global	MWHICHSIDE
	global	MWITHINPOLY
	global	MROTATEPOINT
	global	MSCALEXZ_A
	global	MCLOSESTLINE
	global	MSCALEXZ_S
	global	MREVEC
	global	MDIVIDEVECS
	global	MSLOPEHEIGHT
	global	MSLOPEBOUNCE
	global	MVECLEN