'Draw a wireframe polygon given the screen vertices with the specified
color.'

def DrawPolygon(self, vertices, color):

    if (not vertices):
        return
    if (len(vertices) == 2):
        pygame.draw.aaline(self.surface, color.bytes, vertices[0], vertices)
    else:
        pygame.draw.polygon(self.surface, color.bytes, vertices, 1)
