4-4 Challenges Day 4

Students collect treasure. Students will use a variable to set and increment the score as each object is collected.

OBJECTIVES:

Day 3 of a 3-4 day project. Students add villain to their maze and use time to complete game within a certain time constraint.

OBJECTIVES: By the end of this lesson, students will:

- add thrill, by creating an villain who patrols the maze.
- add urgency, by adding a time requirement.
- recognize that thrill and urgency are game play tactics.
- practice using variables, when creating the maze timer.

Demo

TEACHER RESOURCES:

STUDENT PAGE

Wrap Around Slides

Mini Lesson Slides

RUBRIC

Standards

- 2-AP-11: Create clearly named variables that represent different data types and perform operations on their values.
- 2-AP-17: Systematically test and refine programs using a range of test cases.

CSTA

DO NOW:

1. Watch "Job Shadowing a video game Designer" (2:58)
2. Discuss:

1. - Besides coding, what does Kari say is a key part of creating video games?
  - What do they say about communication as part of the design process?
  - Reina asks what she should do to get into an environment like the one Kari works in. What does Kari say?

Teacher Guidance

Meeting people and teams and collaborating. , Collaborating, testing it out with a target group to get their feedback.
Communication is an essential part of the design process, you need to get feedback and talk to your target group to find out what your audience want.
Have a Passion for games. Start somewhere. Find a mentor in the Industry.

Mini-Lesson

See lesson slides

Project (20-30 minutes)

Part 1: Add Villain to Stage. Student handout

Students add a villain sprite to their stage. (To keep it simple, the villain can walk through walls.) Students decide what happens when the villain gets to the edge of screen.

A rotation style of left-right sprite will allow the sprite turns back across the stage.
If students want sprite to respawn at the other edge of the screen, remind them of the the (X, Y) dimensions of the stage, X: (-240 -240). Y : (-180 -180).

Part 2: Make a Timer:

Students make their own timer using a variable and a wait command.

Built in Timer:

Scratch has a built in timer that keeps track of time in seconds. It is more accurate.
However you can not use it as a countdown. Students should make their own timer and not use this method.

The built in timer works in the following ways:

Continuously counts upwards by one-thousandth of a second
Cannot be paused or stopped
Resets only when a project is opened inside Scratch or by execution of the Reset Timer block
Continues even when its project stops running

Close-Out (5 minutes)

Discuss the following questions:

What does increment mean?
What does decrement mean?
Where are do the add, substract, equal commands reside?

Potential Responses

Increment is to add one to a variable.
Decrement decreases one from a variable.
These commands reside under the green operator commands.

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