public Quadtree_sec(int plevel, CollisionBox pbounds)
{
level = plevel;
bounds = pbounds;
objects = new List<Sprite>();
nodes = new Quadtree_sec[4];
}
public bool Intersect(CollisionBox a, CollisionBox b)
{
if (a.Max_X < b.Min_X || a.Min_X > b.Max_X)
return false;
if (a.Max_Y < b.Min_Y || a.Min_Y > b.Max_Y)
return false;
return true;
}
public Sprite(Scene scene, Vector2 position, Texture2D texture, Rectangle sourceRect, int timePerFrame, int numberOfFrames, bool isAnimated)
{
this.scene = scene;
this.isAnimated = isAnimated;
this.numberOfFrames = numberOfFrames;
this.position = position;
this.texture = texture;
this.timePerFrame = timePerFrame;
this.sourceRect = sourceRect;
this.origin.X = 0;
this.origin.Y = 0;
Velocity = new Vector2(0, 0);
blockFactory = new BlockFactory(scene.Game);
itemFactory = new ItemFactory(scene.Game);
enemyFactory = new EnemyFactory(scene.Game);
this.sounds = new SoundMachine(scene.Game);
// frameWidth = sourceRect.Width / numberOfFrames;
frameWidth = 16;
collisionBox = new CollisionBox(position.X, position.Y, 32, SourceRect.Height*2);
}
protected MarioSprite(Vector2 position, Texture2D texture, Rectangle sourceRect, int timePerFrame, int numberOfFrames)
{
this.numberOfFrames = numberOfFrames;
this.position = position;
this.texture = texture;
this.timePerFrame = timePerFrame;
this.sourceRect = sourceRect;
Direction = 1;
this.origin.X = 0;
// this.origin.Y = sourceRect.Height;
position.Y = position.Y - sourceRect.Height;
collisionBox = new CollisionBox(position.X, position.Y , 16, sourceRect.Height);
}
public BGSprite(Vector2 pos, Texture2D tex)
: base(pos, tex)
{
CollisionBox = new CollisionBox(pos.X, pos.Y, 0, 0);
}
/*
* Determine which node the object belongs to. -1 means
* object cannot completely fit within a child node and is part
* of the parent node
*/
private int GetIndex(CollisionBox pRect)
{
int index = -1;
float verticalMidpoint = bounds.X + (bounds.Width / 2);
float horizontalMidpoint = bounds.Y + (bounds.Height / 2);
// Object can completely fit within the top quadrants
bool topQuadrant = (pRect.Y < horizontalMidpoint && pRect.Y + pRect.Height < horizontalMidpoint);
// Object can completely fit within the bottom quadrants
bool bottomQuadrant = (pRect.Y > horizontalMidpoint);
// Object can completely fit within the left quadrants
if (pRect.X < verticalMidpoint && pRect.X + pRect.Width < verticalMidpoint)
{
if (topQuadrant)
{
index = 1;
}
else if (bottomQuadrant)
{
index = 2;
}
}
// Object can completely fit within the right quadrants
else if (pRect.X > verticalMidpoint)
{
if (topQuadrant)
{
index = 0;
}
else if (bottomQuadrant)
{
index = 3;
}
}
return index;
}
