The saturation() function in p5.js is used to extract the HSL and HSB saturation value from a color or pixel array.
Syntax:
saturation(c)
Parameters: ThIS function accepts single parameter c which stores the p5.Color object, color components, or CSS color.
Below programs illustrate the saturation() function in p5.js:
Example 1: This example uses saturation() function to extract the HSL and HSB saturation value from the pixel array.
function setup() {           // Create Canvas of size 300*80     createCanvas(300, 80); }   function draw() {           // Set background color     background(220);           // Initialize color mode to HSB     colorMode(HSL, 255);           // Initialize the parameter     let c = color(0, 126, 100);           // Sets 'value' to 126     let value = saturation(c);           // Set the font size     textSize(16);           // Set the font color     fill(color('red'));           // Display result     text("Saturation Value is : "            + int(value), 50, 30); } |
Output:
Example 2: This example uses saturation() function to extract the HSL and HSB saturation value from the pixel array and fill this as grayscale value.
function setup() {       // Create Canvas of size 300*180     createCanvas(300, 180); }   function draw() {           // Set the background color     background(220);           // Initialize color mode to HSB     colorMode(HSB, 255);           // Initialize the parameter     let c = color(56, 126, 10);           // Sets 'value' to 126     let value = saturation(c);           // Fill the color     fill(value);           // Create rectangle     rect(50, 15, 35, 70);       // Display result     text("Value of Saturation is : "            + int(value), 22, 110); } |
Output:
Reference: https://p5js.org/reference/#/p5/saturation
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