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When the Turtle moves, it may or may not leave a visible trace. These functions control such a behavior.
turtle_up()turtle_down()
turtle_down()
The Turtle must be initialized prior to using this function, see turtle_init.
turtle_init
Other TurtleGraphics: TurtleGraphics-package, turtle_do, turtle_getpos, turtle_goto, turtle_init, turtle_move, turtle_param, turtle_reset, turtle_show, turtle_status, turtle_turn
TurtleGraphics-package
turtle_do
turtle_getpos
turtle_goto
turtle_move
turtle_param
turtle_reset
turtle_show
turtle_status
turtle_turn