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Class java.media.j3d.Sensor

java.lang.Object
   |
   +----java.media.j3d.Sensor

public class Sensor

extends Object

HAND_PREDICTOR

Assume the sensor is predicting hand position/orientation

HEAD_PREDICTOR

Assume the sensor is predicting head position/orientation

NO_PREDICTOR

Use no prediction policy

PREDICT_NEXT_FRAME_TIME

Generate the value to correspond with the next frame time

PREDICT_NONE

Do no prediction

Sensor()

Construct a new sensor, consisting of a set of readings and an a hot spot at (0.0, 0.0, 0.0) in its own coordinate system.

Sensor(double, double, double)

Construct a new sensor, consisting of a set of readings and an offset defining the sensor's hot spot in its own coordinate system.

Sensor(Point3d)

Construct a new sensor, consisting of a set of readings and an offset defining the sensor's hot spot in its own coordinate system.

getHotspot(Point3d)

Get the sensor's hotspot offset in this sensor's coordinate system.

getPredictionPolicy()

getPredictor()

getRead(Transform3D)

Computes the sensor reading consistent with the prediction policy and copies that value into the specified argument.

getRead(Transform3D, long)

Computes the sensor reading consistent as of time deltaT in the future and copies that value into the specified argument.

getSensorReadCount()

Get the current sensor read count.

lastButtons()

Returns the state of the buttons associated with the most recent sensor reading.

lastButtons(int)

Returns the state of the buttons associated with the kth most recent sensor reading.

lastRead(Transform3D)

Extracts the most recent sensor reading and copies that value into the specified argument.

lastRead(Transform3D, int)

Extracts the kth most recent sensor reading and copies that value into the specified argument.

lastTime()

Returns the time associated with the most recent sensor reading.

lastTime(int)

Returns the time associated with the kth most recent sensor reading.

setHotspot(Point3d)

Set the sensor's hotspot offset in this sensor's coordinate system.

setPredictionPolicy(int)

setPredictor(int)

setSensorReadCount(int)

Set the number of sensor read objects per Sensor.

 public static final int PREDICT_NONE

Do no prediction

 public static final int PREDICT_NEXT_FRAME_TIME

Generate the value to correspond with the next frame time

 public static final int NO_PREDICTOR

Use no prediction policy

 public static final int HEAD_PREDICTOR

Assume the sensor is predicting head position/orientation

 public static final int HAND_PREDICTOR

Assume the sensor is predicting hand position/orientation

 public Sensor()

Construct a new sensor, consisting of a set of readings and an a hot spot at (0.0, 0.0, 0.0) in its own coordinate system.

 public Sensor(double x,
               double y,
               double z)

Construct a new sensor, consisting of a set of readings and an offset defining the sensor's hot spot in its own coordinate system.

Parameters:

hotspot - The sensor's hotspot defined in its local coordinate system.

 public Sensor(Point3d hotspot)

Construct a new sensor, consisting of a set of readings and an offset defining the sensor's hot spot in its own coordinate system.

Parameters:

hotspot - The sensor's hotspot defined in its local coordinate system.

 public void setPredictor(int predictor)

 public int getPredictor()

 public void setPredictionPolicy(int policy)

 public int getPredictionPolicy()

 public void setHotspot(Point3d hotspot)

Set the sensor's hotspot offset in this sensor's coordinate system.

Parameters:

hotspot - the sensor's new hotspot

 public void getHotspot(Point3d hotspot)

Get the sensor's hotspot offset in this sensor's coordinate system.

Parameters:

hotspot - the variable to receive the sensor's hotspot

 public void getRead(Transform3D read)

Computes the sensor reading consistent with the prediction policy and copies that value into the specified argument.

Parameters:

read - The matrix that will receive the predicted sensor reading

 public void getRead(Transform3D read,
                     long deltaT)

Computes the sensor reading consistent as of time deltaT in the future and copies that value into the specified argument.

Parameters:

read - The matrix that will receive the predicted sensor reading

deltaT - The time delta into the future for this read

 public void lastRead(Transform3D read)

Extracts the most recent sensor reading and copies that value into the specified argument.

Parameters:

read - The matrix that will receive the most recent sensor reading

 public long lastTime()

Returns the time associated with the most recent sensor reading.

Returns:

the time associated with the most recent sensor reading.

 public boolean[] lastButtons()

Returns the state of the buttons associated with the most recent sensor reading.

Returns:

the state of the buttons associated with the most recent sensor reading.

 public void lastRead(Transform3D read,
                      int kth)

Extracts the kth most recent sensor reading and copies that value into the specified argument.

Parameters:

read - The matrix that will receive the most recent sensor reading

 public long lastTime(int k)

Returns the time associated with the kth most recent sensor reading.

Returns:

the time associated with the kthmost recent sensor reading.

 public boolean[] lastButtons(int k)

Returns the state of the buttons associated with the kth most recent sensor reading.

Returns:

the state of the buttons associated with the kth most recent sensor reading.

 public int getSensorReadCount()

Get the current sensor read count.

Returns:

s the number of sensor read objects per sensor

 public void setSensorReadCount(int count)

Set the number of sensor read objects per Sensor. This is a calibration parameter that should be set before initializing Java 3D.

Parameters:

count - the new sensor read count

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