org.web3d.vrml.device
Class TrackerState

java.lang.Object
  org.web3d.vrml.device.DeviceState
      org.web3d.vrml.device.TrackerState

public class TrackerState

extends DeviceState

Holds a single tracker's state.

A sensor is responsible for converting its coordinates into worldCoordinates Needs to return position, orientation and button state action(Picking, Navigation, Orientation)

Version:

$Revision: 1.5 $

Author:

Alan Hudson

Field Summary

int	actionMask A mask of actions this tracker might return.
int	actionType What action is this state record for
int[]	buttonMode What navigation mode should this button use
boolean[]	buttonState
float[]	deviceOri An orientation vector in device coords
float[]	devicePos The position of the tracker in device coordinates
int	numButtons The number of buttons the tracker has
boolean[]	pickingEnabled Is picking enabled for this button
static int	TYPE_BUTTON Only a button changed state, nothing else
static int	TYPE_CLICK The action type was a click
static int	TYPE_DRAG The action type was a drag
static int	TYPE_MOVE The action type was a movement
static int	TYPE_NONE No type event was processed
static int	TYPE_ORIENTATION The action type was a orientation change
static int	TYPE_PRESS The action type was a press
static int	TYPE_RELEASE The action type was a release
float[]	worldOri The orientation in world coordinates
float[]	worldPos The position in world coordinates.

Constructor Summary

TrackerState()
Create a new default state.

Methods inherited from class org.web3d.vrml.device.DeviceState

clearChanged

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

TYPE_NONE

public static final int TYPE_NONE

No type event was processed

See Also:

Constant Field Values

TYPE_PRESS

public static final int TYPE_PRESS

The action type was a press

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Constant Field Values

TYPE_DRAG

public static final int TYPE_DRAG

The action type was a drag

See Also:

Constant Field Values

TYPE_CLICK

public static final int TYPE_CLICK

The action type was a click

See Also:

Constant Field Values

TYPE_RELEASE

public static final int TYPE_RELEASE

The action type was a release

See Also:

Constant Field Values

TYPE_MOVE

public static final int TYPE_MOVE

The action type was a movement

See Also:

Constant Field Values

TYPE_ORIENTATION

public static final int TYPE_ORIENTATION

The action type was a orientation change

See Also:

Constant Field Values

TYPE_BUTTON

public static final int TYPE_BUTTON

Only a button changed state, nothing else

See Also:

Constant Field Values

actionMask

public int actionMask

A mask of actions this tracker might return. Defined in Tracker

actionType

public int actionType

What action is this state record for

devicePos

public float[] devicePos

The position of the tracker in device coordinates

deviceOri

public float[] deviceOri

An orientation vector in device coords

worldPos

public float[] worldPos

The position in world coordinates.

worldOri

public float[] worldOri

The orientation in world coordinates

buttonState

public boolean[] buttonState

pickingEnabled

public boolean[] pickingEnabled

Is picking enabled for this button

buttonMode

public int[] buttonMode

What navigation mode should this button use

numButtons

public int numButtons

The number of buttons the tracker has

Constructor Detail

TrackerState

public TrackerState()

Create a new default state. The type is set to NONE and all items are initialised to zero arrays.