Raycasting and 3D Projection Quiz
Authored by Kaleb White
Computers
6th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What is the purpose of a raycaster in coding?
To play music
To calculate distances and make light rays
To draw 2D shapes of banana
To create rays that measure distance
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in firing a simple projectile in raycasting?
Create a new sprite
Delete all blocks
Set rotation style to 'don't rotate'
Switch to the hitbox costume
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to move the projectile by 4 pixels at a time?
To skip over walls without colliding
To make the projectile move slower
To avoid leaving gaps between sensing locations
To embed the projectile deeply in a wall
Answer explanation
If you did not do this, your raycaster would just glitch through the wall!
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using 'run without screen refresh' in the raycasting project?
To animate the flight of the projectile
To reverse the projectile back out of the wall
To draw a line between the player and the collision
To instantly find the wall when the projectile collides
Answer explanation
If you had runned with screen refresh, there would have been an animation that would have been repeatedly playing, FOREVER pausing the game.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the Pen Extension in raycasting?
To erase all blocks
To draw a line between the player and the collision
To create a new sprite
To set the pen size to 4
Answer explanation
If there was no pen extension there would be no walls or anything to measure with
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does FOV stand for in raycasting?
Field Of Vision
Fading Optical Vision
Frequency of Vibration
Focal Overhead View
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the 'distance to - Player' block in 3D projection?
To set the x position for drawing the wall
To calculate the distance a ray has traveled
To calculate the height of the wall
To draw a slice of wall
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