<s>
Three.js	B-Language
is	O
a	O
cross-browser	B-Architecture
JavaScript	B-Language
library	I-Language
and	O
application	B-Application
programming	I-Application
interface	I-Application
(	O
API	B-Application
)	O
used	O
to	O
create	O
and	O
display	O
animated	O
3D	O
computer	O
graphics	O
in	O
a	O
web	B-Application
browser	I-Application
using	O
WebGL	B-Library
.	O
</s>
<s>
The	O
source	O
code	O
is	O
hosted	O
in	O
a	O
repository	O
on	O
GitHub	B-Application
.	O
</s>
<s>
Three.js	B-Language
allows	O
the	O
creation	O
of	O
graphical	B-Architecture
processing	I-Architecture
unit	I-Architecture
(	O
GPU	B-Architecture
)	O
-accelerated	O
3D	O
animations	O
using	O
the	O
JavaScript	B-Language
language	I-Language
as	O
part	O
of	O
a	O
website	O
without	O
relying	O
on	O
proprietary	O
browser	B-Protocol
plugins	I-Protocol
.	O
</s>
<s>
This	O
is	O
possible	O
due	O
to	O
the	O
advent	O
of	O
WebGL	B-Library
,	O
a	O
low-level	O
graphics	O
API	B-Application
created	O
specifically	O
for	O
the	O
web	O
.	O
</s>
<s>
High-level	O
libraries	O
such	O
as	O
Three.js	B-Language
or	O
GLGE	B-Library
,	O
SceneJS	O
,	O
PhiloGL	O
,	O
and	O
many	O
more	O
make	O
it	O
possible	O
to	O
author	O
complex	O
3D	O
computer	O
animations	O
for	O
display	O
in	O
the	O
browser	B-Application
without	O
the	O
effort	O
required	O
for	O
a	O
traditional	O
standalone	O
application	O
or	O
a	O
plugin	O
.	O
</s>
<s>
Three.js	B-Language
was	O
first	O
released	O
by	O
Ricardo	O
Cabello	O
on	O
GitHub	B-Application
in	O
April	O
2010	O
.	O
</s>
<s>
The	O
code	O
was	O
originally	O
developed	O
in	O
the	O
ActionScript	B-Operating_System
language	O
used	O
by	O
Adobe	B-Operating_System
Flash	I-Operating_System
,	O
later	O
being	O
ported	O
to	O
JavaScript	B-Language
in	O
2009	O
.	O
</s>
<s>
In	O
Cabello	O
's	O
mind	O
,	O
there	O
were	O
two	O
strong	O
points	O
that	O
justified	O
the	O
shift	O
away	O
from	O
ActionScript	B-Operating_System
:	O
Firstly	O
,	O
JavaScript	B-Language
provided	O
greater	O
platform	O
independence	O
.	O
</s>
<s>
Secondly	O
,	O
applications	O
written	O
in	O
JavaScript	B-Language
would	O
not	O
need	O
to	O
be	O
compiled	O
by	O
the	O
developer	O
beforehand	O
,	O
unlike	O
Flash	O
applications	O
.	O
</s>
<s>
Additional	O
contributions	O
by	O
Cabello	O
include	O
API	B-Application
design	O
,	O
CanvasRenderer	O
,	O
SVGRenderer	O
,	O
and	O
being	O
responsible	O
for	O
merging	O
the	O
commits	O
by	O
the	O
various	O
contributors	O
into	O
the	O
project	O
.	O
</s>
<s>
With	O
the	O
advent	O
of	O
WebGL	B-Library
,	O
Paul	O
Brunt	O
was	O
able	O
to	O
implement	O
the	O
new	O
rendering	O
technology	O
quite	O
easily	O
as	O
Three.js	B-Language
was	O
designed	O
with	O
the	O
rendering	O
code	O
as	O
a	O
module	O
rather	O
than	O
in	O
the	O
core	O
itself	O
.	O
</s>
<s>
Branislav	O
Uličný	O
,	O
an	O
early	O
contributor	O
,	O
started	O
with	O
Three.js	B-Language
in	O
2010	O
after	O
having	O
posted	O
a	O
number	O
of	O
WebGL	B-Library
demos	O
on	O
his	O
own	O
site	O
.	O
</s>
<s>
He	O
wanted	O
WebGL	B-Library
renderer	O
capabilities	O
in	O
Three.js	B-Language
to	O
exceed	O
those	O
of	O
CanvasRenderer	O
or	O
SVGRenderer	O
.	O
</s>
<s>
Soon	O
after	O
the	O
introduction	O
of	O
WebGL	B-Library
1.0	O
on	O
Firefox	O
4	O
in	O
March	O
2011	O
,	O
Joshua	O
Koo	O
came	O
on	O
board	O
.	O
</s>
<s>
He	O
built	O
his	O
first	O
Three.js	B-Language
demo	O
for	O
3D	O
text	O
in	O
September	O
2011	O
.	O
</s>
<s>
Three.js	B-Language
has	O
over	O
1500	O
contributors	O
on	O
GitHub	B-Application
.	O
</s>
<s>
Three.js	B-Language
includes	O
the	O
following	O
features	O
:	O
</s>
<s>
Support	O
:	O
API	B-Application
documentation	I-Application
is	O
under	O
construction	O
.	O
</s>
<s>
Three.js	B-Language
runs	O
in	O
all	O
browsers	B-Application
supported	O
by	O
WebGL	B-Library
1.0	O
.	O
</s>
<s>
Three.js	B-Language
is	O
made	O
available	O
under	O
the	B-License
MIT	I-License
License	I-License
.	O
</s>
<s>
Next	O
,	O
it	O
creates	O
a	O
WebGL	B-Library
renderer	O
and	O
appends	O
its	O
viewport	O
to	O
the	O
body	O
of	O
the	O
webpage	O
document	O
.	O
</s>
<s>
Once	O
Three.js	B-Language
has	O
finished	O
loading	O
,	O
the	O
cube	O
rotates	O
about	O
its	O
x	O
and	O
y	O
axes	O
.	O
</s>
