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java.lang.Object | +--com.sun.j3d.utils.behaviors.sensor.SensorInputAdaptor | +--com.sun.j3d.utils.behaviors.vp.WandViewBehavior.ListenerBase
A base class for implementing some of this behavior's listeners.
Field Summary | |
protected Transform3D |
sensorToTracker
The initial transform from sensor coordinates to tracker base coordinates, set by initAction . |
protected Transform3D |
sensorToVworld
The initial transform from sensor coordinates to virtual world coordinates, set by initAction . |
protected Transform3D |
trackerToVworld
The initial transform from tracker base coordinates to virtual world coordinates, set by initAction . |
protected Transform3D |
viewPlatformToVworld
The initial transform from view platform coordinates to virtual world coordinates, set by initAction . |
Constructor Summary | |
WandViewBehavior.ListenerBase()
|
Method Summary | |
protected void |
conditionViewScale(Transform3D viewPlatformToVworld)
Equalizes the scale factors in the view tranform, which must be congruent. |
protected void |
endAction(Sensor s)
Ends the action. |
protected double |
getPhysicalToViewPlatformScale()
Gets the scale from physical units to view platform units. |
protected double |
getPhysicalToVirtualScale()
Gets the physical to virtual scale. |
protected void |
initAction(Sensor s)
Initializes the listener action. |
protected boolean |
isActive()
Returns true if the listener is currently active; that is, if initAction has been called but not yet
endAction . |
void |
pressed(SensorEvent e)
This method is called when a sensor's button is pressed. |
void |
released(SensorEvent e)
This method is called when a sensor's button is released. |
protected void |
transformAboutCenter(Transform3D target,
Point3d center,
Transform3D transform)
Transforms the target coordinate system about a center point. |
protected void |
translateTransform(Transform3D transform,
Vector3d translation)
Translates a coordinate system. |
Methods inherited from class com.sun.j3d.utils.behaviors.sensor.SensorInputAdaptor |
clicked, dragged, read |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected Transform3D viewPlatformToVworld
initAction
.
protected Transform3D trackerToVworld
initAction
.
protected Transform3D sensorToVworld
initAction
.
protected Transform3D sensorToTracker
initAction
.
Constructor Detail |
public WandViewBehavior.ListenerBase()
Method Detail |
protected void initAction(Sensor s)
pressed
or when a 2D
valuator exits the deadzone threshold.
s
- reference to a 6DOF sensor if used by the listener; may
be null
protected void endAction(Sensor s)
released
or when a 2D valuator enters the deadzone
threshold.
s
- reference to a 6DOF sensor if used by the listener; may
be null
protected boolean isActive()
initAction
has been called but not yet
endAction
.
public void pressed(SensorEvent e)
SensorButtonListener
pressed
in interface SensorButtonListener
pressed
in class SensorInputAdaptor
e
- the sensor eventpublic void released(SensorEvent e)
SensorButtonListener
released
in interface SensorButtonListener
released
in class SensorInputAdaptor
e
- the sensor eventprotected double getPhysicalToVirtualScale()
protected double getPhysicalToViewPlatformScale()
protected void translateTransform(Transform3D transform, Vector3d translation)
transform
- the coordinate system to be translatedtranslation
- the vector by which to translateprotected void transformAboutCenter(Transform3D target, Point3d center, Transform3D transform)
target
- the coordinate system to transformcenter
- the center point about which to transformtransform
- the transform to applyprotected void conditionViewScale(Transform3D viewPlatformToVworld)
ViewingPlatform
TransformGroup
is updated; otherwise, its transform is reset
to the home transform. This should be called if multiple
incremental scale factors are applied to the view transform.
viewPlatformToVworld
- the view transform
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