void FrustumCulling::CheckVoxels(const std::vector<TNode>& _nodes, uint32_t _nodePtr, std::vector<uint32_t>& _visibleNodes, FVEC3 _origin, int _depth)
{
TNode node = _nodes[_nodePtr];
uint32_t dim = std::pow(2, _depth);
if (!CheckCube(_origin.x, _origin.y, _origin.z, dim))
return;
if (node.IsLeaf()) // leaf
{
if (!node.IsNull())
_visibleNodes.push_back(_nodePtr);
}
else if (_depth < 0)
{
printf("depth < 0\n");
return;
}
else
{
for (int i = 0; i < 8; ++i)
{
int index = MortonOrder[i];
if (node.HasChildAtIndex(index))
{
FVEC3 nodepos = offset[index];
nodepos *= ((float)dim / 2.0f);
int depth = _depth;
CheckVoxels(_nodes, node.GetChildAddress(index), _visibleNodes, _origin + nodepos, --depth);
}
}
}
}
void FrustumCulling::CheckVoxels(const std::vector<GPU_Node>& _nodes, uint32_t _nodePtr, std::vector<uint32_t>& _visibleNodes, FVEC3 _origin)
{
GPU_Node node = _nodes[_nodePtr];
uint32_t dim = std::pow(2, node.level);
if (!CheckCube(_origin.x, _origin.y, _origin.z, dim))
return;
if (node.IsLeaf()) // leaf
{
if (node.HasData())
_visibleNodes.push_back(_nodePtr);
}
else
{
for (int i = 0; i < 8; ++i)
{
int index = MortonOrder[i];
if (node.HasChild(index))
{
FVEC3 nodepos = offset[index];
nodepos *= (dim * 0.5);
CheckVoxels(_nodes, node.GetChildAddress(index), _visibleNodes, _origin + nodepos);
}
}
}
}
/**
* SetCenter sets the image coordinates to the center of the image.
*
* @return PvlGroup* The pertinent data from the Camera class on
* the point. Ownership is passed to caller.
*/
PvlGroup * CameraPointInfo::SetCenter() {
if (CheckCube()) {
camera->SetImage(currentCube->Samples()/2, currentCube->Lines()/2);
return GetPointInfo();
}
return NULL;
}
/**
* SetGround sets a latitude, longitude grrund coordinate in the
* camera so data can be accessed.
*
* @param latitude A latitude coordinate in or almost in the
* cube
* @param longitude A longitude coordinate in or almost in the
* cube
*
* @return PvlGroup* The pertinent data from the Camera class on
* the point. Ownership is passed to caller.
*/
PvlGroup * CameraPointInfo::SetGround(const double latitude, const double longitude) {
if (CheckCube()) {
camera->SetUniversalGround(latitude, longitude);
return GetPointInfo();
}
return NULL;
}
/**
* SetImage sets a sample, line image coordinate in the camera
* so data can be accessed.
*
* @param sample A sample coordinate in or almost in the cube
* @param line A line coordinate in or almost in the cubei
*
* @return PvlGroup* The pertinent data from the Camera class on
* the point. Ownership is passed to caller.
*/
PvlGroup * CameraPointInfo::SetImage(double sample, double line) {
if (CheckCube()) {
camera->SetImage(sample, line);
return GetPointInfo();
}
return NULL;
}
/**
* SetLine sets the image coordinates to the center sample and the
* given line.
*
* @return PvlGroup* The pertinent data from the Camera class on
* the point. Ownership is passed to caller.
*/
PvlGroup * CameraPointInfo::SetLine(double line) {
if (CheckCube()) {
camera->SetImage(currentCube->Samples()/2, line);
return GetPointInfo();
}
return NULL;
}
/**
* SetSample sets the image coordinates to the center line and the
* given sample.
*
* @return PvlGroup* The pertinent data from the Camera class on
* the point. Ownership is passed to caller.
*/
PvlGroup * CameraPointInfo::SetSample(double sample) {
if (CheckCube()) {
camera->SetImage(sample, currentCube->Lines()/2);
return GetPointInfo();
}
return NULL;
}
/**
* SetImage sets a sample, line image coordinate in the camera
* so data can be accessed.
*
* @param sample A sample coordinate in or almost in the cube
* @param line A line coordinate in or almost in the cubei
*
* @return PvlGroup* The pertinent data from the Camera class on
* the point. Ownership is passed to caller.
*/
PvlGroup *CameraPointInfo::SetImage(const double sample, const double line,
const bool outside, const bool errors) {
if (CheckCube()) {
bool passed = m_camera->SetImage(sample, line);
return GetPointInfo(passed, outside, errors);
}
// Should never get here, error will be thrown in CheckCube()
return NULL;
}
/**
* SetGround sets a latitude, longitude grrund coordinate in the
* camera so data can be accessed.
*
* @param latitude A latitude coordinate in or almost in the
* cube
* @param longitude A longitude coordinate in or almost in the
* cube
*
* @return PvlGroup* The pertinent data from the Camera class on
* the point. Ownership is passed to caller.
*/
PvlGroup *CameraPointInfo::SetGround(const double latitude, const double longitude,
const bool outside, const bool errors) {
if (CheckCube()) {
bool passed = m_camera->SetUniversalGround(latitude, longitude);
return GetPointInfo(passed, outside, errors);
}
// Should never get here, error will be thrown in CheckCube()
return NULL;
}
/**
* SetCenter sets the image coordinates to the center of the image.
*
* @return PvlGroup* The pertinent data from the Camera class on
* the point. Ownership is passed to caller.
*/
PvlGroup *CameraPointInfo::SetCenter(const bool outside, const bool errors) {
if (CheckCube()) {
bool passed = m_camera->SetImage(m_currentCube->sampleCount() / 2.0,
m_currentCube->lineCount() / 2.0);
return GetPointInfo(passed, outside, errors);
}
// Should never get here, error will be thrown in CheckCube()
return NULL;
}
