public float GetSquareRadius(CollisionTarget target)
{
return MathUtil.Pow2(Radius + target.Radius);
}
static bool GetSingleMultiCollision(CollisionTarget single, CircleCollisionSystem multi)
{
return multi.Collisions.Any(i => multi.IsCollision(i.GetCollisionTarget(), single));
}
public Vector2 GetDistanceVector(CollisionTarget target)
{
return Position - target.Position;
}
/// <summary>
/// 円と円との判定部分
/// </summary>
/// <param name="t1"></param>
/// <param name="t2"></param>
/// <returns></returns>
protected virtual bool IsCollision(CollisionTarget t1, CollisionTarget t2)
{
return t1.GetDistanceVector(t2).LengthSquared() < t1.GetSquareRadius(t2);
}
