script check_playback.spt

# SHOW ONLY REAR HALF
slab 50
depth 0
slab on

set animationfps 10 # playback speed
animation mode loop

capture "rock-slabbed-back50-y40.gif" # initiates capture of frames for gif file

for (var i=1; i<=20; i++)
{
	rotate y 1
	refresh # obeys animationfps
	#delay 0.2 # no effect on playback speed
}

for (var i=1; i<=40; i++)
{
	rotate y -1
	refresh # obeys animationfps
}

for (var i=1; i<=20; i++)
{
	rotate y 1
	refresh # obeys animationfps
}

capture # closes the gif file

prompt "Rename output file rock-slabbed-back50-y40.gif"