class MyPoint {
    float x, y, z;
  
    MyPoint(float xinput, float yinput, float zinput){
      x = xinput;
      y = yinput;
      z = zinput;
    }
  
    void move(float xoff, float yoff, float zoff){
      x = x + xoff;
      y = y + yoff;
      z = z + zoff;
    }
    void scale(float xs, float ys, float zs){
      x = x * xs;
      y = y * ys;
      z = z * zs;
    }
    // Rotation around the z-axis
    void rotatez(float angle ){
      float tempx = x * cos(angle) - y * sin(angle);
      float tempy = y * cos(angle) + x * sin(angle);
      x = tempx;
      y = tempy;
    }
    //Rotation around the x-axis
    void rotatex(float angle ){
      float tempy = y * cos(angle) - z * sin(angle);
      float tempz = z * cos(angle) + y * sin(angle);
      y = tempy;
      z = tempz;
    }
    //Rotation around the y-axis
    void rotatey(float angle ){
      float tempx = x * cos(angle) - z * sin(angle);
      float tempz = z * cos(angle) + x * sin(angle);
      x = tempx;
      z = tempz;
    }
  
    int xP(float eye){
      float t = 1.0/(1.0+((float) z / eye ));
      int px = int( x * t);
      return(px);
    }
    int yP(float eye){
      float t = 1.0/(1.0+((float) z / eye ));
      int py = int( y * t);
      return(py);
    }
  }