com.sun.j3d.audioengines.javasound

Class JSDirectionalSample

java.lang.Object

com.sun.j3d.audioengines.Sample

com.sun.j3d.audioengines.javasound.JSSample

com.sun.j3d.audioengines.javasound.JSPositionalSample

com.sun.j3d.audioengines.javasound.JSDirectionalSample

 class JSDirectionalSample
extends JSPositionalSample

The PostionalSample Class defines the data and methods associated with a PointSound sample played through the AudioDevice.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) Vector3f	xformDirection

Fields inherited from class com.sun.j3d.audioengines.javasound.JSPositionalSample

averageDistances, AWAY, centerEars, currentIndex, deltaTime, dopplerFlag, filterFlag, filterFreq, firstIndex, headPositionChange, lastActualDopplerRateRatio, lastIndex, lastRequestedDopplerRateRatio, leftDelay, leftGain, MAX_DISTANCES, maxRatio, NO_CHANGE, numDistances, positions, reverbIndex, rightDelay, rightGain, secondIndex, sourcePositionChange, sourceToCenterEar, sourceToLeftEar, sourceToRightEar, times, TOWARDS, xformHeadZAxis, xformLeftEar, xformRightEar

Fields inherited from class com.sun.j3d.audioengines.javasound.JSSample

attackLength, BUFFERED_AUDIO_DATA, BUFFERED_MIDI_DATA, channel, currentRateRatio, dataOffset, dataType, loopLength, loopStartOffset, NULL_SAMPLE, positionDeactivated, rampRateFlag, rateRatio, releaseLength, sampleLength, STREAMING_AUDIO_DATA, STREAMING_MIDI_DATA, targetRateRatio, timeDeactivated, UNSUPPORTED_DATA_TYPE

Fields inherited from class com.sun.j3d.audioengines.Sample

angularDistance, angularFilterCutoff, angularFilterType, angularGain, attenuationDistance, attenuationGain, backAttenuationDistance, backAttenuationGain, debugFlag, direction, dirtyFlags, duration, DURATION_UNKNOWN, gain, internalErrors, loopCount, LOW_PASS, mute, NO_FILTERING, numberOfChannels, obstructionFilterCutoff, obstructionFilterType, obstructionGain, occlusionFilterCutoff, occlusionFilterType, occlusionGain, position, rateScaleFactor, soundData, soundType, vworldXfrm, vwXfrmFlag

Constructor Summary

Constructors

Constructor and Description
JSDirectionalSample()

Method Summary

Methods

Modifier and Type	Method and Description
(package private) float	calculateAngularGain() CalculateAngularGain Simply calls generic (for PointSound) 'findFactor()' with a single set of angular attenuation distance and gain scalefactor arrays.
(package private) float	calculateDistanceAttenuation(float distance) CalculateDistanceAttenuation Simply calls ConeSound specific 'findFactor()' with both front and back attenuation linear distance and gain scale factor arrays.
(package private) void	calculateFilter(float distance, AuralParameters attribs) Calculate Filter
(package private) float	findAngularOffset()
(package private) float	findFactor(double distanceToHead, double[] maxDistanceArray, float[] maxFactorArray, double[] minDistanceArray, float[] minFactorArray)
(package private) double	intersectEllipse(double max, double min)
(package private) void	setXformedDirection()

Methods inherited from class com.sun.j3d.audioengines.javasound.JSPositionalSample

calculateDoppler, calculateNewEar, clear, findFactor, getFilterFlag, getFilterFreq, incrementIndices, panSample, render, reset, setXformedPosition, updateEar

Methods inherited from class com.sun.j3d.audioengines.javasound.JSSample

getCurrentRateRatio, getDataType, getRampRateFlag, getTargetRateRatio, load, setCurrentRateRatio, setDataType, setRampRateFlag, setTargetRateRatio

Methods inherited from class com.sun.j3d.audioengines.Sample

debugPrint, debugPrintln, getDirtyFlags, getDuration, getGain, getLoopCount, getMuteFlag, getNumberOfChannelsUsed, getObstructionGain, getOcclusionGain, getRateScaleFactor, getSoundData, getSoundType, getStartTime, getVWrldXfrmFlag, setAngularAttenuation, setDirection, setDirtyFlags, setDistanceGain, setGain, setLoopCount, setMuteFlag, setObstructionFilter, setObstructionGain, setOcclusionFilter, setOcclusionGain, setPosition, setRateScaleFactor, setSoundData, setSoundType, setVWrldXfrmFlag

Methods inherited from class java.lang.Object

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

Field Detail

xformDirection

Vector3f xformDirection

Constructor Detail

JSDirectionalSample

public JSDirectionalSample()

Method Detail

setXformedDirection

void setXformedDirection()

intersectEllipse

double intersectEllipse(double max,
                      double min)

findFactor

float findFactor(double distanceToHead,
               double[] maxDistanceArray,
               float[] maxFactorArray,
               double[] minDistanceArray,
               float[] minFactorArray)

calculateDistanceAttenuation

float calculateDistanceAttenuation(float distance)

CalculateDistanceAttenuation Simply calls ConeSound specific 'findFactor()' with both front and back attenuation linear distance and gain scale factor arrays.

Overrides:

calculateDistanceAttenuation in class JSPositionalSample

calculateAngularGain

float calculateAngularGain()

CalculateAngularGain Simply calls generic (for PointSound) 'findFactor()' with a single set of angular attenuation distance and gain scalefactor arrays.

Overrides:

calculateAngularGain in class JSPositionalSample

findAngularOffset

float findAngularOffset()

calculateFilter

void calculateFilter(float distance,
                   AuralParameters attribs)

Calculate Filter

Overrides:

calculateFilter in class JSPositionalSample