New Kojo Release — 2.4.04

I’m pleased to announce a new release of Kojo. Highlights include:

    • Support for Esperanto, contributed by Christoph Knabe.
    • A more responsive GUI while making big drawings at full speed.
    • A preview version of a visual challenge framework to get young learners going with explorations of numbers, angles, programming, systematic thinking, etc. You can run this in a couple of ways:
    • A preview version of a new turtle for younger children. Here’s a sample session with the new turtle:
      clr
      val za = nt // create a new turtle called za
      za fd 100 // one command per line
      za rt 90
      za fd 100 rt 90 fd 100 rt 90 // many commands per line
      // only one-arg commands can be used without parens
      za jt (0, 0) lt 90 
      
      // teach za new tricks
      za teach 'sq cmds {
        za fd 100 rt 90 fd 100 rt 90
        za fd 100 rt 90 fd 100 rt 90
      }
      
      za teach 'sqn cmds { n =>
        rpt(4) { za fd n rt 90 }
      }
      
      za teach 'colrsq cmds { (n, c) =>
      za fc c
        rpt(4) { za fd n rt 90 }
      }
      // use the new commands
      za sq () sqn 80 colrsq (70, green)

As always, the new version is available from the Kojo Download Page.

Enjoy!

 

 

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