Given the following code, which letter should be pressed to move the circle to the left, and how many times should it be pressed to place the circle at the centre of the canvas?
let x = 400;
function setup() {
createCanvas(400, 400);
}
function draw() {
background(0, 255, 255);
fill(255, 0, 0);
ellipse(x, 200, 50, 50);
}
function keyPressed() {
if (key == "l") {
x = x + 20;
} else if (key == "j") {
x = x - 20;
}
}

Question

Given the following code, which letter should be pressed to move the circle to the left, and how many times should it be pressed to place the circle at the centre of the canvas? 
 let x = 400; 
 function setup() { 
   createCanvas(400, 400); 
 } 
 function draw() { 
   background(0, 255, 255); 
   fill(255, 0, 0); 
   ellipse(x, 200, 50, 50); 
 } 
 function keyPressed() { 
   if (key == "l") { 
     x = x + 20; 
   } else if (key == "j") { 
     x = x - 20; 
   } 
 }

Answer

Press "l" 10 times to move the circle to the centre.

Answer

Hold "j" down for 2 seconds to move the circle to the centre.

Answer

Press "j" 20 times to move the circle to the centre.

Answer

Press "j" 10 times to move the circle to the centre.

Crowdly

Given the following code, which letter should be pressed to move the circle to t...

Want instant access to all verified answers on elearning.aua.am?