//A cylindrical building with balconies and a decorative top. Designed in collaberation with my students.
SIZE = 1.0;
//the radii of the inside wall and outside wall
IRADIUS = 77.5*SIZE;
ORADIUS = 112.5*SIZE;
//number of floors devoted to various activities
RFLOORS = 108;
BFLOORS = 12;
//some mathmatical constants
TWOPI = Math.PI*2;

//fix variables
SIZE = SIZE/15.0;
IRADIUS = IRADIUS/15.0;
ORADIUS = ORADIUS/15.0;

//textures
railing = new UniformTexture();
railing.diffuseColor.setRGB(0.8, 0.0, 0.0);
balcony = new UniformTexture();
balcony.diffuseColor.setRGB(0.6, 0.6, 0.6);
tower_color = new UniformTexture();
tower_color.diffuseColor.setRGB(0.5, 0.5, 0.5);
//main script
pos = new Vec3(0.0, 0.0, 0);
cdx = new CoordinateSystem(pos, 0, 0, 0);
//base1 = new ObjectInfo( new Cylinder((RFLOORS+BFLOORS)*15.0, ORADIUS, ORADIUS, 1.0), cdx, "HI");
//base2 = new ObjectInfo( new Cylinder((RFLOORS+BFLOORS)*15.0, IRADIUS, IRADIUS, 1.0), cdx, "Lo");
//building = new CSGObject(base1, base2, 2);
building = new Cylinder((RFLOORS+BFLOORS)*15.0*SIZE, ORADIUS, ORADIUS, 1.0);
building.setTexture(tower_color, tower_color.getDefaultMapping(building));
p = new Vec3(0.0, (RFLOORS+BFLOORS)*7.5*SIZE, 0.0);
script.addObject(building, new CoordinateSystem(p, 0, 0, 0));
//add balconies
for (i=0; i<20; i++)
{
  for (j=0; j<RFLOORS; j++)
  {
    box = new Cube(12.0*SIZE, 0.5*SIZE, 4.6*SIZE);
    box.setTexture(balcony, balcony.getDefaultMapping(box));
    x = Math.sin(i*TWOPI/20.0)*(ORADIUS+2.0*SIZE);
    y = 15.0*(BFLOORS+j)*SIZE;
    z = Math.cos(i*TWOPI/20.0)*(ORADIUS+2.0*SIZE);
    theta = -18*i;
    pos = new Vec3(x, y, z);
    script.addObject(box, new CoordinateSystem(pos, 0, theta, 0));
    //add a railing to the balcony
    pts = new Vec3[4];
    pts[0] = new Vec3(-6.0*SIZE, 0.0*SIZE, -2.3*SIZE);
    pts[1] = new Vec3(-6.0*SIZE, 0.0*SIZE, 2.3*SIZE);
    pts[2] = new Vec3(6.0*SIZE, 0.0*SIZE, 2.3*SIZE);
    pts[3] = new Vec3(6.0*SIZE, 0.0*SIZE, -2.3*SIZE);
    t = new Tube(pts, 0.3*SIZE, 0, 0);
    t.setTexture(railing, railing.getDefaultMapping(t));
    pos = new Vec3(x, y+1*SIZE, z);
    script.addObject(t, new CoordinateSystem(pos, 0, theta, 0));
    pos = new Vec3(x, y+2*SIZE, z);
    script.addObject(t, new CoordinateSystem(pos, 0, theta, 0));
    pos = new Vec3(x, y+3*SIZE, z);
    script.addObject(t, new CoordinateSystem(pos, 0, theta, 0));
  }
}

//add a top to the building
pos = new Vec3(0.0, 0.0, 0);
cdx = new CoordinateSystem(pos, 0, 0, 0);
ratio = IRADIUS/ORADIUS;
//top1 = new ObjectInfo( new Cylinder(50.0, ORADIUS, ORADIUS, ratio), cdx, "x");
//top2 = new ObjectInfo( new Cylinder(50.0, IRADIUS, IRADIUS, 1.0), cdx, "y");
//top = new CSGObject(top1, top2, 2);
top = new Cylinder(50.0*SIZE, ORADIUS, ORADIUS, ratio);
top.setTexture(tower_color, tower_color.getDefaultMapping(top));
y = (RFLOORS+BFLOORS)*15.0*SIZE+25.0*SIZE;
script.addObject(top, new CoordinateSystem(new Vec3(0.0, y, 0.0), 0, 0, 0));
for (i=0; i<20; i++)
{
  box = new Cube(2*SIZE, 40*SIZE, ORADIUS-IRADIUS-1*SIZE);
  box.setTexture(tower_color, tower_color.getDefaultMapping(box));
  x = Math.sin(i*TWOPI/20.0)*(IRADIUS+(ORADIUS-IRADIUS)/2.0);
  y = (RFLOORS+BFLOORS)*15.0*SIZE+20.0*SIZE;
  z = Math.cos(i*TWOPI/20.0)*(IRADIUS+(ORADIUS-IRADIUS)/2.0);
  theta = -18*i;
  pos = new Vec3(x, y, z);
  script.addObject(box, new CoordinateSystem(pos, 0, theta, 0));
}