wrapping
Different offscreen replacement behaviors
more accurate math

Uses the true direction of the vector instead of the 8 cardinal directions
Adding different strategies
+head info
Scoping variables
Style clean-up, new recolor strat
sparkles
reset star's position after one oscillation
refactoring, readded original move strat
offscreen fades in
+gear icon
Only captures left-clicks
Adds options window
styling tweaks to dialog
+strength option
draws forces with affected radius
Adds key events
Allows url sharing
Allows url sharing