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 Your First program: Hello World

Your First program: Hello World

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Module 02: Your First program: Hello World

In this module, you will create a program with a 3D character who says "Hello World."

Goals:

• Write your first program in Alice3
• Be able to create a scene by selecting a template
• Add a character and other objects to the scene
• Create and edit code
• Understand how to add comments and why they are important.
• Be able to debug simple errors.

Objectives:

• Write your first Alice program.
• You will learn to add code.
• Create and modify a scene in the design view.
• Select and add 3D characters to the scene.
• Select, add and modify people.
• Use the arrows to move, rotate, and resize the characters and other objects.
• Move the camera and change the angle.
• Add comments with your name and description of the program.
• Create code to have the character say "Hello World"
• Run the program, test, debug, and save it.

Print the lesson

Please study the material at each of the links below.

1. Select a starting template: There are many templates: grass, sea floor, snow, room, mars, and more.
2. Code Editor vs. Scene Editor: Add 3D models in setup scene, add code in code view.
3. Naming conventions: Follow these conventions for the names you give objects, variables and methods.
4. Change the code preference to Java: Show your code in the same mode as the videos.
5. About the first program: Important things to remember when you create the first program
6. The first program: Hello World: This video demonstrates how to create your first program.
7. Editing the say command: This video demonstrates how to create your first program.
8. Adding comments: This video demonstrates how to add comments.
9. Why Hello World?: Why you should write the Hello World program
10. Sim People: Sim people let you customize the appearance of a person.
11. Using doTogether: Animals all say hello at the same time.
12. Complete Step 1: Proposal of the final project.
13. Self Study Questions: What have you learned?
14. Active Learning: Hello World: Show what have you learned
15. Discussion questions on your first program: What do you think?

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