Game Development Concepts and Mechanics

This video is the second part of a tutorial on creating the Tappy Tap app using Code.org's App Lab. It covers setting up the start, game, and score screens, implementing a timer to transition between screens, designing game elements like blue and red dots, and coding to randomize their positions. The tutorial also includes making the dots move to random positions when clicked, enhancing interactivity. The video concludes with a preview of the next part, which will focus on scoring.

What is the purpose of the start button on the home screen?

• To exit the app

• To start the game and move to the game screen

• To display the score screen

• To reset the app

What happens when the timer expires on the game screen?

• The game restarts

• The app closes

• The user is taken to the score screen

• The dots change color

Which block is used to set a timer in App Lab?

• startTimer

• setInterval

• setTimeout

• setTimer

What is the purpose of giving a sensible ID to the dot images?

• To change their color

• To access them easily within the code

• To make them look better

• To resize them

What coordinates system does App Lab use for positioning elements?

• Cartesian coordinates starting at (0,0) in the top-left corner

• Polar coordinates

• 3D coordinates

• Cartesian coordinates starting at (0,0) in the bottom-right corner

How do you ensure the dots appear in random positions on the screen?

• By changing their color

• By manually placing them each time

• By using the setPosition block with random number generation

• By using a fixed set of coordinates

What is the range of X coordinates for placing the dots randomly?

• 0 to 100

• 0 to 220

• 0 to 320

• 0 to 450

What event is used to detect a click on the blue dot?

• onPress

• onClick

• onHover

• onTouch

What happens when the blue dot is clicked?

• The score is displayed

• The blue and red dots move to new random positions

• The blue dot changes color

• The app closes

What is the next step after handling the dot click events?

• Adding more dots

• Implementing the scoring system

• Changing the background color

• Adding sound effects