//Three towers on a common base.

SIZE = 1.0;
FLOORS = 67;
BASE = 5;//number of floors for the base

//textures
window = new UniformTexture();
window.diffuseColor.setRGB(0.6,0.6,0.6);
window.specularity = 0.5f;
window.shininess = 1.0f;
grn = new UniformTexture();
grn.diffuseColor.setRGB(0.1,0.7,0.1);
white = new UniformTexture();
white.diffuseColor.setRGB(0.7,0.7,0.7);

void tower(double xpos, double zpos, int height)
{
    //makes a tower at the specified location
    var c, box;
    int i;
    double th,x,r;
    Vec3 pos, offset;
    offset = new Vec3(xpos,0,zpos);
    c = new Cylinder(height*SIZE,5*SIZE,5*SIZE,1.0f);
    c.setTexture(window, window.getDefaultMapping(c));
    pos = new Vec3(0,height*SIZE/2,0);
    script.addObject(c, new CoordinateSystem(pos.plus(offset), 0,0,0));
    
    c = new Cylinder(0.4*SIZE,5.3*SIZE,5.3*SIZE,0.94f);
    c.setTexture(grn, grn.getDefaultMapping(c));
    for (i=BASE;i<=height;i++)
    {
        pos = new Vec3(0,i*SIZE,0);
        script.addObject(c, new CoordinateSystem(pos.plus(offset), 0,0,180));
    }
    
    th = 180.0/13;
    box = new Cube(0.25*SIZE,height*SIZE,10.1*SIZE);
    box.setTexture(white, white.getDefaultMapping(box));
    pos = new Vec3(0,height*SIZE/2,0);
    for (i=0;i<13;i++)
    {
         script.addObject(box, new CoordinateSystem(pos.plus(offset), 0,i*th,0));
    }
    
    //top of tower
    for (i=0;i<4;i++)
    {
        x = 5-1.25*i;
        r = (x-0.75)/x;
        if (r<=0.5) r=0.5;
        c = new Cylinder(SIZE*1.5,x,x,(float)r);
        if (i%2==0) c.setTexture(white, white.getDefaultMapping(c));
        else c.setTexture(grn, grn.getDefaultMapping(c));
        pos = new Vec3(0,(height+0.75)*SIZE+1.5*i*SIZE,0);
        script.addObject(c, new CoordinateSystem(pos.plus(offset), 0,0,180));
    }
    c = new Cylinder(9*SIZE,0.2*SIZE,0.2*SIZE,0.8);
    c.setTexture(white, white.getDefaultMapping(c));
    pos = new Vec3(0,(height+10.5)*SIZE,0);
    script.addObject(c, new CoordinateSystem(pos.plus(offset), 0,0,0));
}

//put it all together

tower(-11*SIZE,3*SIZE,FLOORS);
tower(2*SIZE,-7*SIZE,FLOORS*4/5);
tower(12*SIZE,7*SIZE,FLOORS*3/5);

box = new Cube(35*SIZE,BASE*SIZE,30*SIZE);
box.setTexture(window, window.getDefaultMapping(box));
pos = new Vec3(0,BASE*SIZE/2,0);
script.addObject(box, new CoordinateSystem(pos, 0,0,0));
box = new Cube(35.3*SIZE,0.3*SIZE,30.3*SIZE);
box.setTexture(white, white.getDefaultMapping(box));
for (i=1;i<=BASE;i++)
{
    pos = new Vec3(0,i*SIZE,0);
    script.addObject(box, new CoordinateSystem(pos, 0,0,0));
}
box = new Cube(35.3*SIZE,BASE*SIZE,0.1*SIZE);
box.setTexture(white, white.getDefaultMapping(box));
for (i=-29;i<30;i++)
{
    pos = new Vec3(0,BASE*SIZE/2,0.5*i*SIZE);
    script.addObject(box, new CoordinateSystem(pos, 0,0,0));
}
box = new Cube(0.1*SIZE,BASE*SIZE,30.3*SIZE);
box.setTexture(white, white.getDefaultMapping(box));
for (i=-34;i<35;i++)
{
    pos = new Vec3(0.5*i*SIZE,BASE*SIZE/2,0);
    script.addObject(box, new CoordinateSystem(pos, 0,0,0));
}