p5.js height variable

The height variable in p5.js is a system variable which stores the height of the drawing canvas. It sets the second parameter of createCanvas() function.

Syntax:

height

Below programs illustrate the height variable in p5.js:

Example 1: This example uses height variable to display the height of canvas.

function setup() {

    // Create Canvas of size 380*80
    createCanvas(380, 80);
}

function draw() {

    // Set the background color
    background(220);

    // Set the text size
    textSize(16);

    // Set the text alignment
    textAlign(CENTER);

    // Set the text color
    fill(color('Green'));

    // Display result
    text("Height of Canvas is : "
        + height, 180, 50);
}

Output:

Example 2: This example uses height variable to display the height of window.

function setup() {
  // set height to window height
height = windowHeight;
  //create Canvas of size 380*80
  createCanvas(380, height);
}

function draw() {
  background(220);
  textSize(16);
  textAlign(CENTER);
  fill(color('Green'));
  text("Height of Canvas is : "+height, 180, height/2); //use of height variable
}

Output:

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