pac-man animation

shortening the triangle would make it less noticeable...

From line 169:

g.fillPoly([x,y,
x+Math.cos(ang-a)*8, 
y+Math.sin(ang-a)*8,
x+Math.cos(ang+a)*8, 
y+Math.sin(ang+a)*8]);

And the pacman trajectory radius could be increased also:
line 162: var r = 109;