/files/zh-cn/games/tutorials/2d_breakout_game_pure_javascript/

• ../
• bounce_off_the_walls
• build_the_brick_field
• collision_detection
• create_the_canvas_and_draw_on_it
• finishing_up
• game_over
• index.html
• mouse_controls
• move_the_ball
• paddle_and_keyboard_controls
• track_the_score_and_win