/// <summary>
/// Create a bounding volume hierarchy for the given mesh.
/// </summary>
/// <param name="mesh">The mesh to add the BVH to.</param>
/// <returns>The created BVH tree.</returns>
public static ITraceable CreateBVHData(this Mesh mesh, BvhCreationOptions bvhCreationOptions = BvhCreationOptions.LegacySlowConstructionFastTracing)
{
// test new BvHBuilderAac
// BvhBuilderAac.Create(mesh);
var allPolys = new List <ITraceable>();
mesh.AddTraceables(null, Matrix4X4.Identity, allPolys);
return(BoundingVolumeHierarchy.CreateNewHierachy(allPolys, bvhCreationOptions));
}
public static ITraceable CreateNewHierachy(List <ITraceable> tracePrimitives, BvhCreationOptions bvhCreationOptions = BvhCreationOptions.LegacySlowConstructionFastTracing)
{
ITraceable output = null;
using (new QuickTimer("LocalOrderClustering", 1))
{
//output = BvhBuilderLocallyOrderedClustering.Create(tracePrimitives);
//return output;
}
switch (bvhCreationOptions)
{
case BvhCreationOptions.LegacyFastConstructionSlowTracing:
using (new QuickTimer("LegacyFastConstructionSlowTracing", 1))
{
output = BvhBuilderBottomUp.Create(tracePrimitives, 0);
}
break;
case BvhCreationOptions.LegacySlowConstructionFastTracing:
using (new QuickTimer("LegacySlowConstructionFastTracing", 1))
{
output = BvhBuilderBottomUp.Create(tracePrimitives);
}
break;
case BvhCreationOptions.LocFastContructionFastTracing:
using (new QuickTimer("LocFastContructionFastTracing", 1))
{
output = BvhBuilderLocallyOrderedClustering.Create(tracePrimitives);
}
break;
default:
output = BvhBuilderBottomUp.Create(tracePrimitives);
break;
}
return(output);
}
public static ITraceable CreateTraceData(FaceList faceList, List <Vector3Float> vertexList, BvhCreationOptions bvhCreationOptions = BvhCreationOptions.FavorFastTracing)
{
var allPolys = new List <ITraceable>();
foreach (var face in faceList)
{
allPolys.Add(new TriangleShape(vertexList[face.v0], vertexList[face.v1], vertexList[face.v2], null));
}
return(BoundingVolumeHierarchy.CreateNewHierachy(allPolys, bvhCreationOptions));
}