p5.js ellipseMode() Function

Last Updated : 12 Jul, 2025
The ellipseMode() function is an inbuilt function in p5.js which is used to set the location where the ellipses are drawn by changing the way. The default mode of this function is ellipseMode(CENTER). Syntax: 
ellipseMode( mode )
Parameters: This function accepts single parameter as mentioned above and described below:
  • mode: This parameter contains different mode constant those are case sensitive so must use it in capital letter.The modes are CENTER, RADIUS, CORNER or CORNERS.
Example 1: javascript 
function setup() { 
     
    // Create Canvas of given size 
    createCanvas(300, 300); 
 
} 
 
function draw() { 
     
    background(220);
     
    // Set ellipseMode to RADIUS
    ellipseMode(CORNER);
    
    // Fill color
    fill('green');
  
    // Draw the ellipse
    ellipse(150, 150, 100, 100);

    // Set ellipseMode to CENTER
    ellipseMode(CONRNERS); 
    
    // Fill color
    fill("white");
    
    // Draw the ellipse
    ellipse(50, 50, 50, 50);
   
}
Output: Example 2: javascript 
function setup() { 
     
    // Create Canvas of given size 
    createCanvas(300, 300); 
 
} 
 
function draw() { 
     
    background(220);
     
    // Set ellipseMode to RADIUS
    ellipseMode(RADIUS);
    
    // Fill color
    fill('green');
  
    // Draw the ellipse
    ellipse(150, 150, 100, 100);

    // Set ellipseMode to CENTER
    ellipseMode(CENTER); 
    
    // Fill color
    fill("white");
    
    // Draw the ellipse
    ellipse(150, 150, 50, 50);
   
}
Output: Online editor: https://editor.p5js.org/ Environment Setup: https://www.geeksforgeeks.org/javascript/p5-js-soundfile-object-installation-and-methods/ Reference: https://p5js.org/reference/#/p5/ellipseMode
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