AnnotationAxisSystem.h

#pragma once
 
#include "Systems/ComponentSystem.h"
 
#include "../Components/AnnotationAxisComponent.h"
 
#include "Resources/Resources.h"
 
namespace Cogs
{
  namespace Core
  {
    class Context;
 
    class AnnotationAxisSystem : public ComponentSystem<AnnotationAxisComponent>
    {
    public:
      AnnotationAxisSystem(Memory::Allocator * allocator, SizeType capacity) : ComponentSystem(allocator, capacity) {}
      ~AnnotationAxisSystem() {}
 
      void update(Context * context);
 
      void addAnnotations(const int level,
                          std::vector<int> & indexes,
                          const glm::mat4 & projectionMatrix,
                          const glm::vec2 & viewportSize,
                          const float gap,
                          const glm::vec3 * positions, int startIndex, int endIndex);
 
      float getScreenSpaceDistance(const glm::vec3 & p1, const glm::vec3 & p2, const glm::vec2 & viewportSize) const;
    };
  }
}