The windowWidth variable in p5.js is a system variable that is used to store the width of the inner window and it maps to window.innerWidth.
Syntax:
windowWidth
Parameters: This function does not accept any parameter.
Below program illustrates the windowWidth variable in p5.js:
Example-1:
function setup() {
createCanvas(1000, 400);
// Set text size to 40px
textSize(20);
} function draw() {
background(200);
rect(mouseX, mouseY, 30, 30);
//Use of windowWidth Variable
text( "Window Width is " + windowWidth, 30, 40);
} |
Output:
Example-2:
function setup() {
// set height to window width
width = windowWidth;
//create Canvas of size 380*80
createCanvas(width, 100);
} function draw() {
background(220);
textSize(16);
textAlign(CENTER);
fill(color( 'Green' ));
//use of windowWidth variable
text( "windowWidth of Canvas is : "
+ width, width / 2, height / 2);
} |
Output:
Reference: https://p5js.org/reference/#/p5/windowWidth