Block-based Programming Quiz

What does the function fill(color) do in block-based programming?

• Draws a rectangle on the display

• Sets the color used to fill shapes

• Returns a random number

• Checks if the mouse button is pressed

What is the purpose of the ellipse(x,y,w,h) function?

• Sets the background color of the game

• Draws a rectangle onto the display

• Draws an ellipse onto the display centered at x and y

• Displays a group of sprites

What does the rect(x,y,w,h) function do?

• Draws an ellipse onto the display

• Sets the color used for the background of your game

• Draws a rectangle onto the display positioned at x and y

• Shrinks or grows a sprite

What is the result of calling the function randomNumber()?

• It creates a new sprite

• It draws all sprites in the sketch

• It sets the color used to fill shapes

• It returns a random number in the closed range from min to max

What does sprite.rotation do?

• Changes the visibility of the sprite

• Sets the background color of the game

• Returns a random number

• Applies a clockwise rotation in degrees to the sprite

What is the effect of changing sprite.scale?

• It rotates the sprite clockwise

• It shrinks or grows a sprite while keeping the height to width ratio the same

• It changes the x position of the center of the sprite

• It checks if the mouse moved

What information does sprite.x provide?

• The y position of the center of the sprite

• The visibility of the sprite

• The x position of the center of the sprite

• The number of times per second the screen is refreshed

What does the function drawSprites(group) do?

• Sets the color used to fill shapes

• Shrinks or grows a sprite

• Draws a rectangle onto the display

• Displays a group of sprites; if no parameter is specified, draws all sprites in the sketch

What does the function mouseDidMove() check?

• If the mouse button specified is pressed

• If the key specified is pressed

• If the mouse moved

• The visibility of the sprite

What does the function mouseDown(button) check?

• If the mouse button specified is pressed

• If the mouse moved

• The visibility of the sprite

• The number of times per second the screen is refreshed