public bool Intersects(_collider o)
{
if (o is CAABB)
{
return(aabb.Intersects((o as CAABB).aabb));
}
return(false);
}
internal static void Check(_collider a, _collider b)
{
if (a.Intersects(b))
{
a.Parent().OnCollision(b.Parent());
b.Parent().OnCollision(a.Parent());
}
}
//see in what child batch it should go
public void Choose(_collider col)
{
for(int i = 0; i < 2; i++)
for(int j = 0; j < 2; j++)
{
if (col.Minmax().Intersects(childs[i, j].cbound.Minmax()))
childs[i, j].Add(col);
}
}
internal void Add(_collider o, bool isStatic = false)
{
if (o == null) return;
if (isStatic) {
statics.Add(o);
staticTree.Clear();
for (int i = 0; i < statics.Count; i++)
staticTree.Add(statics[i]);
staticTree.Build();
}
else dynamics.Add(o);
}
//run objects through the batches down
public void CheckOther(_collider col)
{
if (!cbound.Intersects(col))
{
return;
}
if(childs == null)
{
for(int i = 0; i < colliders.Count; i++)
CollisionMath.Check(colliders[i], col);
}
else
{
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
childs[i, j].CheckOther(col);
}
}
public void Add(_collider col)
{
if (col == null) return;
cols.Add(col);
AABB added = col.Minmax();
AABB old = new AABB(minmax);
//find outerbound to cut
float minx = Math.Min(added.x, old.x);
float miny = Math.Min(added.y, old.y);
float maxx = Math.Max(added.x + added.w, old.x + old.w);
float maxy = Math.Max(added.y + added.h, old.y + old.h);
minmax.x = minx;
minmax.y = miny;
minmax.w = maxx - minx;
minmax.h = maxy - miny;
root.MakeBound(minmax);
counter++;
}
//add a collider to this batch and see if it needs splitting
public void Add(_collider element)
{
if (counter < 10 || depth >= 7)
{
colliders.Add(element);
counter++;
}
else if (childs == null)
{
childs = new Node[2, 2];
AABB[,] splits = Split();
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
childs[i, j] = new Node(this, splits[i, j], depth + 1);
Choose(element);
for (int i = 0; i < colliders.Count; i++)
Choose(colliders[i]);
colliders.Clear();
}
else
Choose(element);
}
public void AddComponent(Component com, string name = "")
{
com.gameObject = this;
com.Init();
if (com is Renderer)
{
renderer = com as Renderer;
}
else if (com is _collider)
{
collider = com as _collider;
context.collision.Add(collider, isStatic);
}
else
{
if (name == "")
{
name = MathH.random.NextDouble().ToString();
}
components.Add(name, com);
comparray = new Component[components.Count];
components.Values.CopyTo(comparray, 0);
}
}
set => SetProperty(ref _collider, value);
