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By Phil Bagge @ baggiepr code-it.co.uk

Spider Maze (A bumpy programme very easily adapted to any moving, racing type game) You can show the program online here http://scratch.mit.edu/projects/baggiepr/2647059. By Phil Bagge @ baggiepr http://code-it.co.uk. Drawing multiple costumes in Scratch.

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By Phil Bagge @ baggiepr code-it.co.uk

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  1. Spider Maze (A bumpy programme very easily adapted to any moving, racing type game)You can show the program online herehttp://scratch.mit.edu/projects/baggiepr/2647059 By Phil Bagge @baggiepr http://code-it.co.uk

  2. Drawing multiple costumes in Scratch • Delete cat sprite by right clicking and selecting delete • Left click on star icon (Paint new sprite) • Zoom right in (+ on zoom) • Set brush size to second from the smallest • Draw a basic spider body over 4 squares • Add legs and eyes making sure the eyes face right • Click OK to finish • Click on costumes • Rename costume1 to spider 1 • Press copy button • Rename the second spider to spider2 • Edit spider2 • Zoom in (+ on zoom) • Delete the legs using the rubber • Redraw the legs in another position and click ok

  3. Making the sprite look like it is moving forever Everything that goes inside here loops around forever Change one of these to the other costume Two or more of these Two of these

  4. Making the sprite move forward forever Double click on the number to type in a new number

  5. Creating a rightsteering blocks How quickly will your Sprite turn?

  6. Creating a leftsteering blocks How quickly will your Sprite turn?

  7. Drawing a background maze • Click on stage • Select the Backgrounds tab • Rename background1 to maze1 • Click edit • Zoom Out (- on zoom) • Draw a maze in another colour than you used in the spider • The line drawing tool combined with a wide brush size works well • Click ok to save the maze

  8. Electrifying the maze When you click on the coloured squares you can choose a colour by finding it on your game and clicking on it. Maze colour Spider body colour

  9. Positioning objects in scratch • Click on stage • Click on import • Select xy-grid (You won’t lose your maze) • Ask your teacher to go over how Cartesian coordinates work using the grid and xy positions

  10. Resetting the spider start position and start direction Add these positioning and direction blocks into the electrifying maze block so that the spider is returned to a safe starting position and is facing the right way before the end of the game.

  11. Challenge Using the ideas introduced in this game to design and create your own short game. Work in pairs Record your ideas away from the computer What improvements can you add? Get pupils from other classes to play test your game when finished. Make sure you get their opinions and suggested improvements.

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