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84da87ab
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three.js
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84da87ab
编写于
7月 11, 2013
作者:
S
stephomi
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
Add test example with interactive lines.
上级
95d8c32c
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
190 addition
and
0 deletion
+190
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examples/webgl_interactive_lines.html
examples/webgl_interactive_lines.html
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examples/webgl_interactive_lines.html
0 → 100644
浏览文件 @
84da87ab
<!DOCTYPE html>
<html
lang=
"en"
>
<head>
<title>
three.js webgl - interactive lines
</title>
<meta
charset=
"utf-8"
>
<meta
name=
"viewport"
content=
"width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0"
>
<style>
body
{
font-family
:
Monospace
;
background-color
:
#f0f0f0
;
margin
:
0px
;
overflow
:
hidden
;
}
</style>
</head>
<body>
<script
src=
"../build/three.js"
></script>
<script
src=
"js/libs/stats.min.js"
></script>
<script>
var
container
,
stats
;
var
camera
,
scene
,
projector
,
raycaster
,
renderer
,
parentTransform
,
sphereInter
;
var
mouse
=
new
THREE
.
Vector2
();
var
radius
=
100
,
theta
=
0
;
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://threejs.org" target="_blank">three.js</a> webgl - interactive cubes
'
;
container
.
appendChild
(
info
);
camera
=
new
THREE
.
PerspectiveCamera
(
70
,
window
.
innerWidth
/
window
.
innerHeight
,
1
,
10000
);
scene
=
new
THREE
.
Scene
();
var
light
=
new
THREE
.
DirectionalLight
(
0xffffff
,
2
);
light
.
position
.
set
(
1
,
1
,
1
).
normalize
();
scene
.
add
(
light
);
var
light
=
new
THREE
.
DirectionalLight
(
0xffffff
);
light
.
position
.
set
(
-
1
,
-
1
,
-
1
).
normalize
();
scene
.
add
(
light
);
var
sphereGeometry
=
new
THREE
.
SphereGeometry
(
3
);
sphereInter
=
new
THREE
.
Mesh
(
sphereGeometry
,
new
THREE
.
MeshLambertMaterial
(
{
color
:
0xff0000
}
)
);
sphereInter
.
visible
=
false
;
scene
.
add
(
sphereInter
);
var
geometry
=
new
THREE
.
Geometry
();
geometry
.
vertices
.
push
(
new
THREE
.
Vector3
(
0
,
0
,
0
)
);
geometry
.
vertices
.
push
(
new
THREE
.
Vector3
(
15
,
15
,
15
)
);
parentTransform
=
new
THREE
.
Mesh
();
parentTransform
.
position
.
x
=
Math
.
random
()
*
800
-
400
;
parentTransform
.
position
.
y
=
Math
.
random
()
*
800
-
400
;
parentTransform
.
position
.
z
=
Math
.
random
()
*
800
-
400
;
parentTransform
.
rotation
.
x
=
Math
.
random
()
*
2
*
Math
.
PI
;
parentTransform
.
rotation
.
y
=
Math
.
random
()
*
2
*
Math
.
PI
;
parentTransform
.
rotation
.
z
=
Math
.
random
()
*
2
*
Math
.
PI
;
// parentTransform.scale.x = Math.random() + 0.5;
// parentTransform.scale.y = Math.random() + 0.5;
// parentTransform.scale.z = Math.random() + 0.5;
for
(
var
i
=
0
;
i
<
1000
;
i
++
)
{
var
object
=
new
THREE
.
Line
(
geometry
,
new
THREE
.
LineBasicMaterial
(
{
color
:
Math
.
random
()
*
0xffffff
,
linewidth
:
2
}
)
);
object
.
position
.
x
=
Math
.
random
()
*
800
-
400
;
object
.
position
.
y
=
Math
.
random
()
*
800
-
400
;
object
.
position
.
z
=
Math
.
random
()
*
800
-
400
;
object
.
rotation
.
x
=
Math
.
random
()
*
2
*
Math
.
PI
;
object
.
rotation
.
y
=
Math
.
random
()
*
2
*
Math
.
PI
;
object
.
rotation
.
z
=
Math
.
random
()
*
2
*
Math
.
PI
;
// object.scale.x = Math.random() + 0.5;
// object.scale.y = Math.random() + 0.5;
// object.scale.z = Math.random() + 0.5;
parentTransform
.
add
(
object
);
}
scene
.
add
(
parentTransform
);
projector
=
new
THREE
.
Projector
();
raycaster
=
new
THREE
.
Raycaster
();
raycaster
.
linePrecision
=
5
;
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
);
//
window
.
addEventListener
(
'
resize
'
,
onWindowResize
,
false
);
}
function
onWindowResize
()
{
camera
.
aspect
=
window
.
innerWidth
/
window
.
innerHeight
;
camera
.
updateProjectionMatrix
();
renderer
.
setSize
(
window
.
innerWidth
,
window
.
innerHeight
);
}
function
onDocumentMouseMove
(
event
)
{
event
.
preventDefault
();
mouse
.
x
=
(
event
.
clientX
/
window
.
innerWidth
)
*
2
-
1
;
mouse
.
y
=
-
(
event
.
clientY
/
window
.
innerHeight
)
*
2
+
1
;
}
//
function
animate
()
{
requestAnimationFrame
(
animate
);
render
();
stats
.
update
();
}
function
render
()
{
theta
+=
0.1
;
camera
.
position
.
x
=
radius
*
Math
.
sin
(
THREE
.
Math
.
degToRad
(
theta
)
);
camera
.
position
.
y
=
radius
*
Math
.
sin
(
THREE
.
Math
.
degToRad
(
theta
)
);
camera
.
position
.
z
=
radius
*
Math
.
cos
(
THREE
.
Math
.
degToRad
(
theta
)
);
camera
.
lookAt
(
scene
.
position
);
// find intersections
var
vector
=
new
THREE
.
Vector3
(
mouse
.
x
,
mouse
.
y
,
1
);
projector
.
unprojectVector
(
vector
,
camera
);
raycaster
.
set
(
camera
.
position
,
vector
.
sub
(
camera
.
position
).
normalize
()
);
var
intersects
=
raycaster
.
intersectObjects
(
parentTransform
.
children
,
true
);
if
(
intersects
.
length
>
0
)
{
sphereInter
.
visible
=
true
;
sphereInter
.
position
=
(
intersects
[
0
].
point
).
clone
();
}
else
{
sphereInter
.
visible
=
false
;
}
renderer
.
render
(
scene
,
camera
);
}
</script>
</body>
</html>
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