8

Motion Parameters Rollout 1037
Accel(eration) Weight—
Specifies how much the
delegate should speed up when moving at a
downward slant. Default=0.1.
See
Decel Weight for a full explanation, taking into
account that Accel Weight produces a speedup
effect rather than a slowdown. Thus, the effective
acceleration weight is added to 1, not subtracted
from it.
At Decline Angle—Specifies the downward slant
angle at which Accel Weight’s full speedup effect is
applied. Default=90.0.
Turning group
These p ar ameters affect the delegate’s tur ning
behavior; that is, how it changes d i rection in
response to forces applied by crowd behaviors.
Yo u c a n u s e t h e
Orientation behavior (page
2–1066)
to affect how a delegate turns and banks,
independently of the actual path taken.
Turning applies to objects moving both on the
ground and in the air.
Max Turn Velocity—Specifies the maximum
number of degrees a delegate can turn per frame.
Applies both to heading and pitch. Default=30.0.
Max Turn Accel—Specifies how much the delegate’s
heading or pitch ang le can change per fra me. This
controls angular acceleration and deceleration. For
smooth turns, keep it relatively low. Default=3.0.
Tip: If a delegate exhibits sluggish turning behavior
during a simulation, try increasing Max Turn
Velocity, Max Turn Accel, or both.
Max Incline—Specifies the maximum number
of degrees a delegate can turn upward at any
given frame. For example, most birds can’t fly
straight up, so you mig ht set this to 45 for a bird.
Default=90.0.
Ma x Decline—Specifies the maximum number of
degrees a delegate can turn downward at any given
frame. Default=90.0.
For example, for a bird that c an’t fly st raight up but
can fly straight dow n, you might set to Max Incline
to 45 and Max Decline to 90.
Bankin g group
These parameters affect the delegate’s banking
behavior; that is, how it tilts around its front-back
axis as it changes direction while moving. Banking
t ypically applies to objects moving in the air or on
water, but can also apply to ground-based objects
such as one- or two-wheeled vehicles.
Max Bank—Specifies the maximum number of
degrees a delegate can ban k . Default=30.0.
Max B ank Velocity—Specifies the maximum
number of degrees a delegate can bank per f r ame.
Default=3.0.
Bank per Turn—The number of degrees the delegate
willbankasafunctionoftheturnangleatthe
current fr ame. For example, if Bank Per Turn=1,
the delegate will bank one degree for every degree
it is turning at a given f rame. Default=1.0.