#ifndef P3_H
#define P3_H

struct P3 {

	double x;
	double y;
	double z;

	P3() : x(0), y(0), z(0) {;}
	P3(const double x, const double y, const double z) : x(x), y(y), z(z) {;}

	P3 operator - (const P3& o) const {
		return P3(x-o.x, y-o.y, z-o.z);
	}

	P3 operator + (const P3& o) const {
		return P3(x+o.x, y+o.y, z+o.z);
	}

	P3 operator * (const double v) const {
		return P3(x*v, y*v, z*v);
	}

	double getLength(const double floorHeight_cm) const {
		 return std::sqrt(x*x + y*y + z*floorHeight_cm*z*floorHeight_cm);
	}

};

#endif // P3_H