Unit 2 Web Development Exam

In this line of code, what will the random number do?

var orangeFish = createSprite(400, randomNumber(0, 100));

• Create a random fish

• Choose a random color

• Add the fish costume

• Place the sprite on a random location on the Y axis

How can we correct the code above? We are getting the error message (dessert is defined, but it is not called in your program)

• Change drink to dessert in the 6th line of code

• Change drink to ice cream in the 6th line of code

• Change drink to sprite in the 6th in of code

• Go to Peaceful Meadows and order a coffee frappe

If you wanted to make a sprite twice as big as it currently looks which code would you use?

• sprite.y

• sprite.scale

• sprite.rotation

• sprite.setAnimattion

This plane looks like someone is smearing a stamp across a paper.

How would you fix this code so that it looks likes the plane is smoothly moving across the scene? (Click on image to enlarge.)

• (line 8) increase the speed of the plane in the draw loop.

• (line 7) add plane.rotation into the draw loop

• (line 4) add a drawSprites

• (line 3) move the background code into the draw loop so that it makes a new background each loop

The code in the image is an example of

• an IF Statement

• a DrawLoop

• the counter pattern

• reducing the size of a sprite

The block of code in this image

• Creates a sprite

• transforms a sprite from a gray square into a picture of a mouse

• changes the size of a sprite

• changes the x position of a sprite

Where will Franklyn appear? (All options have Franklyn represented as a square.)

• 
• 
• 
• 

Why is the order of the code important?

• It is important because it goes from top to bottom.

• It is important because if you don't pay close attention to where you put things, you might not see all your shapes or sprites.

• It is not important.

• It is important because following the same order every time prevents you from making mistakes.

Will this code work? Why or why not?

• Yes, it will work and make a circle on the center of your screen.

• Yes it will work. It has camelCase.

• No, it will not work. It has a number to start a name and spaces. It also is not case sensitive.

• No, it will not work. The variables called are not the same as the variables listed by ellipse, and the rules of naming variables were not followed.

What are the rules you need to follow when naming variables?

• Labels cannot include spaces. Labels cannot begin with a number.

• Labels cannot include spaces. Labels cannot begin with a number. Be very careful with spelling. Labels are case sensitive.

• Labels are case-sensitive. Labels need to be spelled correctly.

• Labels should be in camel case. Labels should be spelled correctly. Labels cannot begin with a number.