#
#            this code is (C) 2022 tTh
#

BEGIN	{
	count = 0
	bx = by = bz = 0.0
	print "// GENERATED FILE, DON'T TOUCH IT !"
	print "#declare Bloubs = object\n{"
	print "union\t{"
	}

	{
	age = $5
	if (age < 2)		color = "Orange"
	else if (age > 8)	color = "Gray70"
	else			color = "Sienna"
	bx += $1
	by += $2
	bz += $3
	pigment = "pigment { color " color " }"
	printf "\tsphere { <%f, %f, %f>, %f %s }\n",	\
			  $1, $2, $3,  $4, pigment
	count++
	}

END	{
	print "\t}  // end of union\n}\n"
	print "#declare Nb_Bloubs = ", count, ";\n"
	print "#declare Bary_X = ", bx/count, ";";
	print "#declare Bary_Y = ", by/count, ";";
	print "#declare Bary_Z = ", bz/count, ";";
	}