Physics simulation/playground made in Java
select (+) and drag on canvas to add new ball
select (x) and click on balls to delete them
select (hand) to drag balls around
for new balls:
choose color with (color circles)
click (lock) icon to determine if it can move
move (E) slider to determine its electric charge
(G) slider adds gravity to canvas
(D) slider adds dragforce to canvas
(play toggle) pauses/unpauses simulation
(trash can) deletes all balls on canvas
canvas can be resized with window