//A building made up of two lens shaped sections.

SIZE = 1.0;
FLOORS = 84;//multiple of 6

//textures
window = new UniformTexture();
window.diffuseColor.setRGB(0.2,0.2,0.2);
window.specularity = 0.5f;
window.shininess = 1.0f;
blue = new UniformTexture();
blue.diffuseColor.setRGB(0.4,0.4,0.4);
gray = new UniformTexture();
gray.diffuseColor.setRGB(0.4,0.4,0.4);

Object3D unit(double height, double r)
{
    var bb, cyl;
    Vec3 pos;
    bb = new Cylinder(height+.1,r,r,1.0f);
    cyl = new Cylinder(height,r,r,1.0f);
    pos = new Vec3(0,0,10*SIZE);
    one = new ObjectInfo(bb, new CoordinateSystem(pos, 0,0,0), "one");
    pos = new Vec3(0,0,-10*SIZE);
    two = new ObjectInfo(cyl, new CoordinateSystem(pos, 0,0,0), "two");
    lens = new CSGObject(one, two, 1);
    return (lens.convertToTriangleMesh(0.1));
}

void tower(double xpos, double zpos, int flrs)
{
    offset = new Vec3(xpos, 0, zpos);
    main = unit(flrs*SIZE,20*SIZE);
    main.setTexture(window, window.getDefaultMapping(main));
    pos = new Vec3(0,flrs*SIZE/2,0);
    script.addObject(main, new CoordinateSystem(pos.plus(offset), 0,0,0));

    top = unit(6*SIZE,20*SIZE);
    top.setTexture(gray, gray.getDefaultMapping(top));
    pos = new Vec3(0,flrs*SIZE+3*SIZE,0);
    script.addObject(top, new CoordinateSystem(pos.plus(offset), 0,0,0));

    flat = unit(0.2*SIZE,20.2*SIZE);
    flat.setTexture(blue, blue.getDefaultMapping(flat));
    for (i=0;i<=flrs;i++)
    {
        pos = new Vec3(0,i*SIZE,0);
        script.addObject(flat, new CoordinateSystem(pos.plus(offset), 0,0,0));
    }

    //verticals
    for (i=-16;i<17;i++)
    {
        box = new Cube(0.3*SIZE,(flrs+2)*SIZE,0.3*SIZE);
        box.setTexture(gray, gray.getDefaultMapping(box));
        th = Math.PI/2 + Math.PI*i/50;
        z = SIZE*20*Math.sin(th)-10*SIZE;
        pos = new Vec3(SIZE*20*Math.cos(th),(flrs+2)*SIZE/2,z);
        script.addObject(box, new CoordinateSystem(pos.plus(offset), 0,th*180/Math.PI,0));
        pos = new Vec3(SIZE*20*Math.cos(th),(flrs+2)*SIZE/2,-z);
        script.addObject(box, new CoordinateSystem(pos.plus(offset), 0,-th*180/Math.PI,0));
    }
}

tower(0,0,FLOORS);
tower(-18/SIZE,-10*SIZE,FLOORS*5/6);

cy = new Cylinder(30*SIZE,0.4*SIZE,0.4*SIZE,0.8f);
cy.setTexture(gray, gray.getDefaultMapping(cy));
pos = new Vec3(-13*SIZE,(FLOORS+21)*SIZE,0);
script.addObject(cy, new CoordinateSystem(pos, 0,0,0));