VoxelIntersection.h

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#ifndef VOXELINTERSECTION
#define VOXELINTERSECTION
 
#include "Context.h"
 
class VoxelIntersection {
public:
 
    VoxelIntersection(helios::Context *context);
 
    static int selfTest(int argc = 0, char **argv = nullptr);
 
    void calculatePrimitiveVoxelIntersection();
 
 
    void calculatePrimitiveVoxelIntersection(std::vector<uint> UUIDs);
 
    void disableMessages();
 
    void enableMessages();
 
 
    helios::vec3 linesIntersection(helios::vec3 line1_point, helios::vec3 line1_direction, helios::vec3 line2_point, helios::vec3 line2_direction);
 
 
    std::vector<uint> slicePrimitive(uint UUID, std::vector<helios::vec3> voxel_face_vertices, helios::WarningAggregator &warnings);
 
 
    std::vector<uint> slicePrimitivesUsingGrid(std::vector<uint> UUIDs, helios::vec3 grid_center, helios::vec3 grid_size, helios::int3 grid_divisions);
 
 
    std::vector<std::vector<uint>> getCellPrimitives();
 
 
    bool approxSame(float a, float b, float absTol, float relTol);
 
 
    bool approxSame(helios::vec3 a, helios::vec3 b, float absTol);
 
 
    helios::vec2 interpolate_texture_UV_to_slice_point(helios::vec3 p1, helios::vec2 uv1, helios::vec3 p2, helios::vec2 uv2, helios::vec3 ps);
 
private:
    helios::Context *context;
 
    bool printmessages;
 
    std::vector<std::vector<uint>> cell_primitives;
};
 
#endif