Method distance

src/Battlescape/TileEngine.cpp:2393–2398

* Calculates the distance between 2 points. Rounded up to first INT. * @param pos1 Position of first square. * @param pos2 Position of second square. * @return Distance. */

 * @return Distance.
 */
int TileEngine::distance(const Position &pos1, const Position &pos2) const
{
	int x = pos1.x - pos2.x;
	int y = pos1.y - pos2.y;
	return (int)Round(sqrt(float(x*x + y*y)));
}

/**
 * Calculates the distance squared between 2 points. No sqrt(), not floating point math, and sometimes it's all you need.