/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://friendscentral.sketchpad.cc/sp/pad/view/ro.y73AQ$fERtQ/rev.17
 * 
 * authors: 
 *   Josh Fishman
 *   
 *   Sirus Negahban
 *   Colin Angevine
 *   
 *   Abby Crowley

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



float yPos;
void setup() {
    size(500, 500); 
    yPos = 10;
} 

void draw() {
    background(255);
    ellipse(250, yPos, 50, 50);
    yPos = yPos + 1;
}