changed circle to bresenham
bresenham circle unclipped
draw filled circle clip
lose the vectors in unclipped draw circle
fixed forgetting to increment step count (was doing input every step)
Render now takes drawtarget instead of graphics
ball drawable public inherit
player drawable public inherit
alertzone added
rename collidablecircle.h -> physicalcircle.h
alertzone test commit
player colors x2
ball colors x2
Add polyclosed copy construct to tstrip
alertzone priv inherit -> compos
walls added
default walls color
Fixed wall constructor to use extraction
added wall width parameter
Added walls to world