Class MovingStars

class MovingStars

extends Object

This class generates a variable number of stars, puts them at random locations, with random colors, and moves them at random speeds.

color

height

i

length

maxXMove

maxYMove

r

For generating random Numbers.

width

x

xMove

y

yMove

MovingStars(int, int, int, int, int)

Creates All the data to draw MovingStars.

abs(int)

Returns the distance from zero.

genStart()

Generates the stars starting location, everything is random.

paint(Graphics)

Paints the stars.

update()

Updates the stars location.

 private int x[]

 private int y[]

 private int xMove[]

 private int yMove[]

 private Color color[]

 private int height

 private int width

 private int maxXMove

 private int maxYMove

 private int length

 Random r

For generating random Numbers.

 int i

 MovingStars(int width,
             int height,
             int maxX,
             int maxY,
             int count)

Creates All the data to draw MovingStars.

Parameters:

width - The width of the screen.

height - The height of the screen.

maxX - Max speed the stars move in the X direction.

maxY - Max speed the stars move in the Y direction.

count - The number of stars to display.

 public void update()

Updates the stars location. It will also generate a new star should the current one be outside of visual range.

 public void paint(Graphics g)

Paints the stars.

Parameters:

g - Where to draw the stars.

 private void genStart()

Generates the stars starting location, everything is random.

 private int abs(int i)

Returns the distance from zero.

Parameters:

i - The number to check.

Returns:

s an int of the distance from zero.