pointnormals_buffer.hpp

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#ifndef GLK_POINT_NORMALS_BUFFER_HPP
#define GLK_POINT_NORMALS_BUFFER_HPP
 
#include <memory>
#include <Eigen/Dense>
#include <glk/drawable.hpp>
#include <glk/thin_lines.hpp>
 
namespace glk {
 
class PointNormalsBuffer : public glk::Drawable {
public:
  EIGEN_MAKE_ALIGNED_OPERATOR_NEW
  using Ptr = std::shared_ptr<PointNormalsBuffer>;
 
  PointNormalsBuffer(const float* vertices, size_t vertex_stride, const float* normals, size_t normal_stride, int num_points, double normal_length);
 
  template <template <class> class Allocator>
  PointNormalsBuffer(
    const std::vector<Eigen::Vector3f, Allocator<Eigen::Vector3f>>& vertices,
    const std::vector<Eigen::Vector3f, Allocator<Eigen::Vector3f>>& normals,
    double normal_length);
 
  virtual ~PointNormalsBuffer() override;
 
  virtual void draw(glk::GLSLShader& shader) const override;
 
private:
  std::unique_ptr<glk::ThinLines> normal_lines;
};
 
}  // namespace glk
 
#endif