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1036 Chapter 14: Character Studio
axis) throughout the simulation. When off, the
delegate’s height can change during the simulation,
for example w hen seeking an object at a different
height. Default=on.
Bound Box of Hierarchy—When on, the Avoid
behav ior (page 2–1063)
uses the bounding box of
the delegate and all of its children to perform its
behavior. Default=on.
Speed group
Average S peed—Specifies the delegate’s baseline
velocity in 3ds Max units (or the current unit typ e)
per frame. Default=5.0.
The delegate’s speed can be modified during the
simulation by a variety of factors, such as a linked
biped’s built-in speed and Deviation settings in
abehavior.
Ma x Accel(er ation)—Multiplied times Average
Speed to determine the maximum acceleration.
Default=0.1.
For example, given the defaults of 5.0 for Average
Speed and 0.1 fo r Max Accel, the acceleration or
deceleration at any moment can be no greater than
0.5 units/f rame/f rame.
Decel(eration) Weight—Specifies how much a
delegate should slow down when turning.
The hig her this setting , the more the delegate slows
down when it reaches the turn angle (see following
parameter). A value of 0 specifies no slowdown; a
value of 1 tells the delegate to stop . Default=0.3.
Thealgorithmcomputesavalue,d,whichgoes
linearlyfrom0to(1-DecelWeight)astheturn
angle of the delegate goes from 0 to the Turn Angle
specified by the user. The speed of the delegate
is then multiplied by d. For example, when the
delegate turns at the Turn Angle or greater, its
speed will be multiplied by (1 - Decel Weight),
slowingitdownasmuchaspossiblebasedonthis
parameter. When the delegate is not turning at
all, its speed is not affected by the Decel Weight.
Whenthedelegateisturningathalfthespecified
Turn Angle, d = Decel Weight / 2, so its speed will
be multiplied by (1 - Decel Weight / 2).
Asapracticalexample,takeadelegatetraveling
at 10 units/frame. Decel Weig ht is set to 0.4, and
AtTurnAngleissetto30.Whenthedelegatehas
turned 15 degrees (half the At Tur n Angle), the
effective deceleration weight is 0.2. Subtract that
quantit y from 1 to get 0.8, and then multiply t hat
times the delegate’s speed to get 8 units per second
halfway into the turn . At the full turn (30 degrees),
thedelegatetravelsat6unitsperframe.
At Tur n Angl e—Specifies the turn angle at which
Decel Weight’s full slowdown effect is applied.
Default=10.0.
If the current turn angle i s less than At Turn Angle,
the algorithm divides the latter by the former, and
then divides the Decel Weight setting by the result
to derive the effective deceleration weight.
Decel(eration) Weight—Specifies how much the
delegate should slow down when moving at an
upward slant. Default=0.1.
See
Decel Weight for a full explanation.
At Incline A ngle—Specifies the upward slant angle
at which Decel Weight’s full slowdown effect is
applied. Default=90.0.