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Catch Scratch!

Catch Scratch!. Programming from Scratch. Remember Scratch?. Learning Cycle Outcome & Objective. Outcome. Objective. Know the basics of the following computer programming concepts: Loops (iteration) Selection Variables. Create a simple game called “ Catch Scratch! ”.

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Catch Scratch!

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  1. Catch Scratch! Programming from Scratch

  2. Remember Scratch?

  3. Learning Cycle Outcome & Objective Outcome Objective Know the basics of the following computer programming concepts: Loops (iteration) Selection Variables • Create a simple game called “Catch Scratch!”

  4. Step 1: Moving a sprite • Add this code block to your cat sprite. What do you think will happen?

  5. Step 2: Moving Forever • Use the forever block to create a loop What is different now? This forever block creates a loop (it happens lots of times)

  6. Step 3: Bounce! • You can bounceoff the edges… Why do I go upside-down?

  7. Step 4: Click to catch… • Add an IF block… What should I say when I get caught? This if block is called a selection (it only happens IF it is true)

  8. Step 5: Count the catches How many times can you catch me? “catches” is a variable (a number that can vary)

  9. Advanced Challenges • Can you make Scratch face in a random direction before moving? • Can you make Scratch jump to another place on the screen after being caught? • Can you make Scratch speed up after being caught? (Tip: try use another variable called speed)

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