TrajectoryCrossSectionsSystem.h

#pragma once
 
#include "Systems/ComponentSystem.h"
#include "Resources/VertexFormats.h"
 
#include "TrajectoryCrossSectionsComponent.h"
 
#include "Foundation/Geometry/BoundingBox.hpp"
 
namespace Cogs
{
  namespace Core
  {
    class Context;
 
    struct TrajectoryCrossSectionsData
    {
      Geometry::BoundingBox  boundingBox; 
      Geometry::BoundingBox  trajectoryBoundingBox; 
      float                  startMeasuredDepth = 0.f;
      float                  stopMeasuredDepth = 1.f;
      int                    index0 = 0; 
      int                    index1 = 0; 
      int                    rings = 0;  
      int                    samples = 0; 
      bool                   generate = false; 
      //std::vector<uint8_t>   currInclude;  ///< True for each index to include (size()=rings).
      //std::vector<uint8_t>   prevInclude;  ///< Copy from previous iteration, used to determine if geometry must be regenerated.
    };
 
    class TrajectoryCrossSectionsSystem
      : public ComponentSystemWithDataPool<TrajectoryCrossSectionsComponent, TrajectoryCrossSectionsData>
    {
    public:
      TrajectoryCrossSectionsSystem(Memory::Allocator * allocator, SizeType capacity) : ComponentSystemWithDataPool(allocator, capacity) {}
 
      void update(Context* context);
 
    private:
      glm::vec2                                 currentViewport; 
      std::vector<glm::vec2>                    positionsScreen; 
      std::vector<glm::ivec2>                   ranges;          
    };
  } // of namespace Core
} // of namespace Cogs