Random number Seed random number generator Reset player Start player Stop player Step player Undo to last checkpoint (?) Arc path Character path Elliptical path List of pairs (x0, y0), (x1, y1), ... Line path Pie path Rectangular path List of pairs (x0, y0), (x1, y1), ... Spline path List of pairs (x0, y0), (x1, y1), ... List of pairs (x0, y0), (x1, y1), ... List of pairs (x0, y0), (x1, y1), ... List of pairs (x0, y0), (x1, y1), ...