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p5.js Constants PI

Last Updated : 16 Aug, 2023

The PI is a mathematical constant with the value 3.14159265358979323846. It is the circumference's ratio of a circle to its diameter. Syntax

PI

Below program illustrates the usage of PI in p5.js: Example:

javascript

function setup() {
  
    //create Canvas of size 880*200  
    createCanvas(880, 300);
}

function draw() {
  
    //Set the background Color
    background(220);
  
    //Set the stroke color
    stroke(255, 204, 0);
  
    //Set the stroke weight
    strokeWeight(4);
  
    //Use of constant PI
    arc(50, 50, 280, 280, 0, PI / 2); 
    noStroke();
    textSize(20);
    text("Value of PI is " + PI, 30, 250);
}