androidx.constraintlayout.core.motion.utils

Class CurveFit

java.lang.Object

androidx.constraintlayout.core.motion.utils.CurveFit

Direct Known Subclasses:

ArcCurveFit, LinearCurveFit, MonotonicCurveFit

public abstract class CurveFit
extends java.lang.Object

Base class for curve fitting / interpolation Curve fits must be capable of being differentiable and extend beyond the points (extrapolate)

Field Summary

Fields

Modifier and Type	Field and Description
static int	CONSTANT
static int	LINEAR
static int	SPLINE

Constructor Summary

Constructors

Constructor and Description
CurveFit()

Method Summary

Modifier and Type	Method and Description
static CurveFit	get(int type, double[] time, double[][] y)
static CurveFit	getArc(int[] arcModes, double[] time, double[][] y)
abstract void	getPos(double t, double[] v)
abstract void	getPos(double t, float[] v)
abstract double	getPos(double t, int j)
abstract void	getSlope(double t, double[] v)
abstract double	getSlope(double t, int j)
abstract double[]	getTimePoints()

Methods inherited from class java.lang.Object

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

Field Detail

SPLINE

public static final int SPLINE

See Also:

Constant Field Values

LINEAR

public static final int LINEAR

See Also:

Constant Field Values

CONSTANT

public static final int CONSTANT

See Also:

Constant Field Values

Constructor Detail

CurveFit

public CurveFit()

Method Detail

get

public static CurveFit get(int type,
                           double[] time,
                           double[][] y)

getArc

public static CurveFit getArc(int[] arcModes,
                              double[] time,
                              double[][] y)

getPos

public abstract void getPos(double t,
                            double[] v)

getPos

public abstract void getPos(double t,
                            float[] v)

getPos

public abstract double getPos(double t,
                              int j)

getSlope

public abstract void getSlope(double t,
                              double[] v)

getSlope

public abstract double getSlope(double t,
                                int j)

getTimePoints

public abstract double[] getTimePoints()