lifeup_score()
power_effect()

ball_count()
ball_speed(10)
ball_radius(15)
ball_color(008800)

bar_length(100)
bar_color(00ff00)
bar_overhang(25)

direction_up(0)
direction_down(0)
direction_left(0)
direction_right(0)

clear_rate(90)
front_line()

back_color(003300)
back_image()

item_rate()

item_barlong()
item_barshort()
item_ballbig()
item_ballsmall()
item_speedup()
item_speeddown()
item_lifeup()
item_lifedown()
item_blockincrease()
item_blockdecrease()
item_scoreup()
item_scoredown()
item_blockhide()
item_gothrough()
item_keepin()
item_ballincrease()