using System;

namespace lib
{

[Serializable]
public struct Pos
{
	public float x { get; private set; }
	public float y { get; private set; }
	public float z { get; private set; }


	public Pos( float _x, float _y, float _z ) : this()
	{
		x = _x;
		y = _y;
		z = _z;
	}

	// overload operator +
	public static Pos operator +( Pos a, Pos b )
	{
		return new Pos( a.x + b.x, a.y + b.y, a.z + b.z );
	}

	public static Pos operator -( Pos a, Pos b )
	{
		return new Pos( a.x - b.x, a.y - b.y, a.z - b.z );
	}

	public static Pos operator /( Pos a, float val )
	{
		return new Pos( a.x / val, a.y / val, a.z / val );
	}
		
	public static Pos operator *( Pos a, float val )
	{
		return new Pos( a.x * val, a.y * val, a.z * val );
	}

	public float distSqr( Pos other )
	{
		float dx = x - other.x;
		float dy = y - other.y;
		float dz = z - other.z;
			
		return dx * dx + dy * dy + dz * dz;
	}
}

}