p5.js | nfp() Function
The nfp() function in p5.js is used to format the input numbers (integers or floats) into strings as well as it gives positive (+) and negative (-) sign according to the sign of input numbers.
Syntax:
nfp(Num, Left, Right)
Parameters: This function accepts three parameters as mentioned above and described below:
- Num: This is the input positive number or an array of numbers which are to be formatted.
- Left: This is the positive number which says the number of digits should be on the left side of the decimal point.
- Right: This is the positive number which says the number of digits should be on the right side of the decimal point.
Return Value: It returns the formatted string.
Below programs illustrate the nfp() function in p5.js:
Example 1: This example uses nfp() function to format the input numbers.
function setup() { // Creating Canvas size createCanvas(450, 200); } function draw() { // Set the background color background(220); // Initializing the Numbers let num1 = 345; let num2 = -12.3; let num3 = .5; let num4 = .05; let num5 = 0; let num6 = -0.7; // Calling to nfp() function. let A = nfp(num1, 4, 3); let B = nfp(num2, 4, 2); let C = nfp(num3, 5, 3); let D = nfp(num4, 2, 3); let E = nfp(num5, 2, 2); let F = nfp(num6, 4, 3); // Set the size of text textSize(16); // Set the text color fill(color('red')); // Getting formatted String text("Formatted String is: " + A, 50, 30); text("Formatted String is: " + B, 50, 60); text("Formatted String is: " + C, 50, 90); text("Formatted String is: " + D, 50, 110); text("Formatted String is: " + E, 50, 140); text("Formatted String is: " + F, 50, 170); } |
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Output:
Example 2: This example uses nfp() function to format the input numbers.
function setup() { // Creating Canvas size createCanvas(450, 90); } function draw() { // Set the background color background(220); // Initializing the array of numbers let num1 = [-345, 0, 2]; let num2 = [-12.3, .4, -2.0]; // Calling to nfp() function. let A = nfp(num1, 4, 3); let B = nfp(num2, 4, 2); // Set the size of text textSize(16); // Set the text color fill(color('red')); // Getting formatted String text("Formatted String is: " + A, 50, 30); text("Formatted String is: " + B, 50, 60); } |
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Output:
Reference: https://p5js.org/reference/#/p5/nfp
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