#ifndef QUBE_H
#define QUBE_H


#include "../../../math/Matrix4.h"
#include "Mesh.h"

namespace Ray3D {

	class Cube : public Mesh {

	public:

		/** ctor */
		Cube() {
			unitCube(true);
		}

		/** ctor with position, size and rotation */
		Cube(const Point3 pos, const Point3 size, const Point3 rot_deg, const bool topAndBottom = true) {
			unitCube(topAndBottom);
			transform(pos, size, rot_deg);
		}


		/** get a transformed version */
		Cube transformed(const Matrix4& mat) const {
			Cube res = *this;
			res.transform(mat);
			return res;
		}

		/** get a transformed version */
		Cube transformed(const Point3 pos, const Point3 size, const Point3 rot_deg) const {
			Cube res = *this;
			res.transform(pos, size, rot_deg);
			return res;
		}

	private:

		/** build unit-cube faces */
		void unitCube(const bool topAndBottom) {

			const float s = 1.0f;



			// left?
			addQuad(
				Point3(+s, -s, -s),
				Point3(+s, -s, +s),
				Point3(-s, -s, +s),
				Point3(-s, -s, -s)
			);

			// right?
			addQuad(
				Point3(-s, +s, -s),
				Point3(-s, +s, +s),
				Point3(+s, +s, +s),
				Point3(+s, +s, -s)
			);


			// small side
			if (1 == 1) {

				// front
				addQuad(
					Point3(-s, -s, -s),
					Point3(-s, -s, +s),
					Point3(-s, +s, +s),
					Point3(-s, +s, -s)
				);

				// read
				addQuad(
					Point3(+s, +s, -s),
					Point3(+s, +s, +s),
					Point3(+s, -s, +s),
					Point3(+s, -s, -s)
				);

			}



			if (topAndBottom) {

				// top
				addQuad(
					Point3(+s, +s, +s),
					Point3(-s, +s, +s),
					Point3(-s, -s, +s),
					Point3(+s, -s, +s)
				);

				// bottom
				addQuad(
					Point3(+s, -s, -s),
					Point3(-s, -s, -s),
					Point3(-s, +s, -s),
					Point3(+s, +s, -s)
				);

			}

		}


	};

}

#endif // QUBE_H