void OcTree::AddSceneNodeRecursively(const std::shared_ptr<SceneNode> &sceneNode)
{
AddSceneNode(sceneNode);
for (unsigned int i = 0; i < sceneNode->GetChildCount(); i++)
AddSceneNode(sceneNode->GetChildAt(i));
}
void SpatialPartition::Update(SceneNode *sceneNode)
{
for (auto iter : m_gridList)
{
iter.second.RemoveSceneNode(sceneNode);
}
AddSceneNode(sceneNode);
}
void OcTree::AddSceneNode(const SceneNode::Ptr &sceneNode, const OcTreeNode::Ptr &treeNode, unsigned int depth)
{
BoxBounds treeBounds = treeNode->GetAABB();
BoxBounds nodeBounds = sceneNode->GetWorldAABB();
if ((depth < m_MaxDepth) && treeNode->IsTwiceSize(nodeBounds))
{
OcTreeNode::Ptr fitNode = treeNode->GetFitNode(nodeBounds);
AddSceneNode(sceneNode, fitNode, ++depth);
}
else
{
treeNode->AddSceneNode(sceneNode);
}
}
void SpatialPartition::AddSceneNode(SceneNode *sceneNode)
{
OrientedBoundingBox OBB = sceneNode->GetTransformedOBB(m_worldSceneNode);
float temp;
float min_x, max_x;
min_x = max_x = glm::dot(OBB.GetCentre() + OBB.GetFrontAxis() * OBB.GetLengths()[FRONT_AXIS][MIN_LENGTH] + OBB.GetUpAxis() * OBB.GetLengths()[UP_AXIS][MIN_LENGTH] + OBB.GetRightAxis() * OBB.GetLengths()[RIGHT_AXIS][MIN_LENGTH], glm::vec3(1, 0, 0));
for (int frontcount = MIN_LENGTH; frontcount <= MAX_LENGTH; ++frontcount)
for (int upcount = MIN_LENGTH; upcount <= MAX_LENGTH; ++upcount)
for (int rightcount = MIN_LENGTH; rightcount <= MAX_LENGTH; ++rightcount)
{
temp = max_x = glm::dot(OBB.GetCentre() + OBB.GetFrontAxis() * OBB.GetLengths()[FRONT_AXIS][frontcount] + OBB.GetUpAxis() * OBB.GetLengths()[UP_AXIS][upcount] + OBB.GetRightAxis() * OBB.GetLengths()[RIGHT_AXIS][rightcount], glm::vec3(1, 0, 0));
min_x = (min_x < temp) ? min_x : temp;
max_x = (max_x > temp) ? max_x : temp;
}
float min_z, max_z;
min_z = max_z = glm::dot(OBB.GetCentre() + OBB.GetFrontAxis() * OBB.GetLengths()[FRONT_AXIS][MIN_LENGTH] + OBB.GetUpAxis() * OBB.GetLengths()[UP_AXIS][MIN_LENGTH] + OBB.GetRightAxis() * OBB.GetLengths()[RIGHT_AXIS][MIN_LENGTH], glm::vec3(1, 0, 0));
for (int frontcount = MIN_LENGTH; frontcount <= MAX_LENGTH; ++frontcount)
for (int upcount = MIN_LENGTH; upcount <= MAX_LENGTH; ++upcount)
for (int rightcount = MIN_LENGTH; rightcount <= MAX_LENGTH; ++rightcount)
{
temp = max_z = glm::dot(OBB.GetCentre() + OBB.GetFrontAxis() * OBB.GetLengths()[FRONT_AXIS][frontcount] + OBB.GetUpAxis() * OBB.GetLengths()[UP_AXIS][upcount] + OBB.GetRightAxis() * OBB.GetLengths()[RIGHT_AXIS][rightcount], glm::vec3(0, 0, 1));
min_z = (min_z < temp) ? min_z : temp;
max_z = (max_z > temp) ? max_z : temp;
}
int _min_x = floor(min_x / m_gridSize_x);
int _max_x = floor(max_x / m_gridSize_x);
int _min_z = floor(min_z / m_gridSize_z);
int _max_z = floor(max_z / m_gridSize_z);
for (int xCount = _min_x; xCount <= _max_x; ++xCount)
for (int zCount = _min_z; zCount <= _max_z; ++zCount)
AddSceneNode(sceneNode, std::pair<int, int>(xCount, zCount));
}
GuiNode* GuiNode::AddGuiNode()
{
return (GuiNode*)AddSceneNode(new GuiNode(m_manager, this));
}
GuiContener* GuiNode::AddContener()
{
GuiContener *cont = new GuiContener(m_manager, this);
AddSceneNode(cont);
return cont;
}
GuiWindowNode* GuiNode::AddWindow()
{
GuiWindowNode *window = new GuiWindowNode(m_manager, this);
AddSceneNode(window);
return window;
}
SceneNode* SceneNode::AddSceneNode()
{
SceneNode* node = new SceneNode(m_manager, this);
return AddSceneNode(node);
}
void OcTree::UpdateSceneNode(const SceneNode::Ptr &sceneNode)
{
sceneNode->RemoveFromOcTree(false);
AddSceneNode(sceneNode);
}
void OcTree::AddSceneNode(const SceneNode::Ptr &sceneNode)
{
AddSceneNode(sceneNode, m_Root, 0);
}