public static BoundingBox BoundingToBox(Bounding.Chain a)
{
if (a.Shallow)
{
return(BoundingToBox(a.Boundings[0]));
}
return(BoundingToBox(a.Boundings[a.Boundings.Length - 1]));
}
/*static bool IntersectHelper(object a, object b, out object i)
* {
* i = null;
* if (a is BoundingChain) return Intersect((BoundingChain)a, b, out i);
* else if (b is BoundingChain) return Intersect((BoundingChain)b, a, out i);
*
* else if (a is BoundingBox)
* {
* if (a is BoundingBox && b is BoundingBox) return Intersect((BoundingBox)a, (BoundingBox)b, out i);
* if (b is Ray) return Intersect((BoundingBox)a, (Ray)b, out i);
* else if (b is Vector3) return Intersect((BoundingBox)a, (Vector3)b, out i);
* else if (b is Vector2) return Intersect((BoundingBox)a, (Vector2)b, out i);
* else if (b is Bounding.Cylinder) return Intersect((BoundingBox)a, (Bounding.Cylinder)b, out i);
* }
* else if (b is BoundingBox)
* {
* if (a is Ray) return Intersect((BoundingBox)b, (Ray)a, out i);
* else if (a is Vector3) return Intersect((BoundingBox)b, (Vector3)a, out i);
* else if (a is Vector2) return Intersect((BoundingBox)b, (Vector2)a, out i);
* else if (a is Bounding.Cylinder) return Intersect((BoundingBox)b, (Bounding.Cylinder)a, out i);
* }
*
* else if (a is BoundingSphere)
* {
* if (b is Vector3) return Intersect((BoundingSphere)a, (Vector3)b, out i);
* else if (b is Ray) return Intersect((BoundingSphere)a, (Ray)b, out i);
* }
* else if (b is BoundingSphere)
* {
* if (a is Vector3) return Intersect((BoundingSphere)b, (Vector3)a, out i);
* else if (a is Ray) return Intersect((BoundingSphere)b, (Ray)a, out i);
* }
*
* else if (a is Bounding.Cylinder)
* {
* if (b is Vector3) return Intersect((Bounding.Cylinder)a, (Vector3)b, out i);
* else if (b is Vector2) return Intersect((Bounding.Cylinder)a, (Vector2)b, out i);
* else if (b is Bounding.Cylinder) return Intersect((Bounding.Cylinder)a, (Bounding.Cylinder)b, out i);
* }
* else if (b is Bounding.Cylinder)
* {
* if (a is Vector3) return Intersect((Bounding.Cylinder)b, (Vector3)a, out i);
* else if (a is Vector2) return Intersect((Bounding.Cylinder)b, (Vector2)a, out i);
* }
*
* else if (a is Bounding.Frustum)
* {
* if (b is Vector3) return Intersect((Bounding.Frustum)a, (Vector3)b, out i);
* else if (b is Vector2) return Intersect((Bounding.Frustum)a, (Vector2)b, out i);
* else if (b is BoundingBox) return Intersect((Bounding.Frustum)a, (BoundingBox)b, out i);
* }
* else if (b is Bounding.Frustum)
* {
* if (a is Vector3) return Intersect((Bounding.Frustum)b, (Vector3)a, out i);
* else if (a is Vector2) return Intersect((Bounding.Frustum)b, (Vector2)a, out i);
* else if (a is BoundingBox) return Intersect((Bounding.Frustum)b, (BoundingBox)a, out i);
* }
*
* else if (a is Plane && b is Ray) return Intersect((Plane)a, (Ray)b, out i);
* else if (b is Plane && a is Ray) return Intersect((Plane)b, (Ray)a, out i);
*
*
* else if (a is Vector3 && b is Ray) return Intersect((Vector3)a, (Ray)b, out i);
* else if (b is Vector3 && a is Ray) return Intersect((Vector3)b, (Ray)a, out i);
*
* else return intersectors.Dispatch(a, b)(a, b, out i);
*
* return false;
* }*/
// ----------------------------------------------------------------------------------------------
// -- Chain -------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------------
public static bool Intersect(Bounding.Chain a, object b, out object intersection)
{
intersection = null;
foreach (object o in a.Boundings)
{
if (!Intersect(o, b, out intersection))
{
return(false);
}
}
return(true);
}
public static Bounding.Chain Transform(Bounding.Chain bounding, Matrix transformation)
{
Bounding.Chain b = new Common.Bounding.Chain {
Shallow = bounding.Shallow,
Boundings = new object[bounding.Boundings.Length]
};
for (int i = 0; i < b.Boundings.Length; i++)
{
b.Boundings[i] = Transform(bounding.Boundings[i], transformation);
}
return(b);
}
public static bool ChainRayIntersect(Bounding.Chain a, Ray b, float maxDistance, out RayIntersection intersection)
{
intersection = null;
foreach (object o in a.Boundings)
{
if (!Intersect(o, b, out intersection))
{
return(false);
}
else if (intersection.Distance > maxDistance)
{
return(false);
}
}
return(true);
}
// ----------------------------------------------------------------------------------------------
// -- Chain -------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------------
public static RSpatialRelation Relation(Bounding.Chain a, object b)
{
if (a.Shallow)
{
return(Relation(a.Boundings[0], b));
}
RSpatialRelation rel = RSpatialRelation.Outside;
foreach (object o in a.Boundings)
{
rel = Relation(o, b);
if (rel == RSpatialRelation.Outside)
{
return(RSpatialRelation.Outside);
}
else if (rel == RSpatialRelation.AInsideB)
{
return(RSpatialRelation.AInsideB);
}
}
return(rel);
}
public static float Radius(Bounding.Chain bounding)
{
return(Radius(bounding.Boundings[0]));
}
public static Vector3 Translation(Bounding.Chain bounding)
{
return(Translation(bounding.Boundings[bounding.Boundings.Length - 1]));
}