float x1,y1,x2,y2;
float x3,y3,x4,y4;

int r = 15;
int r2 = 45;
int v = 30;
float spin = 0;

void setup() 
{
  size(200, 200, P3D); 
  stroke(255);     // Set line drawing color to white
  noStroke();

  fill(100);
  framerate(30);
}


void draw()
{
  background(0);
  lights(); 
  if(mousePressed){spin-=5;}     
  //lights();
  translate(100,100);
  //rect(0,0,10,10);

  rotateY(radians(spin));
  scale(.5);
  rotateY(radians(35));
  for (int x=0; x< 360; x+=v){

    x1 = r * cos(radians(x));
    x2 = r * cos(radians(x+v));

    y1 = r * sin(radians(x));
    y2 = r * sin(radians(x+v));

    x3 = r2 * cos(radians(x));
    x4 = r2 * cos(radians(x+v));

    y3 = r2 * sin(radians(x));
    y4 = r2 * sin(radians(x+v));

    beginShape(QUAD_STRIP); 
    vertex(x1, y1, 0); 
    vertex(x3, y3, 100); 
    vertex(x2, y2, 0); 
    vertex(x4, y4, 100); 
    endShape(); 
  }

}