import processing.core.PApplet;
public class MySketch extends PApplet {
public void settings() {
size(500, 500);
}
public void draw(){
background(64);
ellipse(mouseX, mouseY, 20, 20);
}
public static void main(String[] passedArgs) {
String[] appletArgs = new String[] { "MySketch" };
PApplet.main(appletArgs);
}
}