
unit3
,
-
1
);
var
p1
=
new
THREE
.
Plane
(
unit3
,
1
);
var
p2
=
new
THREE
.
Plane
(
unit3
,
2
);
var
p3
=
new
THREE
.
Plane
(
unit3
,
3
);
var
p4
=
new
THREE
.
Plane
(
unit3
,
4
);
var
p5
=
new
THREE
.
Plane
(
unit3
,
5
);
var
b
=
new
THREE
.
Frustum
(
p0
,
p1
,
p2
,
p3
,
p4
,
p5
);
var
a
=
new
THREE
.
Frustum
().
copy
(
b
).
transform
(
new
THREE
.
Matrix4
()
);
ok
(
a
.
planes
[
0
].
equals
(
p0
),
"
Passed!
"
);
ok
(
a
.
planes
[
1
].
equals
(
p1
),
"
Passed!
"
);
ok
(
a
.
planes
[
2
].
equals
(
p2
),
"
Passed!
"
);
ok
(
a
.
planes
[
3
].
equals
(
p3
),
"
Passed!
"
);
ok
(
a
.
planes
[
4
].
equals
(
p4
),
"
Passed!
"
);
ok
(
a
.
planes
[
5
].
equals
(
p5
),
"
Passed!
"
);
a
=
new
THREE
.
Frustum
().
copy
(
b
).
transform
(
new
THREE
.
Matrix4
().
makeRotationZ
(
Math
.
PI
)
);
ok
(
!
planeEquals
(
a
.
planes
[
0
],
p0
),
"
Passed!
"
);
ok
(
!
planeEquals
(
a
.
planes
[
1
],
p1
),
"
Passed!
"
);
ok
(
!
planeEquals
(
a
.
planes
[
2
],
p2
),
"
Passed!
"
);
ok
(
!
planeEquals
(
a
.
planes
[
3
],
p3
),
"
Passed!
"
);
ok
(
!
planeEquals
(
a
.
planes
[
4
],
p4
),
"
Passed!
"
);
ok
(
!
planeEquals
(
a
.
planes
[
5
],
p5
),
"
Passed!
"
);
a
=
a
.
transform
(
new
THREE
.
Matrix4
().
makeRotationZ
(
Math
.
PI
)
);
ok
(
planeEquals
(
a
.
planes
[
0
],
p0
),
"
Passed!
"
);
ok
(
planeEquals
(
a
.
planes
[
1
],
p1
),
"
Passed!
"
);
ok
(
planeEquals
(
a
.
planes
[
2
],
p2
),
"
Passed!
"
);
ok
(
planeEquals
(
a
.
planes
[
3
],
p3
),
"
Passed!
"
);
ok
(
planeEquals
(
a
.
planes
[
4
],
p4
),
"
Passed!
"
);
ok
(
planeEquals
(
a
.
planes
[
5
],
p5
),
"
Passed!
"
);
});
test
(
"
clone
"
,
function
()
{
var
p0
=
new
THREE
.
Plane
(
unit3
,
-
1
);
var
p1
=
new
THREE
.
Plane
(
unit3
,
1
);
var
p2
=
new
THREE
.
Plane
(
unit3
,
2
);
var
p3
=
new
THREE
.
Plane
(
unit3
,
3
);
var
p4
=
new
THREE
.
Plane
(
unit3
,
4
);
var
p5
=
new
THREE
.
Plane
(
unit3
,
5
);
var
b
=
new
THREE
.
Frustum
(
p0
,
p1
,
p2
,
p3
,
p4
,
p5
);
var
a
=
b
.
clone
();
ok
(
a
.
planes
[
0
].
equals
(
p0
),
"
Passed!
"
);
ok
(
a
.
planes
[
1
].
equals
(
p1
),
"
Passed!
"
);
ok
(
a
.
planes
[
2
].
equals
(
p2
),
"
Passed!
"
);
ok
(
a
.
planes
[
3
].
equals
(
p3
),
"
Passed!
"
);
ok
(
a
.
planes
[
4
].
equals
(
p4
),
"
Passed!
"
);
ok
(
a
.
planes
[
5
].
equals
(
p5
),
"
Passed!
"
);
// ensure it is a true copy by modifying source
b
.
planes
[
0
]
=
p1
;
ok
(
a
.
planes
[
0
].
equals
(
p0
),
"
Passed!
"
);
});
\ No newline at end of file
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