public QuadTree(int level, BoundingRectangle bounds)
{
this.level = level;
objects = new List<Node>();
this.bounds = bounds;
this.nodes = new QuadTree[4];
}
/// <summary>
/// Calculates the signed depth of intersection between two rectangles.
/// </summary>
/// <returns>
/// The amount of overlap between two intersecting rectangles. These
/// depth values can be negative depending on which wides the rectangles
/// intersect. This allows callers to determine the correct direction
/// to push objects in order to resolve collisions.
/// If the rectangles are not intersecting, Vector2.Zero is returned.
/// </returns>
public static Vector2 GetIntersectionDepth(this BoundingRectangle rectA, BoundingRectangle rectB)
{
// Calculate half sizes.
float halfWidthA = rectA.Width / 2.0f;
float halfHeightA = rectA.Height / 2.0f;
float halfWidthB = rectB.Width / 2.0f;
float halfHeightB = rectB.Height / 2.0f;
// Calculate centers.
Vector2 centerA = new Vector2(rectA.Left + halfWidthA, rectA.Top + halfHeightA);
Vector2 centerB = new Vector2(rectB.Left + halfWidthB, rectB.Top + halfHeightB);
// Calculate current and minimum-non-intersecting distances between centers.
float distanceX = centerA.X - centerB.X;
float distanceY = centerA.Y - centerB.Y;
float minDistanceX = halfWidthA + halfWidthB;
float minDistanceY = halfHeightA + halfHeightB;
// If we are not intersecting at all, return (0, 0).
if (Math.Abs(distanceX) >= minDistanceX || Math.Abs(distanceY) >= minDistanceY)
return Vector2.Zero;
// Calculate and return intersection depths.
float depthX = distanceX > 0 ? minDistanceX - distanceX : -minDistanceX - distanceX;
float depthY = distanceY > 0 ? minDistanceY - distanceY : -minDistanceY - distanceY;
return new Vector2(depthX, depthY);
}
public void Intersects(ref BoundingRectangle rect, out bool result)
{
result =
(this.Min.X < rect.Max.X) &&
(this.Min.Y < rect.Max.Y) &&
(this.Max.X > rect.Min.X) &&
(this.Max.Y > rect.Min.Y);
}
public bool Intersects(BoundingRectangle rect)
{
return
(this.Min.X < rect.Max.X) &&
(this.Min.Y < rect.Max.Y) &&
(this.Max.X > rect.Min.X) &&
(this.Max.Y > rect.Min.Y);
}
public bool Equals(BoundingRectangle other)
{
return
(this.Min.X == other.Min.X) &&
(this.Min.Y == other.Min.Y) &&
(this.Max.X == other.Max.X) &&
(this.Max.Y == other.Max.Y);
}
static BoundingRectangle()
{
BoundingRectangle.mEmpty = new BoundingRectangle();
BoundingRectangle.mMinMax = new BoundingRectangle(Vector2.One * float.MinValue, Vector2.One * float.MaxValue);
}
public void Contains(ref BoundingRectangle rect, out bool result)
{
result =
(this.Min.X <= rect.Min.X) &&
(this.Min.Y <= rect.Min.Y) &&
(this.Max.X >= rect.Max.X) &&
(this.Max.Y >= rect.Max.Y);
}
public bool Contains(BoundingRectangle rect)
{
return
(this.Min.X <= rect.Min.X) &&
(this.Min.Y <= rect.Min.Y) &&
(this.Max.X >= rect.Max.X) &&
(this.Max.Y >= rect.Max.Y);
}
public static void Union(ref BoundingRectangle rect1, ref BoundingRectangle rect2, out BoundingRectangle result)
{
float num6 = rect1.Max.X;
float num5 = rect2.Max.X;
float num4 = rect1.Max.Y;
float num3 = rect2.Max.Y;
float num2 = (rect1.Min.X < rect2.Min.X) ? rect1.Min.X : rect2.Min.X;
float num = (rect1.Min.Y < rect2.Min.Y) ? rect1.Min.Y : rect2.Min.Y;
float num8 = (num6 > num5) ? num6 : num5;
float num7 = (num4 > num3) ? num4 : num3;
result.Min.X = num2;
result.Min.Y = num;
result.Max.X = num8;
result.Max.Y = num7;
}
public static BoundingRectangle Union(BoundingRectangle rect1, BoundingRectangle rect2)
{
BoundingRectangle result;
float num6 = rect1.Max.X;
float num5 = rect2.Max.X;
float num4 = rect1.Max.Y;
float num3 = rect2.Max.Y;
float num2 = (rect1.Min.X < rect2.Min.X) ? rect1.Min.X : rect2.Min.X;
float num = (rect1.Min.Y < rect2.Min.Y) ? rect1.Min.Y : rect2.Min.Y;
float num8 = (num6 > num5) ? num6 : num5;
float num7 = (num4 > num3) ? num4 : num3;
result.Min.X = num2;
result.Min.Y = num;
result.Max.X = num8;
result.Max.Y = num7;
return result;
}
public static void Intersect(ref BoundingRectangle rect1, ref BoundingRectangle rect2, out BoundingRectangle result)
{
float num8 = rect1.Max.X;
float num7 = rect2.Max.X;
float num6 = rect1.Max.Y;
float num5 = rect2.Max.Y;
float num2 = (rect1.Min.X > rect2.Min.X) ? rect1.Min.X : rect2.Min.X;
float num = (rect1.Min.Y > rect2.Min.Y) ? rect1.Min.Y : rect2.Min.Y;
float num4 = (num8 < num7) ? num8 : num7;
float num3 = (num6 < num5) ? num6 : num5;
if ((num4 > num2) && (num3 > num))
{
result.Min.X = num2;
result.Min.Y = num;
result.Max.X = num4;
result.Max.Y = num3;
}
result.Min.X = 0;
result.Min.Y = 0;
result.Max.X = 0;
result.Max.Y = 0;
}
public static BoundingRectangle Intersect(BoundingRectangle rect1, BoundingRectangle rect2)
{
BoundingRectangle result;
float num8 = rect1.Max.X;
float num7 = rect2.Max.X;
float num6 = rect1.Max.Y;
float num5 = rect2.Max.Y;
float num2 = (rect1.Min.X > rect2.Min.X) ? rect1.Min.X : rect2.Min.X;
float num = (rect1.Min.Y > rect2.Min.Y) ? rect1.Min.Y : rect2.Min.Y;
float num4 = (num8 < num7) ? num8 : num7;
float num3 = (num6 < num5) ? num6 : num5;
if ((num4 > num2) && (num3 > num))
{
result.Min.X = num2;
result.Min.Y = num;
result.Max.X = num4;
result.Max.Y = num3;
return result;
}
result.Min.X = 0;
result.Min.Y = 0;
result.Max.X = 0;
result.Max.Y = 0;
return result;
}
public void ExplodeBomb(FatBomb bomb)
{
soundEffectBomb.Play();
int width = 186;
int height = 186;
BoundingRectangle rect = new BoundingRectangle((int)bomb.Position.X - width / 2, (int)bomb.Position.Y - height / 2, width, height);
foreach (Vetbol player in this.players)
{
if (player.GetBoundingBox().Intersects(rect) && !player.IsFlickering)
{
Controller.Input.SetVibrationWithTimer(player.index, TimeSpan.FromMilliseconds(300));
player.Deactivate();
if(!respawnTimers.ContainsKey(player))
respawnTimers.Add(player, respawnTime);
hud.PlayerDied(player);
}
}
}
