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#ifndef KDTREE_H
#define KDTREE_H
#include "utils/sceneparser.h"
#include <queue>
#include <vector>
typedef struct {
glm::vec4 xmax;
glm::vec4 xmin;
glm::vec4 ymax;
glm::vec4 ymin;
glm::vec4 zmax;
glm::vec4 zmin;
glm::vec4 center;
} BoundingRegion;
typedef struct KdShape
{
RenderShapeData shape;
BoundingRegion region;
} KdShape;
class KdTree
{
public:
KdTree(int pDimension, float pSplitCoord);
bool empty;
int dimension;
float splitCoord;
std::vector<KdShape> shapesWithinBounds;
void insert(KdShape shape);
KdTree *leftChild;
KdTree *rightChild;
// todo: make basis a matrix
static BoundingRegion transformBoundingRegion(BoundingRegion region, glm::mat4 transformationMatrix, glm::vec3 basis=glm::vec3(1.0f, 1.0f, 1.0f));
};
const static BoundingRegion OBJECT_BOUNDS{
glm::vec4(.5f, 0.f, 0.f, 1.f),
glm::vec4(-.5f, 0.f, 0.f, 1.f),
glm::vec4(0.f, .5f, 0.f, 1.f),
glm::vec4(0.f, -.5f, 0.f, 1.f),
glm::vec4(0.f, 0.f, .5f, 1.f),
glm::vec4(0.f, 0.f, -.5f, 1.f),
glm::vec4(0.f, 0.f, 0.f, 1.f)
};
#endif // KDTREE_H
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