public void ObjectHitInfo(
ObjectRayHit hit,
ref ObjectHitInfo info
)
{
info.Normal = (hit.RayHit.Point - Sphere3ds[hit.SetObject.Index].Center).Normalized;
}
/// <summary>
/// Create an addtional data structure that contains information
/// about the hit that is not already part of the IntersectionRayHit.
/// </summary>
public ObjectHitInfo GetIntersectionRayHitInfo()
{
ObjectHitInfo hitInfo = new ObjectHitInfo();
SetObject.Set.ObjectHitInfo(this, ref hitInfo);
return(hitInfo);
}
public void ObjectHitInfo(ObjectRayHit hit, ref ObjectHitInfo hitInfo)
{
int oi = hit.SetObject.Index;
int[] fia = FirstIndexArray, via = VertexIndexArray;
var pa = PositionArray;
int fvi = fia[oi], fvc = fia[oi + 1] - fvi;
V3d[] va = new V3d[fvc], ea = new V3d[fvc];
V3d p = pa[via[fvi++]], p0 = p;
va[0] = p;
for (int fs = 1; fs < fvc; fs++)
{
var p1 = pa[via[fvi++]];
va[fs] = p1; ea[fs - 1] = p1 - p0;
p1 = p0;
}
ea[fvc - 1] = p - p0;
hitInfo.Points = va;
hitInfo.Edges = ea;
var faceNormals = FaceAttributeArray <V3d>(Property.Normals);
if (faceNormals != null)
{
hitInfo.Normal = faceNormals[oi];
}
else if (fvc > 2)
{
hitInfo.Normal = ea[0].Cross(ea[1]).Normalized;
}
}
public void ObjectHitInfo(
ObjectRayHit hit,
ref ObjectHitInfo hitInfo
)
{
// this never needs to be called
hit.SetObject.Set.ObjectHitInfo(hit, ref hitInfo);
}
public void ObjectHitInfo(
ObjectRayHit hit,
ref ObjectHitInfo info
)
{
List <V3d> pl = Position3dList;
int pi = hit.SetObject.Index * 3;
info.Points = new V3d[3] {
pl[pi], pl[pi + 1], pl[pi + 2]
};
V3d e01 = info.Points[1] - info.Points[0];
V3d e02 = info.Points[2] - info.Points[0];
info.Edges = new V3d[2] {
e01, e02
};
info.Normal = V3d.Cross(e01, e02).Normalized;
}
public void ObjectHitInfo(ObjectRayHit hit, ref ObjectHitInfo hitInfo)
{
// NO IDEA
}
public void ObjectHitInfo(ObjectRayHit hit, ref ObjectHitInfo hitInfo)
{
throw new NotImplementedException();
}
