RE: [cinjug-users] tracing a path

[Amol Deshmukh <adeshmukh@xxxxxxxxxxxxxx>]

> > -----Original Message-----
> > From: Jason Kretzer [mailto:jrkretzer@xxxxxxxxx] 
> > Sent: Tuesday, March 15, 2005 9:44 AM
> > To: users@xxxxxxxxxx
> > Subject: Re: [cinjug-users] tracing a path
> > ...
> > the points to stay put?  After I draw a point and
> > call
> > repaint on the JComponent toshow that point, the
> > point
> > that I drew just before that disappears.
> > ...

you may want to consider using 

     repaint(int x,int y,int width,int height)

instead of repaint(). Then redraw the set of points in only
that portion of rectangle. So every time the ball moves,
you only update a small rectanlgular portion of the 
Component instead of redrawing all the points.


More help at :

http://java.sun.com/products/jfc/tsc/articles/painting/index.html


HTH,
~ amol