Accept command-line arguments for starting-view, rotation axis, fixed point. All have defaults.

scripts/mkcirclepath

@@ -8,9 +8,9 @@ require 'tfm.pl';
 
 $fovy  = 71;					# Y-axis field of view (included in .wf file)
 
-$start = "0 0 0   0.703464 -90.24 -29.3133";	# starting "jump" view
-$axis  = "0 0 1";				# rotation axis
-$center = "0 0 0";				# fixed point of rotation
+$start = $ARGV[0] || "0 0 0   0.703464 -90.24 -29.3133";	# starting "jump" view
+$axis  = $ARGV[1] || "0 0 1";				# rotation axis
+$center = $ARGV[2] || "0 0 0";				# fixed point of rotation
 $angle = 360;					# rotate through this total angle
 $time  = 25;					# seconds duration