on sprint toggle:
	if {sprint.%player%} is true:
		set {sprint.%player%} to false
		while {sprint.%player%} is false:
			wait 15 ticks
			add 0.5 to the player's food level
			player's food level is 10
			exit
	else:
		set {sprint.%player%} to true
		while {sprint.%player%} is true:
			wait 10 ticks
			add -0.5 to the player's food level