Package net.paulhertz.pixelaudio.schedule

Class GestureScheduleBuilder

java.lang.Object

net.paulhertz.pixelaudio.schedule.GestureScheduleBuilder

public final class GestureScheduleBuilder
extends Object

Build schedules for classes that implement PAGesture or use PAGesture implementers, for example to build, interpolate, and warp time and point lists.

Constructor Summary

Constructors

Constructor	Description
GestureScheduleBuilder()

Method Summary

Modifier and Type	Method	Description
GestureSchedule	build(PACurveMaker brush, GestureGranularConfig cfg, float sampleRate)	Builds a gesture schedule from a curve and granular playback configuration.
(package private) static float	constrain01(float u)
(package private) static float	easeInOutPow(float u, float exp)
private static int	findSegment(float[] u, float uk)
private GestureSchedule	getBaseSchedule(PACurveMaker brush, GestureGranularConfig cfg)
private static float	lerpFloatByU(float[] a, float[] u, float uk)
private static processing.core.PVector	lerpPointByU(List<processing.core.PVector> pts, float[] u, float uk)
private static GestureSchedule	resampleToCount(GestureSchedule in, int count)
private static GestureSchedule	scaleToDurationMs(GestureSchedule in, int targetDurationMs)
private static GestureSchedule	toFixedHopScheduleMs(GestureSchedule in, int hopSamples, float sampleRate)
private static GestureSchedule	warpScheduleTimesMs(GestureSchedule in, GestureGranularConfig.WarpShape shape, float exponent)
private static float	warpU(float u, GestureGranularConfig.WarpShape shape, float exponent)

Methods inherited from class java.lang.Object

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

Constructor Details

GestureScheduleBuilder

public GestureScheduleBuilder()

Method Details

build

public GestureSchedule build(PACurveMaker brush,
 GestureGranularConfig cfg,
 float sampleRate)

Builds a gesture schedule from a curve and granular playback configuration.

Parameters:

brush - source gesture curve

cfg - schedule-building configuration

sampleRate - audio sample rate in Hz

Returns:

generated gesture schedule

getBaseSchedule

private GestureSchedule getBaseSchedule(PACurveMaker brush,
 GestureGranularConfig cfg)

toFixedHopScheduleMs

private static GestureSchedule toFixedHopScheduleMs(GestureSchedule in,
 int hopSamples,
 float sampleRate)

resampleToCount

private static GestureSchedule resampleToCount(GestureSchedule in,
 int count)

lerpPointByU

private static processing.core.PVector lerpPointByU(List<processing.core.PVector> pts,
 float[] u,
 float uk)

lerpFloatByU

private static float lerpFloatByU(float[] a,
 float[] u,
 float uk)

findSegment

private static int findSegment(float[] u,
 float uk)

scaleToDurationMs

private static GestureSchedule scaleToDurationMs(GestureSchedule in,
 int targetDurationMs)

warpScheduleTimesMs

private static GestureSchedule warpScheduleTimesMs(GestureSchedule in,
 GestureGranularConfig.WarpShape shape,
 float exponent)

warpU

private static float warpU(float u,
 GestureGranularConfig.WarpShape shape,
 float exponent)

easeInOutPow

static float easeInOutPow(float u,
 float exp)

constrain01

static float constrain01(float u)