p5.js displayDensity() Function

The displayDensity() function in p5.js is used to return the pixel density of the current display the sketch.

Syntax:

pixelDensity(density)

Parameters: This function accepts single parameter density which stores the display density.

Below program illustrates the displayDensity() function in p5.js:

Example:

function setup() {

    // Create canvas of given size
    createCanvas(windowWidth, windowHeight);

    // Call the displayDensity function
    let density = displayDensity();
    pixelDensity(density);
}

function draw() {

    // Set the background color
    background(0, 200, 0);

    // Set text color
    color("green");

    // Set font size
    textSize(30);

    // Set text alignment
    textAlign(CENTER);

    // Set text to be add
    text("GeeksForGeeks!", windowWidth/2, windowHeight/2);

    // Display pixelDensity on the screen
    text("PixelDensity is " + pixelDensity(),
            windowWidth/2, windowHeight/2+40);
}

Output:

Reference: https://p5js.org/reference/#/p5/displayDensity