The width variable in p5.js is a system variable that stores the width of the drawing canvas. This value is automatically initialised by the first parameter of the createCanvas() function as soon as the code is executed.
Syntax:
width
Parameters: This function does not accept any parameter.
Below program illustrates the width variable in p5.js:
Example-1:
function setup() {         //create Canvas of size 380*80      createCanvas(380, 80); }   function draw() {         // set background color     background(220);         // set text size     textSize(16);         // set the text alignment     textAlign(CENTER);         //set the fill color     fill(color('Green'));         //use of width variable     text("Width of Canvas is : "         + width, 180, 50); } |
Output:
Example-2:
function setup() {         //create Canvas of size 380*80     width = windowWidth;     createCanvas(width, 80); }   function draw() {     // set background color     background(220);         // set text size     textSize(16);         // set the text alignment     textAlign(CENTER);         //set the fill color     fill(color('Green'));         //use of width variable     text("Width of Canvas is equal to windowWidth i.e. : "         + width, 180, 50); } |
Output:
Reference: https://p5js.org/reference/#/p5/width
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