def loop(self):
while self._continue_flag is True:
self.canvas.fill(self.BACKGROUND_COLOR)
for obstacle in self.obstacles:
obstacle.draw(self.ray_canvas)
if not self._drawing_mode_flag:
self.source.draw(self.ray_canvas, self.canvas, self.obstacles,
self.width, self.height, self.minuature_width,
self.minuature_height)
else:
self.source.preview(self.ray_canvas,
Point2D.from_tuple(self.mouse_pos) / 4)
if self._drawing_obstacle_flag:
Obstacle.preview(self.ray_canvas,
self.starting_edge_of_obstacle,
Point2D.from_tuple(self.mouse_pos) / 4)
self.canvas.blit(self.ray_canvas, (0, 0))
self.ray_canvas.fill(self.BACKGROUND_COLOR)
self.handle_events()
self.clock.tick(self.fps)
pygame.display.flip()
