/// <summary>
/// Returns the gravitional force between A & B, in the direction of A to B
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
private static Vector2f ForceBetweenPlanets(Planet a, Planet b)
{
var d = Utils.Distance(a.Position, b.Position);
var forceMag = m_GravConst * (a.Mass * b.Mass) / d; //Newton's Law of Universal Gravitation
var forceVector = b.Position - a.Position;
forceVector /= (float)d; //reduce to unit vector
forceVector *= (float)forceMag; //scale to proper magnitude
return forceVector;
}
private bool PositionFree(Point target) => Planet.IsInBounds(target) && Planet.Population.All(p => p.Position != target) && Planet.Bushes.All(b => b.Position != target);
static public Vector2 GetDistanceVector(Planet planet1, Planet planet2)
{
return(planet2.Position - planet1.Position);
}