Alice Programming
Learn Alice in FREE step-by-step lessons.
Quiz on Understanding the Alice Virtual World
After watching the videos in the section, you should understand how Alice objects see their virtual world.
Did you create a dancing animal? It is important to always practice what you see in the videos.
At the start of each question the penguin is standing facing the camera. Where will he be facing after each of these commands?
Write down the answers first. Click the to check your answer.
penguin.turn.left(0.25)
He will be facing the right side of the stage.
penguin.turn.left(0.5)
He will have his back to the camera.
What command will place him face down in the snow?
Turn forward .25
What command will make him lie down on his back?
Turn backward .25
Objects move, turn and roll based on their ____ point.
pivot
The direction an objects is facing is called the ____.
orientation
True or False: Moving an object forward moves it toward the camera.
False: it moves the object in the direction it is facing.
True or False: The move command always changes the objects position.
True: unless the amount is 0, move always changes the position
True or False: The roll command always changes the objects position.
False: roll changes the orientation, but not the position
Please review the material for any questions you miss.