Cat flash effect
Make sure to save this algorithm!
Blocks
Create 2 sprites:

Sprite 1: a regular walking cat

Sprite 2: a cat with a flash (shadow) effect

Sprite with the regular cat costume:
Second sprite with the flash effect
Link to the project with costumes:

👉 https://scratch.mit.edu/projects/1227948495/editor/
When creating a pink block - OmegaScript:

Check the box “Run without screen refresh”
When creating a pink block - Ghost:

Check the box “Run without screen refresh”
Background blocks

Create blocks that allow switching the backdrop using the space key
Made on
Tilda