//A collection of buildings of random heights. Average height adjustable.
SIZE = 1.0;
FLOORS = 35;//an average number of floors
SEED = 20130401;//seed for the random number generator

//textures
win = new UniformTexture();
win.diffuseColor.setRGB(0.5,0.5,0.5);
wall = new UniformTexture();
wall.diffuseColor.setRGB(0.8,0.7,0.4);

r = new Random(SEED);

void block(double x, double z, int floor)
{
    int k;
    Cube box = new Cube(10*SIZE,floor*SIZE,10*SIZE);
    box.setTexture(win, win.getDefaultMapping(box));
    Vec3 pos = new Vec3(x,floor*SIZE/2,z);
    script.addObject(box, new CoordinateSystem(pos, 0,0,0));
    
    box = new Cube(0.5*SIZE,floor*SIZE,0.5*SIZE);
    box.setTexture(wall, wall.getDefaultMapping(box));
    for (k=-5;k<5;k++)
    {
        pos = new Vec3(x+k*SIZE,floor*SIZE/2,z+5*SIZE);
        script.addObject(box, new CoordinateSystem(pos, 0,0,0));
        pos = new Vec3(x+(k+1)*SIZE,floor*SIZE/2,z-5*SIZE);
        script.addObject(box, new CoordinateSystem(pos, 0,0,0));
        pos = new Vec3(x-5*SIZE,floor*SIZE/2,z+k*SIZE);
        script.addObject(box, new CoordinateSystem(pos, 0,0,0));
        pos = new Vec3(x+5*SIZE,floor*SIZE/2,z+(k+1)*SIZE);
        script.addObject(box, new CoordinateSystem(pos, 0,0,0));
    }
    
    box = new Cube(10.4*SIZE,0.4*SIZE,10.4*SIZE);
    box.setTexture(wall, wall.getDefaultMapping(box));
    for (k=0;k<=floor;k++)
    {
        pos = new Vec3(x,k*SIZE,z);
        script.addObject(box, new CoordinateSystem(pos, 0,0,0));
    }
}


for (int i=-2;i<2;i++)
{
    for (int j=0;j<2;j++)
    {
        h = FLOORS/2 + r.nextInt(FLOORS);
        block(10.0*i,10.0*j,h);
    }
}