androidx.constraintlayout.core.motion.utils

Class TimeCycleSplineSet

java.lang.Object

androidx.constraintlayout.core.motion.utils.TimeCycleSplineSet

Direct Known Subclasses:

TimeCycleSplineSet.CustomSet, TimeCycleSplineSet.CustomVarSet

public abstract class TimeCycleSplineSet
extends java.lang.Object

This engine allows manipulation of attributes by wave shapes oscillating in time

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TimeCycleSplineSet.CustomSet
static class	TimeCycleSplineSet.CustomVarSet
protected static class	TimeCycleSplineSet.Sort

Field Summary

Fields

Modifier and Type	Field and Description
protected int	count
protected static int	CURVE_OFFSET
protected static int	CURVE_PERIOD
protected static int	CURVE_VALUE
protected float	last_cycle
protected long	last_time
protected float[]	mCache
protected boolean	mContinue
protected CurveFit	mCurveFit
protected int[]	mTimePoints
protected java.lang.String	mType
protected float[][]	mValues
protected int	mWaveShape
protected static float	VAL_2PI

Constructor Summary

Constructors

Constructor and Description
TimeCycleSplineSet()

Method Summary

Modifier and Type	Method and Description
protected float	calcWave(float period)
CurveFit	getCurveFit()
void	setPoint(int position, float value, float period, int shape, float offset)
protected void	setStartTime(long currentTime)
void	setType(java.lang.String type)
void	setup(int curveType)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

mCurveFit

protected CurveFit mCurveFit

mWaveShape

protected int mWaveShape

mTimePoints

protected int[] mTimePoints

mValues

protected float[][] mValues

count

protected int count

mType

protected java.lang.String mType

mCache

protected float[] mCache

CURVE_VALUE

protected static final int CURVE_VALUE

See Also:

Constant Field Values

CURVE_PERIOD

protected static final int CURVE_PERIOD

See Also:

Constant Field Values

CURVE_OFFSET

protected static final int CURVE_OFFSET

See Also:

Constant Field Values

VAL_2PI

protected static float VAL_2PI

mContinue

protected boolean mContinue

last_time

protected long last_time

last_cycle

protected float last_cycle

Constructor Detail

TimeCycleSplineSet

public TimeCycleSplineSet()

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

setType

public void setType(java.lang.String type)

calcWave

protected float calcWave(float period)

Parameters:

period - cycles per second

Returns:

getCurveFit

public CurveFit getCurveFit()

setStartTime

protected void setStartTime(long currentTime)

setPoint

public void setPoint(int position,
                     float value,
                     float period,
                     int shape,
                     float offset)

setup

public void setup(int curveType)