to spiral : size if : size -RRB- 30 -LRB- stop -RRB- ; an exit condition fd : size rt 15 ; many lines of action spiral : size \ * 1.02 ; the tailend recursive call end
to spiral : size if : size -RRB- 30 -LRB- stop -RRB- ; a condition stop fd : size rt 15 ; many lines of action spiral : size \ * 1.02 ; the tailend recursive call end Type this in the command box.