<s>
Delta3d	B-Language
is	O
an	O
open	B-Application
source	I-Application
software	I-Application
gaming/simulation	O
engine	O
API	B-Application
.	O
</s>
<s>
Delta3d	B-Language
is	O
managed	O
and	O
supported	O
by	O
Caper	O
Holdings	O
LLC	O
.	O
</s>
<s>
Previously	O
the	O
Modeling	O
,	O
Virtual	O
Environments	O
,	O
and	O
Simulation	O
(	O
MOVES	O
)	O
Institute	O
at	O
the	O
Naval	O
Postgraduate	O
School	O
in	O
Monterey	O
,	O
California	O
managed	O
and	O
supported	O
delta3d	B-Language
.	O
</s>
<s>
Delta3d	B-Language
is	O
released	O
under	O
the	O
GNU	B-Application
LGPL-2.1-or-later	I-Application
.	O
</s>
<s>
The	O
external	O
modules	B-Architecture
have	O
their	O
own	O
licensing	O
.	O
</s>
<s>
Some	O
modules	B-Architecture
,	O
such	O
as	O
Qt	B-Language
,	O
require	O
the	O
user	O
to	O
download	O
and	O
install	O
separately	O
for	O
use	O
with	O
Delta3d	B-Language
.	O
</s>
<s>
Delta3d	B-Language
is	O
a	O
widely	O
used	O
,	O
community-supported	O
,	O
open-source	B-Application
game	O
and	O
simulation	O
engine	O
.	O
</s>
<s>
delta3d	B-Language
is	O
appropriate	O
for	O
a	O
wide	O
variety	O
of	O
uses	O
including	O
training	O
,	O
education	O
,	O
visualization	O
,	O
and	O
entertainment	O
.	O
</s>
<s>
Delta3d	B-Language
is	O
unique	O
,	O
because	O
it	O
offers	O
features	O
specifically	O
suited	O
to	O
the	O
Modeling	O
,	O
Simulation	O
and	O
DoD	O
communities	O
,	O
such	O
as	O
the	O
High	O
Level	O
Architecture	O
(	O
HLA	O
)	O
,	O
After	O
Action	O
Review	O
(	O
AAR	O
)	O
,	O
large	O
scale	O
terrain	O
support	O
,	O
and	O
SCORM	O
Learning	O
Management	O
System	O
(	O
LMS	O
)	O
integration	O
.	O
</s>
<s>
Delta3d	B-Language
is	O
an	O
Open	B-Application
Source	I-Application
engine	O
which	O
can	O
be	O
used	O
for	O
games	O
,	O
simulations	O
,	O
or	O
other	O
graphical	O
applications	O
.	O
</s>
<s>
Its	O
modular	B-Architecture
design	O
integrates	O
other	O
well-known	O
Open	B-Application
Source	I-Application
projects	O
such	O
as	O
Open	O
Scene	O
Graph	O
,	O
Open	B-Application
Dynamics	I-Application
Engine	I-Application
,	O
Character	O
Animation	O
Library	O
(	O
CAL3D	O
)	O
,	O
and	O
OpenAL	B-Application
.	O
</s>
<s>
Rather	O
than	O
bury	O
the	O
underlying	O
modules	B-Architecture
,	O
Delta3D	B-Language
integrates	O
them	O
together	O
in	O
an	O
easy-to-use	O
Application	B-Application
programming	I-Application
interface	I-Application
(	O
API	B-Application
)	O
--	O
always	O
allowing	O
access	O
to	O
the	O
important	O
underlying	O
components	O
.	O
</s>
<s>
This	O
provides	O
a	O
high-level	O
API	B-Application
,	O
while	O
still	O
allowing	O
the	O
end	O
user	O
the	O
option	O
of	O
having	O
low-level	O
functionality	O
.	O
</s>
<s>
The	O
Delta3D	B-Language
engine	O
renders	O
using	O
the	O
Open	B-Application
Graphics	I-Application
Library	I-Application
(	O
OpenGL	B-Application
)	O
that	O
imports	O
a	O
whole	O
list	O
of	O
diverse	O
file	O
formats	O
(	O
.flt	B-Application
,	O
.3ds	O
,	O
.obj	O
,	O
even	O
more	O
so	O
)	O
.	O
</s>
<s>
For	O
a	O
full	O
list	O
of	O
features	O
,	O
please	O
see	O
the	O
Delta3d	B-Language
Feature	O
List	O
page	O
.	O
</s>
<s>
Delta3d	B-Language
is	O
developed	O
and	O
tested	O
on	O
Windows	B-Application
XP	I-Application
using	O
Microsoft	B-Application
Visual	I-Application
Studio	I-Application
,	O
OS	B-Application
X	I-Application
using	O
Clang	B-Application
,	O
as	O
well	O
as	O
Linux	B-Application
using	O
GCC	B-Application
.	O
</s>
<s>
All	O
the	O
underlying	O
dependencies	O
are	O
cross-platform	B-Operating_System
as	O
well	O
,	O
so	O
just	O
about	O
any	O
platform	O
should	O
be	O
compatible	O
with	O
a	O
few	O
minor	O
modifications	O
to	O
the	O
source	O
.	O
</s>
<s>
Delta3d-Extras	O
is	O
a	O
project	O
housed	O
on	O
SourceForge	B-Application
which	O
contains	O
numerous	O
projects	O
related	O
to	O
the	O
Delta3d	B-Language
Engine	O
.	O
</s>
<s>
Delta3d-Extras	O
is	O
not	O
necessarily	O
developed	O
or	O
maintained	O
by	O
the	O
delta3d	B-Language
Development	O
Team	O
.	O
</s>
<s>
However	O
it	O
is	O
available	O
for	O
the	O
community	O
to	O
share	O
their	O
delta3d-related	O
projects	O
with	O
the	O
world	O
.	O
</s>
<s>
Simulation	O
Core	O
,	O
commonly	O
referred	O
to	O
as	O
SimCore	O
,	O
is	O
a	O
"	O
collaborative	O
"	O
implementation	O
of	O
delta3d	B-Language
functionality	O
—	O
providing	O
the	O
"	O
base	O
"	O
capabilities	O
for	O
an	O
MMORPG	B-Protocol
application	O
using	O
delta3d	B-Language
.	O
</s>
<s>
In	O
order	O
to	O
build	O
and	O
"	O
run	O
"	O
SimCore	O
many	O
additional	O
libraries	O
are	O
required	O
,	O
including	O
additions	O
to	O
the	O
core	O
Delta3d	B-Language
build	O
.	O
</s>
<s>
A	O
"	O
Physics	O
Abstraction	O
Layer	O
"	O
(	O
PAL	O
)	O
,	O
is	O
used	O
to	O
provide	O
a	O
standard	O
API	B-Application
to	O
various	O
physics	O
libraries	O
.	O
</s>
<s>
Several	O
open-source	B-Application
products	O
are	O
part	O
of	O
the	O
Delta3d	B-Language
package	O
.	O
</s>
<s>
One	O
can	O
build	O
them	O
or	O
use	O
the	O
provided	O
binaries/libraries	O
to	O
build	O
and	O
run	O
Delta3d	B-Language
based	O
applications	O
on	O
one	O
's	O
own	O
computer	O
system	O
.	O
</s>
<s>
The	O
current	O
version	O
of	O
a	O
product	O
may	O
not	O
be	O
compatible	O
with	O
delta3d	B-Language
.	O
</s>
