U3, L15-16 Quiz

Which of the following things do the velocity code blocks simplify in lesson 15?

• Changing a sprite’s animations

• Creating effects when two sprites collide

• Moving a sprite across the screen

• Giving your sprites a name and coordinates

Which of the following codes below means the same as this example: Ladybug.velocityX= 1

• ladybug.y = ladybug + 1

• ladybug.x = ladybug.x + 1

• ladybug.rotation = ladybug.rotation + 1

• ladybug.rotation = ladybug.rotation -1

Look at the code in the example below. Which direction will the sprite move on the screen when this code is run?

• to the left

• to the right

• upwards

• downwards

Which of the following code blocks simplifies the code in this example? Example: Sprite.rotation = sprite.rotation + 2

• sprite.rotationSpeed = -2

• sprite.rotationSpeed = 2

• rotationSpeed = 2

• rotationSpeed = sprite + 2

How is what you learn in lessons 15-16 different from what you learned in previous lessons?

• In lessons 15-16, you learn new code blocks that provide you with new behaviors to experiment with

• In lessons 15-16, you get to introduce sounds into your code for the first time

• In lessons 15-16, you are given the ability to move sprites along both the x and y axis

• In lessons 15-16, you learn code blocks that simplify your code instead of enabling new behaviors.

If I wanted to make my sprite move LEFT on the screen, which of the following code blocks would I use?

• sprite.velocityY = -1

• sprite.velocityX = 1

• sprite.velocityX = -1

• sprite.velocityY = 1

In the Screenshot and example of code below, which of the following code blocks would cause the fish sprite to swim left after it reaches the right edge of the screen?

• fish.velocityY = 1

• fish.velocityY = -1

• fish.velocityX = 1

• fish.velocityX = -1

In the example below, the frog sprite can jump on the screen. However, when the frog jumps he continues to go up until he is off screen. Which of the following code blocks would send the frog back down after he gets high enough?

• frog.velocityX = -2

• frog.velocityY = -2

• frog.velocityY = 2

• frog.velocityX = 2

Which of the following code blocks creates different effects when sprites collide together onscreen?

• velocityX()

• isTouching()

• velocityY()

• rotationSpeed()

Which of the following choices best describes what the sprite.debug code block does?

• Shows the boxes the computer uses to detect collision

• Moves sprites across the screen in a simpler way

• Creates different effects when sprites collide

• Causes the sprites to collide onscreen