The draw() function is called after setup() function. The draw() function is used to executes the code inside the block until the program is stopped or noLoop() is called. If the program does not contain noLoop() function within setup() function then draw() function will still be executed once before stopping it. It should always be controlled with noLoop(), redraw() and loop() functions.
Syntax:
draw()
Below examples illustrate the draw() function in p5.js:
Example 1:
function setup() { // Create Canvas of given size createCanvas(400, 300); } function draw() { background(220); // Use color() function let c = color('green'); // Use fill() function to fill color fill(c); // Draw a rectangle rect(50, 50, 300, 200); } |
Output:
Example 2:
function setup() { // Create Canvas of given size var cvs = createCanvas(600, 250); } function draw() { // Set the background color background('green'); // Use createDiv() function to // create a div element var myDiv = createDiv('neveropen'); var myDiv1 = createDiv('A computer science portal for neveropen'); // Use child() function myDiv.child(myDiv1); // Set the position of div element myDiv.position(150, 100); myDiv.style('text-align', 'center'); // Set the font-size of text myDiv.style('font-size', '24px'); // Set the font color myDiv.style('color', 'white'); } |
Output:
Whether you’re preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape, neveropen Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we’ve already empowered, and we’re here to do the same for you. Don’t miss out – check it out now!
