The green() function in p5.js is used to extract the green value from a color or pixel array.
Syntax:
green(c)
Parameters: This function accepts single parameter c which stores the p5.Color object, color components, or CSS color.
Below programs illustrate the green() function in p5.js:
Example 1: This example uses green() function to extract the green value from a color or pixel array.
function setup() { // Create Canvas of size 300*80 createCanvas(300, 80); } function draw() { // Set background color background(220); // Initialize the parameter let c = color(0, 126, 255, 102); // Extract the green value let y = green(c); // Set font size textSize(16); // Set font color fill(color( 'red' )); // Display result text( "Green Value is : " + y, 50, 30); } |
Output:
Example 2: This example uses green() function to extract green value and fill it to the rectangle.
function setup() { // Create Canvas of size 300*80 createCanvas(160, 180); } function draw() { // Set the background color background(220); // Initialize the parameter let c = color(0, 126, 100, 34); // Sets 'value' to 126 let value = green(c); // Fill the color fill(0, value, 0); // Create rectangle rect(50, 15, 35, 70); // Display result text( "Value of green is : " + value, 22, 110); } |
Output:
Reference: https://p5js.org/reference/#/p5/green