public double distance_sq(GameEntity other)
{
float xdiff = other.Position.X - Position.X;
float ydiff = other.Position.Y - Position.Y;
return xdiff * xdiff + ydiff * ydiff;
}
// Returns true if the other entity is within the specified range
public bool inRange(GameEntity other, int range)
{
return distance(other) <= range;
}
// Calculates the euclidean distance between the entities
public double distance(GameEntity other)
{
if (other == null) return 0.0;
return (other.Position - Position).Length();
}
