L19 Functions Quiz

According to code.org where can you “call a function”?

• Inside the draw loop

• Before your code where you created the function

• Anywhere in you code, except inside the draw loop

• After your code where you created the function

What is a function?

• A code block that creates sprite interactions

• A code that holds a value that can change

• A set of code that is repeated

• A named group of programming instructions

What does “calling” a function mean?

• Naming and creating the function for the first time

• Using your function in your code with it’s name

• Using the same name for all of the function you create

• Using that function inside your draw loop

. According to code.org, where should you NOT create a function?

• before you call the function

• inside of the draw loop

• on top of the draw loop

• after you call the function

What is it called when you “create” a function in your code?

• calling

• bouncing

• defining

• abstraction

According to code.org which of the following is NOT a reason to use a function in your code?

• keeping your code readable

• to create reactions with sprites

• keeping your code organized

• removing repetition

Which of the following code blocks is correctly “defining” a function?

• function.drawRed()

• drawRed()

• function drawRed(){

  fill("red");

  rect(100,100,50,50);

  }

• sprite.drawRed()

Which of the following code blocks is correctly “calling” a function?

• drawGreen()

• function drawGreen(){

  fill("green");

  rect(100,100,50,50);

  }

• function.drawGreen()

• sprite.drawGreen()

In the example below, which function should I call if I want to place the elephant sprite in the

TOP LEFT CORNER of the screen?

• function elephantSprite4() {

  var elephantsprite4 = createSprite(350, 350);

  elephantsprite4.scale = 0.25;

  elephantsprite4.setAnimation("elephant_1");

  }

• function elephantSprite3() {

  var elephantsprite3 = createSprite(48, 350);

  elephantsprite3.scale = 0.25;

  elephantsprite3.setAnimation("elephant_1");

  }

• function elephantSprite2() {

  var elephantsprite2 = createSprite(350, 48);

  elephantsprite2.scale = 0.25;

  elephantsprite2.setAnimation("elephant_1");

  }

• function elephantSprite1() {

  var elephantsprite1 = createSprite(48, 48);

  elephantsprite1.scale = 0.25;

  elephantsprite1.setAnimation("elephant_1");

  }

Which of the following examples of code would repeatedly call the “cat” function, every

time mouse.x < 200?

• function draw(){

  treesBackground();

  if(flyer.x < -50){

  setFlyer();

  }

  drawSprites();

  }

• function draw(){

  treesBackground();

  if(mouse.x < 200){

  cat();

  }

  drawSprites();

  }

• cat()

• function draw(){

  cat()

  }