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StarLogoTNG Treasure Hunt Game Unit Lesson 1: Basic Movement

Learn the basics of StarLogoTNG programming through a treasure hunt game. Explore movement commands and programming challenges.

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StarLogoTNG Treasure Hunt Game Unit Lesson 1: Basic Movement

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  1. StarLogoTNG Treasure Hunt Game Unit Lesson 1: Basic Movement

  2. Today’s Agenda • Starlogo TNG basics • Mini-lesson on programming movement • First programming challenge • Wrap-up

  3. What’s What in SLTNG • Programming Window • Palette of “blocks” • Canvas • Spaceland • Runtime Window

  4. Definition of “Agent” • Like a character or object in a game • Can be programmed to have behaviors • Can have more than 1

  5. First Programming “Blocks” • Give an agent behavior instructions by dragging blocks from the palette onto the canvas • Many blocks take arguments • An agents “executes” an instruction when the agent does what the instruction says Arguments

  6. Your First Program • File menu > Open project “first program.sltng” • File menu > Save next version • In runtime window, click once on “set up” and then “run” to start the program. The program will end after 60 seconds. Repeat to run the program again. • Practice: run the game a few times, move around in spaceland and try different camera angles using the Guide to Spaceland activity sheets.

  7. About First Program • What did you notice about how first program works? • How did the score change? What do you think the score is based on? • How did the turtle agents behave? What happened when they reached the edge of Spaceland?

  8. How Score is Calculated • The score is the running added total of the height of each patch that a turtle is standing on. • Green patches = 0 (no effect on score) • Blue patches = negative (varies) • Red patches = positive (fixed) • Yellow patches = positive (varies)

  9. Programming Activity • Get the highest score possible by programming additional movement instructions when the turtles detect that they’re on a particular color patch

  10. Movement Blocks Found in Movement drawer: • Forward steps • Back steps • Left degrees • Right degrees Dragged onto canvas

  11. 0 degrees 45 degrees 270 degrees 90 degrees 180 degrees Quick geometry review! • How many degrees are there in a circle? • Degrees for turning left or right are relative to the direction the turtle is currently facing – for example, the labels in the diagram on the right shows the degrees for turning right. • What should be the degree labels if we’re turning left?

  12. About First Program Setup: Create and scatter 20 turtles Time=60 sec? Yes End No Run: All turtles move 1 step forward Run: Your instructions Run: Calculate score

  13. Programming Activity 1 • Get the highest score possible by programming additional movement instructions when the turtles detect that they’re on a particular color patch • For example, how should the turtle behave if it detects that it’s standing on a blue patch?

  14. Programming Activity • Try out different commands and sequences; see what happens to the score each time. There are many ways to achieve a high score. Try to use as few blocks as possible.

  15. One more thing… • Every time you want to test out your program, click setuponce (turtles created and scattered) and then runonce (wait for green highlight around the run block). • Use the blue slider bar to speed up or slow down the program.

  16. Programming Tip To delete a block, drag it to the trash can in the corner of the canvas

  17. Programming Tip Save often. Save now.

  18. Wrap Up • What strategies did you try? • What worked? What didn’t work? • What challenges did you have? • What was fun? • What questions do you have?

  19. To get StarLogo TNG for your home computer Website: http://education.mit.edu/starlogo-tng/download Register, download, install

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