private void BuildLookupTable()
{
// Compute center and radius of the sphere where points are sampled.
float polyhedronRadius;
Vector3F center;
GeometryHelper.ComputeBoundingSphere(_vertices, out polyhedronRadius, out center);
float radius = polyhedronRadius * RadiusFactor;
// Create directional lookup table. (The poles are excluded.)
_directionLookupTable = new DirectionalLookupTableUInt16F(LookupTableWidth);
// Sample points on the sphere and determine the indices of the closest vertices on the
// convex polyhedron. The indices of the closest vertices are the entries in the lookup
// table.
foreach (Vector3F direction in _directionLookupTable.GetSampleDirections())
{
direction.Normalize();
Vector3F samplePoint = direction * radius;
_directionLookupTable[direction] = GetClosestVertex(samplePoint);
}
}
private void BuildLookupTable()
{
// Compute center and radius of the sphere where points are sampled.
float polyhedronRadius;
Vector3F center;
GeometryHelper.ComputeBoundingSphere(_vertices, out polyhedronRadius, out center);
float radius = polyhedronRadius * RadiusFactor;
// Create directional lookup table. (The poles are excluded.)
_directionLookupTable = new DirectionalLookupTableUInt16F(LookupTableWidth);
// Sample points on the sphere and determine the indices of the closest vertices on the
// convex polyhedron. The indices of the closest vertices are the entries in the lookup
// table.
foreach (Vector3F direction in _directionLookupTable.GetSampleDirections())
{
direction.Normalize();
Vector3F samplePoint = direction * radius;
_directionLookupTable[direction] = GetClosestVertex(samplePoint);
}
}
