* Creative Coding Workshop #4 Test - Debugging with ChatGPT

 *

 * Jack B. Du (github@jackbdu.com)

 */

​

let diameter = 100;

​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  circle(100, 100, diameter);

}

​

/*

Prompt: 

here's my p5js code, and it doesn't work, can you spot the problem:

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  circle(100,100);

}

​

ChatGPT:

Yes, I can spot the problem in your p5.js code. The issue is with the circle() function in the draw() function. The circle() function requires at least three arguments: the x-coordinate, the y-coordinate, and the diameter of the circle.

​

Here's the corrected code:

​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  circle(100, 100, 50); // The third argument is the diameter of the circle

}

​

In this corrected code, the circle will be drawn at the position (100, 100) with a diameter of 50 pixels. Feel free to adjust the values as needed to fit your desired shape and position.

*/

​

/*

Prompt:

what about this:

let diameter = 100;

​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  circle(100,100,Diameter);

}

​

ChatGPT:

In the provided code, the variable diameter is defined with a lowercase 'd' in the let statement, but then it is used with an uppercase 'D' when calling the circle() function. JavaScript is case-sensitive, so Diameter and diameter are considered different variables.

​

To fix the code, you should use the correct variable name diameter in the circle() function call:

​

javascript

​

let diameter = 100;

​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  circle(100, 100, diameter); // Use lowercase 'diameter'

}

​

Now the circle should be drawn correctly with a diameter of 100 pixels at the position (100, 100).

*/