net.trippedout.android.utils

Class MathUtils

java.lang.Object

net.trippedout.android.utils.MathUtils

public class MathUtils
extends java.lang.Object

Maths are fun

Field Summary

Fields

Modifier and Type	Field and Description
static float	PI
static float	PI_OVER_2
static float	PI_OVER_4
static float	ROOT_PI_OVER_TWO
static float	SQRT_2
static float	TWO_PI

Constructor Summary

Constructors

Constructor and Description
MathUtils()

Method Summary

Modifier and Type	Method and Description
static float	clamp(float x, float min, float max)
static float	clampedMap(float x, float a, float b, float u, float v)
static float	clampedMap(float x, float a, float b, float u, float v, android.view.animation.Interpolator interpolator)
static int	clampedMapInt(float x, float a, float b, int u, int v)
static float	cycle(long time, float period)
static float	cycle(long time, float period, float phaseShift)
static float	cycleBackwards(long time, float period)
static float	degreesToRadians(float degrees)
static float	fractionalPart(float v)
static float	hang(long time, float period)
static float	map(float x, float a, float b, float u, float v)
static float	map(float x, float a, float b, float u, float v, android.view.animation.Interpolator interpolator)
static int	mapInt(float x, float a, float b, int u, int v)
static int	mapInt(float x, float a, float b, int u, int v, android.view.animation.Interpolator interpolator)
static float	mapLoop(float x, float a, float b, float u, float v, android.view.animation.Interpolator interpolator)
static float	oscillate(long time, float period)
static float	oscillate(long time, float period, float phaseShift)
static int	phase(long time, float period, int n)
static float	pulse(long time, float period, float pulseWidth, float phaseShift)
static int	quadrant(long time, float period)
static float	radiansToDegrees(float degrees)
static PointD	rotate(double x, double y, double angle)
static PointD	rotate(double x, double y, double angle, PointD point)

Methods inherited from class java.lang.Object

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

Field Detail

SQRT_2

public static final float SQRT_2

TWO_PI

public static final float TWO_PI

See Also:

Constant Field Values

PI

public static final float PI

See Also:

Constant Field Values

PI_OVER_2

public static final float PI_OVER_2

See Also:

Constant Field Values

PI_OVER_4

public static final float PI_OVER_4

See Also:

Constant Field Values

ROOT_PI_OVER_TWO

public static final float ROOT_PI_OVER_TWO

Constructor Detail

MathUtils

public MathUtils()

Method Detail

clamp

public static float clamp(float x,
                          float min,
                          float max)

degreesToRadians

public static float degreesToRadians(float degrees)

radiansToDegrees

public static float radiansToDegrees(float degrees)

map

public static float map(float x,
                        float a,
                        float b,
                        float u,
                        float v)

mapInt

public static int mapInt(float x,
                         float a,
                         float b,
                         int u,
                         int v)

mapInt

public static int mapInt(float x,
                         float a,
                         float b,
                         int u,
                         int v,
                         android.view.animation.Interpolator interpolator)

clampedMapInt

public static int clampedMapInt(float x,
                                float a,
                                float b,
                                int u,
                                int v)

clampedMap

public static float clampedMap(float x,
                               float a,
                               float b,
                               float u,
                               float v)

clampedMap

public static float clampedMap(float x,
                               float a,
                               float b,
                               float u,
                               float v,
                               android.view.animation.Interpolator interpolator)

map

public static float map(float x,
                        float a,
                        float b,
                        float u,
                        float v,
                        android.view.animation.Interpolator interpolator)

mapLoop

public static float mapLoop(float x,
                            float a,
                            float b,
                            float u,
                            float v,
                            android.view.animation.Interpolator interpolator)

cycle

public static float cycle(long time,
                          float period)

cycle

public static float cycle(long time,
                          float period,
                          float phaseShift)

hang

public static float hang(long time,
                         float period)

cycleBackwards

public static float cycleBackwards(long time,
                                   float period)

oscillate

public static float oscillate(long time,
                              float period)

oscillate

public static float oscillate(long time,
                              float period,
                              float phaseShift)

pulse

public static float pulse(long time,
                          float period,
                          float pulseWidth,
                          float phaseShift)

fractionalPart

public static float fractionalPart(float v)

quadrant

public static int quadrant(long time,
                           float period)

rotate

public static PointD rotate(double x,
                            double y,
                            double angle)

rotate

public static PointD rotate(double x,
                            double y,
                            double angle,
                            PointD point)

phase

public static int phase(long time,
                        float period,
                        int n)