MyObject b = new MyObject(); //create an object
void setup(){
  size(500,500, P3D); //setup the screen
  camera(-100,100,-100,0,0,0,0,0,1); //get a viewpoint
}
void draw(){
  b.draw3(); //draw the object
}
void mousePressed(){
  b.pick(mouseX,mouseY); //see if the mouse can pick
}