<s>
Parametric	B-General_Concept
animation	I-General_Concept
is	O
an	O
animation	O
technique	O
used	O
in	O
video	O
game	O
graphics	O
that	O
combines	O
two	O
or	O
more	O
separate	O
animations	O
together	O
to	O
form	O
a	O
new	O
composite	O
animation	O
.	O
</s>
<s>
Parametric	B-General_Concept
animations	I-General_Concept
can	O
reduce	O
artist	O
workload	O
during	O
game	O
development	O
and	O
provide	O
a	O
smoother	O
appearance	O
.	O
</s>
<s>
This	O
technique	O
was	O
first	O
used	O
in	O
an	O
early	O
version	O
of	O
the	O
game	O
Team	B-Application
Fortress	I-Application
2	I-Application
.	O
</s>
<s>
With	O
parametric	B-General_Concept
animation	I-General_Concept
,	O
an	O
animator	O
only	O
needs	O
to	O
create	O
a	O
few	O
base	O
animations	O
from	O
which	O
the	O
composite	O
animations	O
can	O
be	O
automatically	O
constructed	O
.	O
</s>
