Spin3d spin = new Spin3d();
PFont font;
Figure fig;
void setup() {
  size(400,400);
  framerate(30);
  depth();
  font = loadFont("font.vlw");
  textFont(font,0.2f);
  angleMode(DEGREES);
  fig = new Figure(1.0f);
  //smooth();
}

void text(String s, float x, float y) {
  for (int i=0; i<s.length(); i++) {
    text(s.charAt(i),x,y);
    x+=font.width(s.charAt(i))*0.19f;
  }
}
void draw() {
  background(240);
  noStroke();
  translate(width/2,height/2);
  scale(80);
  spin.update();
  spin.apply();
  fig.draw();
}
void mouseDragged() {
  spin.mouseMoved();
}
class Figure extends Joint {
  public Figure(float scale) {
    super("Stomach",0,0,90,0,scale,
      new Joint[]{
        new Joint("LoChest",0,0,-180,0.8f, 1.0f, new Joint[]{
          new Joint("UpChest",0,0,0,0.5f, 1.0f, new Joint[]{
            new Joint("Neck",0,0,0,0.3f),
            new Joint("rShoulder",0,0,90, 0.4f, 1.0f, new Joint[]{
              new Joint("rUpArm",0,0,0,0.7f, 1.0f, new Joint[]{
                new Joint("rLoArm",0,0,0,0.7f)
              })
            }),
            new Joint("rShoulder",0,0,-90, 0.4f, 1.0f, new Joint[]{
              new Joint("rUpArm",0,0,0,0.7f, 1.0f, new Joint[]{
                new Joint("rLoArm",0,0,0,0.7f)
              })
            })
          })
        }),
        new Joint("rHip",0,0,70, 0.3f, 1.0f, new Joint[]{
          new Joint("rUpLeg",0,0,-70,1.0f, 1.0f, new Joint[]{
            new Joint("rLoLeg",0,0,0,1.0f,1.0f, new Joint[]{
              new Joint("rFoot",90,180,90,0.3f)
            })
          })
        }),
        new Joint("lHip",0,0,-70, 0.3f, 1.0f, new Joint[]{
          new Joint("lUpLeg",0,0,70,1.0f, 1.0f, new Joint[]{
            new Joint("lLoLeg",0,0,0,1.0f,1.0f, new Joint[]{
              new Joint("lFoot",90,180,90,0.3f)
            })
          })
        }),
      }
    );
  }
}

class Joint {
  String label;
  float rotateX, rotateY, rotateZ, scale, length;
  
  public Joint(String label, float rotateX, float rotateY, float rotateZ, float length) {
    this(label,rotateX,rotateY,rotateZ,length,1.0f,null);
  }
  public Joint(String label,float rotateX, float rotateY, float rotateZ, float length, float scale, Joint children[]) {
    this.label = label;
    this.length = length;
    this.scale = scale;
    this.rotateX = rotateX;
    this.rotateY = rotateY;
    this.rotateZ = rotateZ;
    this.children = children;
  }
  
  Joint children[];

  void draw() {
    push();
      scale(scale);
      rotateX(rotateX);
      rotateY(rotateY);
      rotateZ(rotateZ);
      fill(0);
      text(label,0,0);
      fill(80);
      triangle(0,-0.05f, 0,0.05f, length,0);
      translate(length,0,0);
      fill(0,0,200);
      sphere(0.05f);
      drawChildren();
    pop();
  }
  void drawChildren() {
    if (children != null)
      for (int i=0; i<children.length; i++)
        children[i].draw();
  }
}