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812 Chapter 14: Character Studio
w ith the fi ltered trajectory on the biped. This
assumes a mot ion capture file has be en loaded.
•ChangingDynamicsBlendforacenterofmass
vertic al key or changing the value of GravAccel
will change gravity in a foostep animation and
w i ll therefore affect the trajector y.
Simple—Collapses the lower p art of the Key
Info rollout, for simplified viewing.
TCB group
You can use t he TCB controls to adjust easing and
trajectories on keys that already exist.
XYZ Position—Reposition the selected biped part
using these spinners.
A hand or foot can b e repositioned in world
coordinate XYZ. The biped center of mass can also
be positioned u sing these spinners.
TCB Gr a ph—Charts the effect that changing the
controller proper ties will have on the animation.
Theredmarkatthetopofthecurverepresentsthe
key.Themarkstotheleftandrightofthecurve
represent an even division of time to either side
of the key.
The TCB graph is a stylized representation of the
animation around a single key.
Ease To—Slows the velocity of the animation curve
as it approaches the key. Default=0.
High Ease To causes the animation to decelerate
as it approaches the key.
The default setting causes no extra deceleration.
Ease From—Slows the velocity of the animation
curve as it leaves the key. Default=0.
High Ease From causes the animation to start slow
and accelerate as it leaves the key.
The default setting causes no change of the
animation curve.
Tens ion—Controls the amount of curvature in the
animation curve.
High Tension produces a linear curve. It also has a
slight Ea se To and Ease From effect.
Low Tension produces a very w ide, rounded,
curve. It als o has a slight negative Ease To and
Ease From effect.
The default value of 25 produces an even amount
of curv ature through the key.
Co ntinuity—Controls the tangential property of
the curve at the key. The default setting is the
only value that produces a smooth animation
curve through the key. All other va lues produce a
discontinuity in the animation curve causing an
abrupt change in the animation. Default=25.
High Continuity values create curved overshoot
on both sides of the key.
Low Continuity values create a linear animation
cur ve. Low continuity creates a linear curve
similar to high tension except without the Ease To
andEaseFromsideeffect.
The default setting creates a smooth continuous
curve at the key.