/*a group of towers based loosely on those of South City, Kolkata, India
grouping easily adjustable*/
SIZE = 1.0;
FLOORS = 36; //multiple of 3

//textures
white = new UniformTexture();
white.diffuseColor.setRGB(0.95,0.9,0.9);
grey = new UniformTexture();
grey.diffuseColor.setRGB(0.5,0.5,0.5);
brown = new UniformTexture();
brown.diffuseColor.setRGB(0.67,0.52,0.34);

//various convenient values
BFLOORS = 2*FLOORS/3;
TORAD = Math.PI/180;

//functions that make various pieces of building
void colA(Vec3 pos, double angle, int WFLOORS) //5 unit square
{
	//set up variables
	int i, j;
	Vec3 vv;
	Mat4 th, mpos;
	th = Mat4.yrotation(angle*TORAD);
    mpos = Mat4.translation(pos.x, pos.y, pos.z);
	//brown
	box = new Cube(SIZE,BFLOORS*SIZE,SIZE);
	box.setTexture(brown, brown.getDefaultMapping(box));
	for (i=-1;i<2;i++)
	{
		for (j=-1;j<2;j++)
		{
			if (!(i==0&&j==0)){
			vv = new Vec3(2*i*SIZE,BFLOORS*SIZE/2.0,2*j*SIZE);
			rr = new CoordinateSystem(vv, 0,0,0);
			rr.transformCoordinates(th); rr.transformOrigin(mpos);
			script.addObject(box, rr);}
		}
	}
	box = new Cube(5*SIZE,0.3*SIZE,5*SIZE);
	box.setTexture(brown, brown.getDefaultMapping(box));
	for (i=0;i<BFLOORS;i++)
	{
		vv = new Vec3(0,i*SIZE,0);
		rr = new CoordinateSystem(vv, 0,0,0);
		rr.transformCoordinates(th); rr.transformOrigin(mpos);
		script.addObject(box, rr);
	}
	box = new Cube(5.2*SIZE,0.3*SIZE,5.2*SIZE);
	box.setTexture(brown, brown.getDefaultMapping(box));
	vv = new Vec3(0,BFLOORS*SIZE,0);
	rr = new CoordinateSystem(vv, 0,0,0);
	rr.transformCoordinates(th); rr.transformOrigin(mpos);
	script.addObject(box, rr);
	//white
	box = new Cube(SIZE,WFLOORS*SIZE,SIZE);
	box.setTexture(white, white.getDefaultMapping(box));
	for (i=-1;i<2;i++)
	{
		for (j=-1;j<2;j++)
		{
			if (!(i==0&&j==0)){
			vv = new Vec3(2*i*SIZE,BFLOORS*SIZE+WFLOORS*SIZE/2.0,2*j*SIZE);
			rr = new CoordinateSystem(vv, 0,0,0);
			rr.transformCoordinates(th); rr.transformOrigin(mpos);
			script.addObject(box, rr);}
		}
	}
	box = new Cube(5*SIZE,0.3*SIZE,5*SIZE);
	box.setTexture(white, white.getDefaultMapping(box));
	for (i=BFLOORS+1;i<=BFLOORS+WFLOORS;i++)
	{
		vv = new Vec3(0,i*SIZE,0);
		rr = new CoordinateSystem(vv, 0,0,0);
		rr.transformCoordinates(th); rr.transformOrigin(mpos);
		script.addObject(box, rr);
	}
	//grey
	box = new Cube(4.4*SIZE,(BFLOORS+WFLOORS)*SIZE,4.4*SIZE);
	box.setTexture(grey, grey.getDefaultMapping(box));
	vv = new Vec3(0,(BFLOORS+WFLOORS)*SIZE/2.0,0);
	rr = new CoordinateSystem(vv, 0,0,0);
	rr.transformCoordinates(th); rr.transformOrigin(mpos);
	script.addObject(box, rr);
}

void colB(Vec3 pos, double angle) //2x5 units
{
	//set up variables
	int i, j;
	Vec3 vv;
	Mat4 th, mpos;
	th = Mat4.yrotation(angle*TORAD);
    mpos = Mat4.translation(pos.x, pos.y, pos.z);
	//brown
	box = new Cube(0.6*SIZE,BFLOORS*SIZE,6*SIZE);
	box.setTexture(brown, brown.getDefaultMapping(box));
	for (i=0;i<2;i++)
	{
		vv = new Vec3(i*SIZE,BFLOORS*SIZE/2,0);
		rr = new CoordinateSystem(vv, 0,0,0);
		rr.transformCoordinates(th); rr.transformOrigin(mpos);
		script.addObject(box, rr);
	}
	box = new Cube(2*SIZE,BFLOORS*SIZE,0.5*SIZE);
	box.setTexture(brown, brown.getDefaultMapping(box));
	for (i=-2;i<3;i++)
	{
		vv = new Vec3(SIZE,BFLOORS*SIZE/2,i*SIZE);
		rr = new CoordinateSystem(vv, 0,0,0);
		rr.transformCoordinates(th); rr.transformOrigin(mpos);
		script.addObject(box, rr);
	}
	box = new Cube(2*SIZE,0.3*SIZE,6*SIZE);
	box.setTexture(brown, brown.getDefaultMapping(box));
	for (i=0;i<BFLOORS;i++)
	{
		vv = new Vec3(SIZE,i*SIZE,0);
		rr = new CoordinateSystem(vv, 0,0,0);
		rr.transformCoordinates(th); rr.transformOrigin(mpos);
		script.addObject(box, rr);
	}
	box = new Cube(2*SIZE,0.3*SIZE,6*SIZE);
	box.setTexture(brown, brown.getDefaultMapping(box));
	vv = new Vec3(SIZE,BFLOORS*SIZE,0);
	rr = new CoordinateSystem(vv, 0,0,0);
	rr.transformCoordinates(th); rr.transformOrigin(mpos);
	script.addObject(box, rr);
	//white
	WFLOORS = FLOORS-BFLOORS;
	box = new Cube(0.6*SIZE,WFLOORS*SIZE,6*SIZE);
	box.setTexture(white, white.getDefaultMapping(box));
	for (i=0;i<2;i++)
	{
		vv = new Vec3(i*SIZE,BFLOORS*SIZE+WFLOORS*SIZE/2.0,0);
		rr = new CoordinateSystem(vv, 0,0,0);
		rr.transformCoordinates(th); rr.transformOrigin(mpos);
		script.addObject(box, rr);
	}
	box = new Cube(2*SIZE,WFLOORS*SIZE,0.5*SIZE);
	box.setTexture(white, white.getDefaultMapping(box));
	for (i=-2;i<3;i++)
	{
		vv = new Vec3(SIZE,BFLOORS*SIZE+WFLOORS*SIZE/2.0,i*SIZE);
		rr = new CoordinateSystem(vv, 0,0,0);
		rr.transformCoordinates(th); rr.transformOrigin(mpos);
		script.addObject(box, rr);
	}
	box = new Cube(2*SIZE,0.3*SIZE,6*SIZE);
	box.setTexture(white, white.getDefaultMapping(box));
	for (i=BFLOORS+1;i<=FLOORS;i++)
	{
		vv = new Vec3(SIZE,i*SIZE,0);
		rr = new CoordinateSystem(vv, 0,0,0);
		rr.transformCoordinates(th); rr.transformOrigin(mpos);
		script.addObject(box, rr);
	}
	//grey
	box = new Cube(1.4*SIZE,FLOORS*SIZE,5.4*SIZE);
	box.setTexture(grey, grey.getDefaultMapping(box));
	vv = new Vec3(SIZE,FLOORS*SIZE/2,0);
	rr = new CoordinateSystem(vv, 0,0,0);
	rr.transformCoordinates(th); rr.transformOrigin(mpos);
	script.addObject(box, rr);
}

//make a tower
place = new Random(20130927);
void tower(Vec3 yy)
{
	Vec3 b;
	double x;
	int a;
	for (k=0;k<5;k++)
	{
		x = place.nextDouble()*2+3;
		a = FLOORS-BFLOORS-3;
		b = new Vec3(5*(k-2)*SIZE,0,x*SIZE);
		colA(b.plus(yy), 0.0, a+place.nextInt(6));
		b = new Vec3(5*(k-2)*SIZE,0,-x*SIZE);
		colA(b.plus(yy), 0.0, a+place.nextInt(6));
	}
	b = new Vec3(12.8*SIZE,0,0);
	colB(b.plus(yy),0);
	b = new Vec3(-12.8*SIZE,0,0);
	colB(b.plus(yy),180);
}

//put it all together
tower(new Vec3(-25*SIZE,0,20*SIZE));
tower(new Vec3(-20*SIZE,0,0));
tower(new Vec3(25*SIZE,0,0));
tower(new Vec3(3*SIZE,0,-22*SIZE));