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p5.js | float() function

  • Last Updated : 12 Apr, 2019

The float() function in p5.js is used to get the floating point representation of the given string as a parameter.

Syntax:

float(String)

Parameters: This function accepts a single parameter String which is used to be converted into its floating point representation.

Return Value: It returns the converted floating point representation.

Below programs illustrate the float() function in p5.js:



Example 1: This example uses float() function to get the floating point representation of the given string as a parameter.




function setup() { 
   
    // Creating Canvas size
    createCanvas(600, 150); 
   
function draw() { 
       
    // Set the background color 
    background(220); 
     
    // Initializing some strings
    let String1 = "12";
    let String2 = "12.5";
    let String3 = "0.9";
    let String4 = "0";
     
    // Calling to float() function.
    let A = float(String1);
    let B = float(String2);
    let C = float(String3);
    let D = float(String4);
       
    // Set the size of text 
    textSize(16); 
       
    // Set the text color 
    fill(color('red')); 
     
    // Getting floating point representation
    text("Floating point representation of string '12' is: " + A, 50, 30);
    text("Floating point representation of string '12.9' is: " + B, 50, 60);
    text("Floating point representation of string '0.9' is: " + C, 50, 90);
    text("Floating point representation of string '0' is: " + D, 50, 110);
}  

Output:

Example 2: This example uses float() function to get the floating point representation of the given string as a parameter.




function setup() { 
   
    // Creating Canvas size
    createCanvas(600, 90); 
   
function draw() { 
       
    // Set the background color 
    background(220); 
     
    // Initializing some strings
    let String1 = "Geeks";
    let String2 = "gfg";
     
    // Calling to float() function.
    let A = float(String1);
    let B = float(String2);
       
    // Set the size of text 
    textSize(16); 
       
    // Set the text color 
    fill(color('red')); 
     
    // Getting floating point representation
    text("Floating point representation of string 'Geeks' is: "
            + A, 50, 30);
    text("Floating point representation of string 'gfg' is: " 
            + B, 50, 60);

Output:

Note: From the above example, if the parameter should be a number then it returns the output as floating point representation otherwise it returns NaN i.e, not a number.

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




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