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ghost effect to 100, and the Ground costume and backdrop will
line up. the backdrop shows what the level looks like, while
the Ground sprite acts as its hitbox.
Save Point
Click the green flag to test the code so far. Make sure you can
move the cat all around the Stage. then click the red stop sign
and save your program.
16. Add More Wrap-Around Code to the Cat Sprite
Notice that the level has a couple floating platforms and a
hill with a pit in the middle. When the cat falls down the pit,
it wraps around the Stage and reappears at the top. Let’s add
wrap-around code for the left and right edges of the Stage as
well. add the following script to the Cat sprite.
When the cat walks to the left edge of the Stage, its x
position will be less than -230. In that case, we make it wrap
around to the right edge by setting the x position to 230.
242 Chapter 9
