Package algs61

Class Particle

java.lang.Object

algs61.Particle

public class Particle
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private final Color	color
private int	count
private static final double	INFINITY
private final double	mass
private final double	radius
private double	rx
private double	ry
private double	vx
private double	vy

Constructor Summary

Constructors

Constructor	Description
Particle()
Particle(double rx, double ry, double vx, double vy, double radius, double mass, Color color)

Method Summary

Modifier and Type	Method	Description
void	bounceOff(Particle that)
void	bounceOffHorizontalWall()
void	bounceOffVerticalWall()
int	count()
void	draw()
double	kineticEnergy()
void	move(double dt)
double	timeToHit(Particle b)
double	timeToHitHorizontalWall()
double	timeToHitVerticalWall()

Methods inherited from class java.lang.Object

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

Field Details

INFINITY

private static final double INFINITY

See Also:

• Constant Field Values

rx

private double rx

ry

private double ry

vx

private double vx

vy

private double vy

radius

private final double radius

mass

private final double mass

color

private final Color color

count

private int count

Constructor Details

Particle

public Particle(double rx,
 double ry,
 double vx,
 double vy,
 double radius,
 double mass,
 Color color)

Particle

public Particle()

Method Details

move

public void move(double dt)

draw

public void draw()

count

public int count()

timeToHit

public double timeToHit(Particle b)

timeToHitVerticalWall

public double timeToHitVerticalWall()

timeToHitHorizontalWall

public double timeToHitHorizontalWall()

bounceOff

public void bounceOff(Particle that)

bounceOffVerticalWall

public void bounceOffVerticalWall()

bounceOffHorizontalWall

public void bounceOffHorizontalWall()

kineticEnergy

public double kineticEnergy()