<s>
Processing	O
is	O
a	O
free	B-Application
graphical	O
library	O
and	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
built	O
for	O
the	O
electronic	O
arts	O
,	O
new	O
media	O
art	O
,	O
and	O
visual	O
design	O
communities	O
with	O
the	O
purpose	O
of	O
teaching	O
non-programmers	O
the	O
fundamentals	O
of	O
computer	B-General_Concept
programming	I-General_Concept
in	O
a	O
visual	O
context	O
.	O
</s>
<s>
Processing	O
uses	O
the	O
Java	B-Language
language	I-Language
,	O
with	O
additional	O
simplifications	O
such	O
as	O
additional	O
classes	O
and	O
aliased	O
mathematical	O
functions	O
and	O
operations	O
.	O
</s>
<s>
The	O
Processing	O
language	O
and	O
IDE	O
have	O
been	O
the	O
precursor	O
to	O
other	O
projects	O
including	O
Arduino	O
and	O
Wiring	B-Device
.	O
</s>
<s>
Originally	O
,	O
Processing	O
had	O
used	O
the	O
domain	O
proce55ing.net,	O
because	O
the	O
processing	O
domain	O
was	O
taken	O
;	O
Reas	O
and	O
Fry	O
eventually	O
acquired	O
the	O
domain	O
processing.org	O
and	O
moved	O
the	O
project	O
to	O
it	O
in	O
2004	O
.	O
</s>
<s>
While	O
the	O
original	O
name	O
had	O
a	O
combination	O
of	O
letters	O
and	O
numbers	O
,	O
it	O
was	O
always	O
officially	O
referred	O
to	O
as	O
processing	O
,	O
but	O
the	O
abbreviated	O
term	O
p5	B-Application
is	O
still	O
occasionally	O
used	O
(	O
e.g.	O
</s>
<s>
in	O
"	O
p5.js	O
"	O
)	O
in	O
reference	O
to	O
the	O
old	O
domain	O
name	O
.	O
</s>
<s>
Processing	O
includes	O
a	O
sketchbook	O
,	O
a	O
minimal	O
alternative	O
to	O
an	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
for	O
organizing	O
projects	O
.	O
</s>
<s>
Every	O
Processing	O
sketch	O
is	O
actually	O
a	O
subclass	O
of	O
the	O
PApplet	O
Java	B-Language
class	I-Language
(	O
formerly	O
a	O
subclass	O
of	O
Java	B-Device
's	O
built-in	O
Applet	O
)	O
which	O
implements	O
most	O
of	O
the	O
Processing	O
language	O
's	O
features	O
.	O
</s>
<s>
When	O
programming	O
in	O
Processing	O
,	O
all	O
additional	O
classes	O
defined	O
will	O
be	O
treated	O
as	O
inner	O
classes	O
when	O
the	O
code	O
is	O
translated	O
into	O
pure	O
Java	B-Device
before	O
compiling	O
.	O
</s>
<s>
This	O
means	O
that	O
the	O
use	O
of	O
static	B-General_Concept
variables	I-General_Concept
and	O
methods	B-Language
in	O
classes	O
is	O
prohibited	O
unless	O
Processing	O
is	O
explicitly	O
told	O
to	O
code	O
in	O
pure	O
Java	B-Device
mode	O
.	O
</s>
<s>
This	O
allows	O
for	O
complex	O
data	O
types	O
that	O
can	O
include	O
any	O
number	O
of	O
arguments	O
and	O
avoids	O
the	O
limitations	O
of	O
solely	O
using	O
standard	O
data	O
types	O
such	O
as	O
:	O
int	O
(	O
integer	O
)	O
,	O
char	O
(	O
character	O
)	O
,	O
float	B-Algorithm
(	O
real	O
number	O
)	O
,	O
and	O
color	O
(	O
RGB	O
,	O
RGBA	O
,	O
hex	O
)	O
.	O
</s>
<s>
With	O
Casey	O
Reas	O
,	O
he	O
founded	O
the	O
Processing	O
Project	O
,	O
an	O
open-source	O
programming	B-Application
environment	I-Application
for	O
teaching	O
computational	O
design	O
and	O
sketching	O
interactive-media	O
software	O
.	O
</s>
<s>
Processing	O
's	O
core	O
libraries	O
,	O
the	O
code	O
included	O
in	O
exported	O
applications	O
and	O
applets	O
,	O
is	O
licensed	O
under	O
the	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
,	O
allowing	O
users	O
to	O
release	O
their	O
original	O
code	O
with	O
a	O
choice	O
of	O
license	O
.	O
</s>
<s>
The	O
IDE	O
is	O
licensed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
Processing	O
was	O
based	O
on	O
the	O
original	O
work	O
done	O
on	O
Design	B-Language
By	I-Language
Numbers	I-Language
project	O
at	O
MIT	O
.	O
</s>
<s>
Processing.js	O
is	O
a	O
discontinued	O
JavaScript	B-Language
port	O
of	O
Processing	O
,	O
a	O
framework	O
designed	O
to	O
write	O
visualisations	O
,	O
images	O
,	O
and	O
interactive	O
content	O
.	O
</s>
<s>
It	O
allows	O
web	O
browsers	O
to	O
display	O
animations	O
,	O
visual	O
applications	O
,	O
games	O
and	O
other	O
graphical	O
rich	O
content	O
without	O
the	O
need	O
for	O
a	O
Java	B-Application
applet	I-Application
or	O
Flash	B-Operating_System
plugin	I-Operating_System
.	O
</s>
<s>
Processing.js	O
used	O
JavaScript	B-Language
to	O
render	O
2D	O
and	O
3D	O
content	O
on	O
the	O
HTML	B-Language
canvas	I-Language
element	O
,	O
and	O
was	O
supported	O
by	O
browsers	O
that	O
have	O
implemented	O
this	O
element	O
(	O
the	O
latest	O
versions	O
of	O
Mozilla	B-Application
Firefox	I-Application
,	O
Opera	B-Application
,	O
Internet	B-Application
Explorer	I-Application
,	O
Safari	B-Application
and	O
Google	B-Application
Chrome	I-Application
)	O
.	O
</s>
<s>
The	O
project	O
was	O
run	O
through	O
a	O
partnership	O
between	O
the	B-Operating_System
Mozilla	I-Operating_System
Foundation	I-Operating_System
and	O
Seneca	O
College	O
,	O
led	O
by	O
David	O
Humphrey	O
,	O
Al	O
MacDonald	O
,	O
and	O
Corban	O
Brook	O
.	O
</s>
<s>
Processing.js	O
development	O
was	O
moved	O
to	O
GitHub	B-Application
in	O
February	O
2010	O
,	O
receiving	O
contributions	O
from	O
58	O
individuals	O
,	O
and	O
was	O
kept	O
at	O
parity	O
with	O
Processing	O
up	O
to	O
its	O
API	O
version	O
2.1	O
release	O
.	O
</s>
<s>
In	O
2013	O
,	O
Lauren	O
McCarthy	O
created	O
p5.js	O
,	O
a	O
native	O
JavaScript	B-Language
alternative	O
to	O
Processing.js	O
that	O
has	O
the	O
official	O
support	O
of	O
the	O
Processing	O
Foundation	O
.	O
</s>
<s>
p5	B-Application
is	O
a	O
Python	O
library	O
that	O
provides	O
high	O
level	O
drawing	O
functionality	O
to	O
help	O
you	O
quickly	O
create	O
simulations	O
and	O
interactive	O
art	O
using	O
Python	O
.	O
</s>
<s>
Python	O
Mode	O
for	O
Processing	O
,	O
or	O
Processing.py	O
is	O
a	O
Python	O
interface	O
to	O
the	O
underlying	O
Java	B-Device
toolkit	O
.	O
</s>
<s>
It	O
makes	O
the	O
Java	B-Device
Processing	O
jars	O
available	O
to	O
the	O
CPython	O
interpreter	O
using	O
JPype	O
.	O
</s>
<s>
It	O
can	O
do	O
just	O
about	O
everything	O
Processing	O
can	O
do	O
,	O
except	O
with	O
Python	O
instead	O
of	O
Java	B-Language
code	I-Language
.	O
</s>
<s>
Processing	O
has	O
spawned	O
another	O
project	O
,	O
Wiring	B-Device
,	O
which	O
uses	O
the	O
Processing	O
IDE	O
with	O
a	O
collection	O
of	O
libraries	O
written	O
in	O
the	O
C++	B-Language
language	I-Language
as	O
a	O
way	O
to	O
teach	O
artists	O
how	O
to	O
program	O
microcontrollers	B-Architecture
.	O
</s>
<s>
There	O
are	O
now	O
two	O
separate	O
hardware	O
projects	O
,	O
Wiring	B-Device
and	O
Arduino	O
,	O
using	O
the	O
Wiring	B-Device
environment	O
and	O
language	O
.	O
</s>
<s>
Fritzing	B-Language
is	O
another	O
software	O
environment	O
of	O
the	O
same	O
sort	O
,	O
which	O
helps	O
designers	O
and	O
artists	O
to	O
document	O
their	O
interactive	O
prototypes	O
and	O
to	O
take	O
the	O
step	O
from	O
physical	O
prototyping	O
to	O
actual	O
product	O
.	O
</s>
<s>
Another	O
spin-off	O
project	O
,	O
now	O
defunct	O
,	O
is	O
Mobile	O
Processing	O
by	O
Francis	O
Li	O
,	O
which	O
allowed	O
software	O
written	O
using	O
the	O
Processing	O
language	O
and	O
environment	O
to	O
run	O
on	O
Java	B-Device
powered	O
mobile	O
devices	O
.	O
</s>
<s>
iProcessing	O
was	O
built	O
to	O
help	O
people	O
develop	O
native	O
iPhone	B-Device
applications	O
using	O
the	O
Processing	O
language	O
.	O
</s>
<s>
It	O
is	O
an	O
integration	O
of	O
the	O
Processing.js	O
library	O
and	O
a	O
Javascript	B-Language
application	O
framework	O
for	O
iPhone	B-Device
.	O
</s>
<s>
Spde	O
(	O
Scala	B-Application
Processing	O
Development	O
Environment	O
)	O
replaces	O
Processing	O
's	O
reduced	O
Java	B-Device
syntax	O
and	O
custom	O
preprocessor	O
with	O
the	O
off-the-shelf	O
Scala	B-Application
programming	I-Application
language	I-Application
which	O
also	O
runs	O
on	O
the	O
Java	B-Device
platform	I-Device
and	O
enforces	O
some	O
of	O
the	O
same	O
restrictions	O
such	O
as	O
disallowing	O
static	B-Language
methods	I-Language
,	O
while	O
also	O
allowing	O
more	O
concise	O
code	O
,	O
and	O
supporting	O
functional	B-Language
programming	I-Language
.	O
</s>
<s>
JRubyArt	O
(	O
formerly	O
named	O
ruby-processing	O
)	O
is	O
a	O
wrapper	B-Library
for	O
Processing	O
in	O
the	O
Ruby	B-Language
language	I-Language
,	O
that	O
runs	O
on	O
the	O
Java	B-Device
platform	I-Device
using	O
JRuby	O
.	O
</s>
<s>
Quil	O
is	O
an	O
interactive	O
animation	O
library	O
for	O
Clojure	B-Language
and	O
ClojureScript	B-Language
based	O
on	O
Processing	O
.	O
</s>
