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java.lang.Objectcom.google.gwt.touch.client.DefaultMomentum
public class DefaultMomentum
Default implementation of momentum.
| Nested Class Summary |
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| Nested classes/interfaces inherited from interface com.google.gwt.touch.client.Momentum |
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Momentum.State |
| Constructor Summary | |
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DefaultMomentum()
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| Method Summary | |
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Momentum.State |
createState(Point initialPosition,
Point initialVelocity)
Create a Momentum.State instance. |
boolean |
updateState(Momentum.State state)
Update the state based on the specified Momentum.State. |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public DefaultMomentum()
| Method Detail |
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public Momentum.State createState(Point initialPosition,
Point initialVelocity)
MomentumMomentum.State instance. The Momentum.State instance will be passed
to Momentum.updateState(State) until the momentum is depleted.
createState in interface MomentuminitialPosition - the initial positioninitialVelocity - the initial velocity in pixels per millisecondpublic boolean updateState(Momentum.State state)
Momentum
Update the state based on the specified Momentum.State. When no more
momentum remains, this method should return false to stop future calls.
The Momentum.State instance is created by a call to
Momentum.createState(Point, Point), and the same instance if used for the
duration of the momentum. This method should modify the existing state by
calling Momentum.State.setPosition(Point) and/or
Momentum.State.setVelocity(Point).
updateState in interface Momentumstate - the current state
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