//	PX PY PZ - current point to modify
//	MX MY    - modifier position
//	MH MR    - modifier height and radius
//	MINZ     - min z value of the grid
//	MAXZ     - max z value of the grid
//	PI       - pigreco 3.14 etc etc
//
//	NEWZ     - when you want, load here the new value for Z


beginSETUP
// MODE 'Add' can be applied
fl_modeAdd	= 1

// MODE 'Compare' can be applied
fl_modeCompare	= 1

// MODE 'Force' can be applied
fl_modeForce	= 1

// Computes points only within modifier square radius
fl_squareRadius	= 0

// Computes points only within modifier radius
fl_Radius	= 0

// Height can't never be negative
fl_positiveHeight	= 0
endSETUP



beginCODE

	mov dx,PX
	sub dx,MX
	abs dx
	mov dy,PY
	sub dy,MY
	abs dy
	mov d,dx
	add d,dy

	cmp d,MR
	jle  ok
	abort
	ok:

	mov NEWZ,MH

endCODE