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CSD1130 Game Implementation Techniques Lecture 1: Ball Movement Example

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CSD1130 Game Implementation Techniques Lecture 1: Ball Movement Example

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Questions and Answers

What does it mean to render objects as many times a second as the game speed?

Objects are rendered every other second to create a cinematic effect.

Objects remain completely static throughout the game loop.

Objects are only updated once per second to conserve computational resources.

Objects are updated multiple times per second to reflect their dynamic behavior. (correct)

How does the game loop handle the rendering of objects?

Objects are rendered with a delay to create a slow-motion effect.

Rendering happens outside the game loop to prevent performance issues.

A blank frame is prepared at the beginning, followed by rendering each object sequentially. (correct)

Objects are rendered simultaneously in random order.

Why does an object's position at game loop n+1 differ from its position at game loop n?

As a result of continuous movement causing position changes between loops. (correct)

Because the object is rendered only once in every two game loops.

Due to the object being temporarily removed from the game loop.

To create a glitch effect for visual appeal.

What is the purpose of repeating the game loop 60 times per second?

To make the ball's position change slightly from frame to frame, creating an illusion of movement (A) Signup and view all the answers

How is the new position of the ball calculated in the game loop?

Based on a vector that specifies how the position changes along each axis (B) Signup and view all the answers

What happens at the beginning of each game loop?

The display screen is deleted, then the background is displayed, and finally the ball is displayed at its new position (C) Signup and view all the answers

Why is it important for a game to be real-time?

To give the illusion of concurrent events happening at the same time (A) Signup and view all the answers

How does a game achieve the illusion of concurrent events?

By dividing the game loop into 60 pieces per second (D) Signup and view all the answers

What is the role of the game loop in executing concurrent events?

To control concurrent events by repeating iterations every 16.66 milliseconds (A) Signup and view all the answers

Why are game events considered pseudo-parallel?

Because each event happens at a fixed interval of 60 times a second (C) Signup and view all the answers