This flash experiment traces a path which is affected by gravity from planets.
You can move the planets around to make interesting shapes.
You can also add more planets and scale them.
Click and drag to move planets.
Ctrl+click makes new planets.
Shift+drag scales planets.
X+click removes planets.
Space makes the exit angle a little random.
R toggles 'Max radius of influence' (non physical)
+ increases the number of steps by a factor 1.5
- decreases the number of steps by a factor 1.5