PShape model;
PImage tex;
float ry;
  
public void setup() {
  size(640, 640, P3D);
    
  model = loadShape("model/rocket.obj");
  translate(0, 0, 0);
  
}

public void draw() {
  background(0);
  lights();
  
  translate(width/2, height/1.5, 0);  //rocket

  rotateZ(PI);
  rotateY(ry);
  shape(model, 0, 0);

  ry += 0.02;
}