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Edit goal attributes
Work with goals
Create particle collisions
Animate goal behavior
The techniques
for animating goal behavior follow:
- You
can animate a goal’s influence off and on with a key, expression,
or other animation technique.
- You
can set keys to animate the value of the per object goal weight.
- You
can tune the effect of goal weight animation as the goal weight increases
or decreases over time.
To
key a goal’s influence off (or on)
- Select
the trailing particle object.
- Display
the Attribute Editor and open the Goal
Weights and Objects section.
If
the trailing particle object has multiple goal objects, there is
one Goal Active entry for each.
Each is listed under the goal weight slider named after the goal
object.
- Turn Goal
Active off.
- Key
the attribute (see Animation).
To animate the value of per object
goal weight
- Set
the value of the goal weight as described in
Set goal weights on a per-object basis.
- Key
the attribute.
You cannot set keys for per particle goal weights.
To
tune goal weight animation
- Select
the trailing particle object.
- Display
the Attribute Editor and open the Goal
Weights and Objects section.
- Set the Goal Smoothness to
a value of 1 or greater, as follows:
With a Goal Smoothness of
1, the goal weight effect increases proportionally as goal weight
rises in small increments from 0 to 1. For higher values of Goal
Smoothness, the goal weight effect increases slowly as
values rise above 0, and quickly as the values approach 1. Objects
have a default Goal Smoothness of 3.