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b5dfd828
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three.js
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b5dfd828
编写于
9月 03, 2011
作者:
M
Mr.doob
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Added draggable cubes example.
上级
7c19f40e
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
210 addition
and
0 deletion
+210
-0
examples/webgl_interactive_draggablecubes.html
examples/webgl_interactive_draggablecubes.html
+210
-0
未找到文件。
examples/webgl_interactive_draggablecubes.html
0 → 100644
浏览文件 @
b5dfd828
<!DOCTYPE HTML>
<html
lang=
"en"
>
<head>
<title>
three.js webgl - draggable cubes
</title>
<meta
charset=
"utf-8"
>
<style
type=
"text/css"
>
body
{
font-family
:
Monospace
;
background-color
:
#f0f0f0
;
margin
:
0px
;
overflow
:
hidden
;
}
</style>
</head>
<body>
<script
type=
"text/javascript"
src=
"../build/Three.js"
></script>
<script
type=
"text/javascript"
src=
"js/RequestAnimationFrame.js"
></script>
<script
type=
"text/javascript"
src=
"js/Stats.js"
></script>
<script
type=
"text/javascript"
>
var
container
,
stats
;
var
camera
,
scene
,
projector
,
renderer
;
var
objects
=
[],
plane
;
var
mouse
=
{
x
:
0
,
y
:
0
},
INTERSECTED
,
SELECTED
;
init
();
animate
();
function
init
()
{
container
=
document
.
createElement
(
'
div
'
);
document
.
body
.
appendChild
(
container
);
var
info
=
document
.
createElement
(
'
div
'
);
info
.
style
.
position
=
'
absolute
'
;
info
.
style
.
top
=
'
10px
'
;
info
.
style
.
width
=
'
100%
'
;
info
.
style
.
textAlign
=
'
center
'
;
info
.
innerHTML
=
'
<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> webgl - draggable cubes
'
;
container
.
appendChild
(
info
);
camera
=
new
THREE
.
Camera
(
70
,
window
.
innerWidth
/
window
.
innerHeight
,
1
,
10000
);
camera
.
position
.
z
=
1000
;
scene
=
new
THREE
.
Scene
();
var
light
=
new
THREE
.
DirectionalLight
(
0xffffff
,
2
);
light
.
position
.
x
=
1
;
light
.
position
.
y
=
1
;
light
.
position
.
z
=
1
;
light
.
position
.
normalize
();
scene
.
addLight
(
light
);
var
light
=
new
THREE
.
DirectionalLight
(
0xffffff
);
light
.
position
.
x
=
-
1
;
light
.
position
.
y
=
-
1
;
light
.
position
.
z
=
-
1
;
light
.
position
.
normalize
();
scene
.
addLight
(
light
);
var
geometry
=
new
THREE
.
CubeGeometry
(
40
,
40
,
40
);
for
(
var
i
=
0
;
i
<
200
;
i
++
)
{
var
object
=
new
THREE
.
Mesh
(
geometry
,
new
THREE
.
MeshLambertMaterial
(
{
color
:
Math
.
random
()
*
0xffffff
}
)
);
object
.
position
.
x
=
Math
.
random
()
*
800
-
400
;
object
.
position
.
y
=
Math
.
random
()
*
600
-
300
;
object
.
position
.
z
=
Math
.
random
()
*
800
-
400
;
object
.
rotation
.
x
=
(
Math
.
random
()
*
360
)
*
Math
.
PI
/
180
;
object
.
rotation
.
y
=
(
Math
.
random
()
*
360
)
*
Math
.
PI
/
180
;
object
.
rotation
.
z
=
(
Math
.
random
()
*
360
)
*
Math
.
PI
/
180
;
object
.
scale
.
x
=
Math
.
random
()
*
2
+
1
;
object
.
scale
.
y
=
Math
.
random
()
*
2
+
1
;
object
.
scale
.
z
=
Math
.
random
()
*
2
+
1
;
scene
.
addObject
(
object
);
objects
.
push
(
object
);
}
plane
=
new
THREE
.
Mesh
(
new
THREE
.
PlaneGeometry
(
2000
,
2000
,
8
,
8
),
new
THREE
.
MeshBasicMaterial
(
{
color
:
0x000000
,
opacity
:
0.5
,
wireframe
:
true
}
)
);
plane
.
visible
=
false
;
scene
.
addObject
(
plane
);
projector
=
new
THREE
.
Projector
();
renderer
=
new
THREE
.
WebGLRenderer
();
renderer
.
sortObjects
=
false
;
renderer
.
setSize
(
window
.
innerWidth
,
window
.
innerHeight
);
container
.
appendChild
(
renderer
.
domElement
);
stats
=
new
Stats
();
stats
.
domElement
.
style
.
position
=
'
absolute
'
;
stats
.
domElement
.
style
.
top
=
'
0px
'
;
container
.
appendChild
(
stats
.
domElement
);
document
.
addEventListener
(
'
mousemove
'
,
onDocumentMouseMove
,
false
);
document
.
addEventListener
(
'
mousedown
'
,
onDocumentMouseDown
,
false
);
document
.
addEventListener
(
'
mouseup
'
,
onDocumentMouseUp
,
false
);
}
function
onDocumentMouseMove
(
event
)
{
event
.
preventDefault
();
mouse
.
x
=
(
event
.
clientX
/
window
.
innerWidth
)
*
2
-
1
;
mouse
.
y
=
-
(
event
.
clientY
/
window
.
innerHeight
)
*
2
+
1
;
//
var
vector
=
new
THREE
.
Vector3
(
mouse
.
x
,
mouse
.
y
,
0.5
);
projector
.
unprojectVector
(
vector
,
camera
);
var
ray
=
new
THREE
.
Ray
(
camera
.
position
,
vector
.
subSelf
(
camera
.
position
).
normalize
()
);
if
(
SELECTED
)
{
var
intersects
=
ray
.
intersectObject
(
plane
);
SELECTED
.
position
.
copy
(
intersects
[
0
].
point
);
return
;
}
var
intersects
=
ray
.
intersectObjects
(
objects
);
if
(
intersects
.
length
>
0
)
{
if
(
INTERSECTED
!=
intersects
[
0
].
object
)
{
if
(
INTERSECTED
)
INTERSECTED
.
materials
[
0
].
color
.
setHex
(
INTERSECTED
.
currentHex
);
INTERSECTED
=
intersects
[
0
].
object
;
INTERSECTED
.
currentHex
=
INTERSECTED
.
materials
[
0
].
color
.
getHex
();
INTERSECTED
.
materials
[
0
].
color
.
setHex
(
0xff0000
);
plane
.
position
.
copy
(
INTERSECTED
.
position
);
}
}
else
{
if
(
INTERSECTED
)
INTERSECTED
.
materials
[
0
].
color
.
setHex
(
INTERSECTED
.
currentHex
);
INTERSECTED
=
null
;
}
}
function
onDocumentMouseDown
(
event
)
{
event
.
preventDefault
();
var
vector
=
new
THREE
.
Vector3
(
mouse
.
x
,
mouse
.
y
,
0.5
);
projector
.
unprojectVector
(
vector
,
camera
);
var
ray
=
new
THREE
.
Ray
(
camera
.
position
,
vector
.
subSelf
(
camera
.
position
).
normalize
()
);
var
intersects
=
ray
.
intersectObjects
(
objects
);
if
(
intersects
.
length
>
0
)
{
SELECTED
=
intersects
[
0
].
object
;
}
}
function
onDocumentMouseUp
(
event
)
{
event
.
preventDefault
();
SELECTED
=
null
;
}
//
function
animate
()
{
requestAnimationFrame
(
animate
);
render
();
stats
.
update
();
}
var
radius
=
100
;
var
theta
=
0
;
function
render
()
{
theta
+=
0.2
;
renderer
.
render
(
scene
,
camera
);
}
</script>
</body>
</html>
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