p5.js | setGreen() Function

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The setGreen() function in p5.js is used to set the green color value in RGB color mode. It sets the second value of RGB format.

Syntax:

setGreen(green)

Parameters: The function accepts single parameter as mentioned above and described below:

green: This parameter stores the new green value.

Below programs illustrate the setGreen() function in p5.js:
Example-1: This example uses setGreen() function to set red value of RGB color format.

/* declare a variable 
to store the value of color*/
let backgroundColor; 
  
function setup() { 
    /* initialise the variable 
    with RGB color format*/
    backgroundColor = 
      color(13, 0, 150); 
} 
  
function draw() { 
    /* Create Canvas of a given size*/
  
    createCanvas(500, 500); 
  
    // Use of setGreen function 
    backgroundColor.setGreen( 
      0 + 128 * cos(millis() / 1000)); 
  
    /* Pass the initialised variable  
      to background function*/
    background(backgroundColor); 
  
    // Set text size 
    textSize(30); 
  
    // Set text color 
    fill("white"); 
  
    // set text 
    text("GeeksForGeeks", 125, 125); 
  
} 

Output:

Example-2: This example uses setGreen() function to set red value of RGB color format.

/* declare a variable to  
store the value of color.*/
let backgroundColor; 
  
function setup() { 
    /* initialise the variable 
    with RGB color format.*/
    backgroundColor =  
      color(0, 0, 0); 
} 
  
function draw() { 
    // Create Canvas of a given size 
  
    createCanvas(540, 500); 
  
    /* Use of setGreen function 
    and initialise it to maximum.*/
    backgroundColor.setGreen(255); 
  
    /* Pass the initialised variable 
    to background function.*/
    background(backgroundColor); 
  
    // Set text size 
    textSize(30); 
  
    // Set text color 
    fill("green"); 
  
    // set text 
    text("GeeksForGeeks\n ", 135, 125); 
    text( 
      "A Computer Science Portal For Geeks"
      , 10, 155); 
  
} 

Output:

Reference:https://p5js.org/reference/#/p5.Color/setGreen

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