1. Scratch： Animation and game programming
Task 1: A walking cat

2. Observation and discussion
What can we observe from the demo?
How to make it?

3. 1. Basic setting How many sprite do we need?
Give it/them name(s) and set rotation.

4. 2. Let the Cat walk around.
Which block can we use?

5. 3. Let the Cat walk around continuously by itself?
Which block can we use?

6. 4. Add a random factor.
We can use

7. 5. Change costume.
Which block can we use?

8. 6. Let the Cat walk slowly.
We can use

9. Scripts

10. Conclusion: What do we learn?
1. Basic setting
How to set sprite name and rotation.
2. Let the Cat walk around.
Movement
Rotation
Bouncing.

11. Conclusion: What do we learn?
3. Let the Cat walk around continuously by itself?
How to repeat commands.
4. Add a random factor.
Pick random

12. Conclusion: What do we learn?
5. Change costume.
Costume changing command
6. Let the Cat walk slowly.
Wait command

13. P.S.1：Scratch is developed by the Lifelong Kindergarten Group at the MIT Media Lab. See
P.S.2：Materials are provided by Mr. CHENG Che Hung of NLSI Lui Kwok Pat Fong College.