Then, in the same window type crt and a number to create that number of turtles. Well, they're actually stacked up on top of each other. If you want to see them all, switch to the Turtles Command Center and type fd 30 . Making a Procedure A procedure is a collection of commands, like the ones you have typed in the Observer Command Center or the Turtle Command Center, that get used together. All you have to do is type the name of the procedure to make all the commands in that procedure run.
All procedures go in one of the Procedures windows.
First, let's put these first few commands into a setup procedure in the Observer Procedure window. We need to use the special command ask-turtles when we are in the Observer window and would like to ask the turtles to do something. The word 'end' must also close every procedure so that the program knows when your commands are finished. Try running your first procedure. First type ct in the Observer Command Center to clear the turtles.