Package androidx.constraintlayout.core.motion.utils

Class VelocityMatrix

java.lang.Object

androidx.constraintlayout.core.motion.utils.VelocityMatrix

public class VelocityMatrix
extends java.lang.Object

This is used to calculate the related velocity matrix for a post layout matrix

Constructor Summary

Constructors

Constructor	Description
VelocityMatrix()

Method Summary

Modifier and Type	Method	Description
void	applyTransform(float locationX, float locationY, int width, int height, float[] mAnchorDpDt)	Apply the transform a velocity vector
void	clear()
void	setRotationVelocity(KeyCycleOscillator oscR, float position)
void	setRotationVelocity(SplineSet rot, float position)
void	setScaleVelocity(KeyCycleOscillator oscSx, KeyCycleOscillator oscSy, float position)
void	setScaleVelocity(SplineSet scaleX, SplineSet scaleY, float position)
void	setTranslationVelocity(KeyCycleOscillator oscX, KeyCycleOscillator oscY, float position)
void	setTranslationVelocity(SplineSet transX, SplineSet transY, float position)

Methods inherited from class java.lang.Object

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

Constructor Detail

VelocityMatrix

public VelocityMatrix()

Method Detail

clear

public void clear()

setRotationVelocity

public void setRotationVelocity(SplineSet rot,
                                float position)

setTranslationVelocity

public void setTranslationVelocity(SplineSet transX,
                                   SplineSet transY,
                                   float position)

setScaleVelocity

public void setScaleVelocity(SplineSet scaleX,
                             SplineSet scaleY,
                             float position)

setRotationVelocity

public void setRotationVelocity(KeyCycleOscillator oscR,
                                float position)

setTranslationVelocity

public void setTranslationVelocity(KeyCycleOscillator oscX,
                                   KeyCycleOscillator oscY,
                                   float position)

setScaleVelocity

public void setScaleVelocity(KeyCycleOscillator oscSx,
                             KeyCycleOscillator oscSy,
                             float position)

applyTransform

public void applyTransform(float locationX,
                           float locationY,
                           int width,
                           int height,
                           float[] mAnchorDpDt)

Apply the transform a velocity vector