/// <summary>
/// </summary>
/// <param name="creationFunc">
/// </param>
/// <param name="maxBlockCapacity">
/// </param>
/// <param name="maxDepth">
/// </param>
public Octree(Action <T, OctreeBlock <T> > creationFunc, int maxBlockCapacity = 64, int maxDepth = 2)
{
this.maxDepth = maxDepth;
this._maxBlockCapacity = maxBlockCapacity;
this._selectionContent = new SmartArray <T>(1024);
this._creationFunc = creationFunc;
}
/// <summary>
/// </summary>
/// <param name="frustumPlanes">
/// </param>
/// <param name="selection">
/// </param>
/// <param name="allowDuplicate">
/// </param>
public virtual void select(Array <Plane> frustumPlanes, SmartArray <T> selection, bool allowDuplicate = false)
{
if (BoundingBox.IsInFrustum(this._boundingVectors, frustumPlanes))
{
if (this.blocks != null)
{
for (var index = 0; index < this.blocks.Length; index++)
{
var block = this.blocks[index];
block.select(frustumPlanes, selection, allowDuplicate);
}
return;
}
if (allowDuplicate)
{
selection.Append(this.entries);
}
else
{
selection.concatWithNoDuplicate(this.entries);
}
}
}
/// <summary>
/// </summary>
/// <param name="sphereCenter">
/// </param>
/// <param name="sphereRadius">
/// </param>
/// <param name="selection">
/// </param>
/// <param name="allowDuplicate">
/// </param>
public virtual void intersects(Vector3 sphereCenter, double sphereRadius, SmartArray <T> selection, bool allowDuplicate = false)
{
if (BoundingBox.IntersectsSphere(this._minPoint, this._maxPoint, sphereCenter, sphereRadius))
{
if (this.blocks != null)
{
for (var index = 0; index < this.blocks.Length; index++)
{
var block = this.blocks[index];
block.intersects(sphereCenter, sphereRadius, selection, allowDuplicate);
}
return;
}
if (allowDuplicate)
{
selection.Append(this.entries);
}
else
{
selection.concatWithNoDuplicate(this.entries);
}
}
}
/// <summary>
/// </summary>
/// <param name="ray">
/// </param>
/// <param name="selection">
/// </param>
public virtual void intersectsRay(Ray ray, SmartArray <T> selection)
{
if (ray.intersectsBoxMinMax(this._minPoint, this._maxPoint))
{
if (this.blocks != null)
{
for (var index = 0; index < this.blocks.Length; index++)
{
var block = this.blocks[index];
block.intersectsRay(ray, selection);
}
return;
}
selection.concatWithNoDuplicate(this.entries);
}
}
