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The Lemur User Manual
71
1: faded purple
2: lime green
3: “lemur” yellow/orange (see screen shot above)
4: lemon yellow
5: red
6: teal blue
7: deep blue
8: sea green
9: intense purple
10: white/grey
Behavior Properties
Ephemeral If checked, the MultiBall behaves in a mode where the balls disappear until you
touch it with one or more fingers. The brightness of the balls becomes the value
of the z variable of the Object, and the way the brightness changes over time is
controlled by an ADSR envelope (described below). When Ephemeral is not
checked, the balls are always visible and their z values are constantly 1.
Capture If Capture is checked, an Object will only react to cursors that were created
inside its area. Even if the cursor later leaves the Object for another position, it
will remain in control of the original Object, until it is destroyed eventually. When
Capture is off, the old school way from previous versions is restored, meaning an
Object will react to whatever cursor is present at any moment in its area.
Cursor Mode If set to Limited, the Balls will respond to a new cursor only if the original one
has been destroyed (i.e. finger is raised)
In Barycentric mode each cursor, old and new, has the same
amount of influence on the Object.
Get Oldest Ball: If all the balls are currently “possessed” by your
fingers and a new cursor comes in, it will take control of the oldest ball (the one
that lived the longest in Ephemeral mode or the first ball in normal mode).
Get Closest Ball: In the same situation, the new cursor gets
attributed the ball that is the closest in distance.
Physics Can be one of three settings: None, Interpolate, or Mass-Spring.
If Physics is set to None, balls move to finger positions immediately,
and the settings of Attraction and Friction are ignored.
If Physics is set to Interpolate, balls move toward finger positions
according to the value of Attraction. Larger values for attraction (up to 1) cause a
ball to move to a finger position more quickly. As the Attraction value is lowered,
the balls take longer to arrive at the finger position. When Attraction is set to 0,
balls cannot be moved by your finger.
If Physics is set to Mass-Spring, Attraction and Friction are both
active. Attraction works as described above under Interpolation. Friction ranges
between 0 and 1. Lower values of friction mean that if a ball is moving it will tend
to keep moving. With a value of 0, the balls will essentially never stop moving. At
a value of 1, a ball will move only where you touch with your finger. Values of 1
for Attraction and Friction are essentially the same as if Physics is set to
Interpolate.
Attraction The amount of attraction the cursors (your fingers) have on the Balls.