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p5.js | hex() function

  • Last Updated : 15 Apr, 2019
Geek Week

The hex() function in p5.js is used to convert a number into its hexadecimal notation.

Syntax:

hex(Number)

Parameters: This function accepts a parameter Number which are to be converted into its hexadecimal form. This parameter might also be an array of numbers.

Return Value: It returns the converted hexadecimal representation.

Below program illustrates the hex() function in p5.js.
Example-1:






function setup() {
  
    // Creating Canvas size
    createCanvas(600, 200);
}
  
function draw() {
  
    // Set the background color 
    background(220);
  
    // Initializing some numbers
    let Number1 = 20;
    let Number2 = 255;
    let Number3 = 0;
    let Number4 = 25;
    let Number5 = 70;
  
    // Calling to hex() function.
    let A = hex(Number1);
    let B = hex(Number2);
    let C = hex(Number3);
    let D = hex(Number4);
    let E = hex(Number5);
  
    // Set the size of text 
    textSize(16);
  
    // Set the text color 
    fill(color('red'));
  
    // Getting hexadecimal notation
    text("Hexadecimal representation of 20 is: " + A, 50, 30);
    text("Hexadecimal representation of 255 is: " + B, 50, 60);
    text("Hexadecimal representation of 0 is: " + C, 50, 90);
    text("Hexadecimal representation of 25 is: " + D, 50, 110);
    text("Hexadecimal representation of 70 is: " + E, 50, 140);
}

Output:

Example-2:




function setup() {
  
    // Creating Canvas size
    createCanvas(650, 100);
}
  
function draw() {
  
    // Set the background color 
    background(220);
  
    // Initializing some numbers
    let Number1 = [20, 255, 30];
    let Number2 = [255, 7, 9];
  
    // Calling to hex() function.
    let A = hex(Number1);
    let B = hex(Number2);
  
    // Set the size of text 
    textSize(16);
  
    // Set the text color 
    fill(color('red'));
  
    // Getting hexadecimal notation
    text("Hexadecimal representation of [20, 255, 30] is: "
     + A, 50, 30);
    text("Hexadecimal representation of [255, 7, 9] is: " 
     + B, 50, 60);
}

Output:

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

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