<s>
GameSalad	B-Operating_System
Creator	O
is	O
an	O
authoring	B-Application
tool	I-Application
developed	O
by	O
GameSalad	B-Operating_System
used	O
by	O
educators	O
and	O
non-programmers	O
alike	O
.	O
</s>
<s>
It	O
consists	O
of	O
a	O
visual	B-Application
editor	I-Application
and	O
a	O
behavior-based	O
logic	O
system	O
.	O
</s>
<s>
GameSalad	B-Operating_System
is	O
used	O
in	O
over	O
223	O
schools	O
for	O
teaching	O
computer	B-General_Concept
science	I-General_Concept
concepts	O
,	O
logic	O
based	O
thinking	O
,	O
and	O
problem	O
solving	O
skills	O
without	O
all	O
the	O
pain	O
of	O
syntax	O
.	O
</s>
<s>
GameSalad	B-Operating_System
is	O
used	O
by	O
consumers	O
and	O
creative	O
professionals	O
such	O
as	O
graphic	O
designers	O
,	O
animators	O
,	O
and	O
game	O
developers	O
for	O
rapidly	O
prototyping	O
,	O
building	O
and	O
self-publishing	O
cross-platform	B-Operating_System
games	O
and	O
interactive	O
media	O
.	O
</s>
<s>
The	O
application	O
runs	O
on	O
both	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
and	O
Windows	O
computers	O
.	O
</s>
<s>
On	O
December	O
21	O
,	O
2009	O
,	O
Macworld	O
Expo	O
partnered	O
with	O
Gendai	B-Operating_System
Games	I-Operating_System
,	O
the	O
developer	O
of	O
GameSalad	B-Operating_System
,	O
for	O
the	O
Macworld	O
2010	O
GameSalad	B-Operating_System
Challenge	O
to	O
promote	O
Mac	O
and	O
iPhone	O
game	O
creation	O
before	O
and	O
during	O
the	O
Macworld	O
2010	O
conference	O
.	O
</s>
<s>
On	O
November	O
20	O
,	O
2010	O
,	O
GameSalad	B-Operating_System
unveiled	O
a	O
new	O
"	O
Free	O
to	O
Make	O
"	O
model	O
,	O
making	O
basic	O
membership	O
free	O
to	O
all	O
users	O
,	O
including	O
iOS	O
publishing	O
.	O
</s>
<s>
On	O
June	O
11	O
,	O
2012	O
,	O
GameSalad	B-Operating_System
unveiled	O
a	O
Windows	O
port	O
of	O
the	O
Mac	O
program	O
,	O
allowing	O
Windows	O
users	O
to	O
create	O
games	O
for	O
iPhones	O
.	O
</s>
<s>
Between	O
October	O
3	O
,	O
2012	O
and	O
November	O
27	O
,	O
2012	O
;	O
GameSalad	B-Operating_System
laid	O
off	O
approximately	O
half	O
of	O
their	O
staff	O
.	O
</s>
<s>
GameSalad	B-Operating_System
provides	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
for	O
describing	O
the	O
rules	O
and	O
the	O
behavior	O
of	O
game	O
objects	O
,	O
called	O
Actors	O
,	O
without	O
knowledge	O
of	O
programming	O
or	O
scripting	B-Language
languages	I-Language
.	O
</s>
<s>
GameSalad	B-Operating_System
has	O
one	O
common	O
web-based	O
interface	O
for	O
publishing	O
to	O
multiple	B-Operating_System
platforms	I-Operating_System
such	O
as	O
the	O
iPhone	O
or	O
Mac	O
.	O
</s>
<s>
GameSalad	B-Operating_System
can	O
also	O
publish	O
to	O
Android-based	O
devices	O
such	O
as	O
the	O
Nook	B-Application
,	O
and	O
to	O
HTML5	B-Application
.	O
</s>
<s>
GameSalad	B-Operating_System
has	O
a	O
specific	O
preview	O
mode	O
for	O
debugging	O
and	O
testing	O
the	O
performance	O
and	O
functionality	O
of	O
games	O
.	O
</s>
<s>
There	O
's	O
a	O
GameSalad	B-Operating_System
Viewer	O
application	O
that	O
can	O
be	O
installed	O
separately	O
onto	O
a	O
users	O
mobile	O
device	O
so	O
that	O
they	O
can	O
click	O
a	O
toolbar	O
button	O
inside	O
GameSalad	B-Operating_System
to	O
preview	O
a	O
project	O
directly	O
on	O
their	O
device	O
through	O
a	O
wireless	O
network	O
.	O
</s>
<s>
myGamePiece	O
=	O
new	O
component(30, 30, "red", 10, 120 )	O
;	O
</s>
<s>
GameSalad	B-Operating_System
uses	O
a	O
rigid-body	O
physics	O
simulator	O
for	O
handling	O
realistic	O
motion	O
and	O
collision	O
.	O
</s>
<s>
Users	O
can	O
manage	O
and	O
optimize	O
how	O
objects	O
collide	O
by	O
organizing	O
actors	O
with	O
tags	B-General_Concept
.	O
</s>
<s>
For	O
advanced	O
users	O
,	O
GameSalad	B-Operating_System
has	O
an	O
expression	O
editor	O
to	O
define	O
complex	O
behavior	O
and	O
state	O
changes	O
with	O
mathematical	O
expressions	O
and	O
a	O
library	O
of	O
functions	O
.	O
</s>
