Mar 202019

CT principles poster

LF1 Logging on!

LF2 Movement controls

  1. Go to “My stuff” and click on your maze project
  2. (Original project = _
  3. See inside
  4. Scratch cat code
    1. Make Scratch move up, down, left, right when you press the arrow keys:
      1. Events – when up arrow pressed…ScreenHunter_155 Feb. 22 08.16
      2. Up = change y by  5 ; Down = change y by -5ScreenHunter_157 Feb. 22 08.17
    2. Test it out by trying to get past the Egyptian god!

LF3 Choosing coordinates

  1. Look at the Egyptian God script – can you work out how it works?
  2. RH-click on the Egyptian god and duplicate to get two more – one for each level
  3. Change the x y numbers so they patrol left and right
  4. Test the game – make sure it is just possible to get past by going into the tunnels

LF 4 Use drawing tools

  1. Stage – Backdrops
  2. RH click to duplicate
  3. Edit the second backdrop to make a new level

LF5 Make sprites interact

  1. Scratch script
    1. Add blocks so that, when Scratch touches the door, the background changes
    2. Make a new set of blocks so that, when Scratch touches a baddie, it returns (go to…) to the start position
    3. How can we make Scratch only move when it is not touching the walls?

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