grid.hpp

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#ifndef GLK_PRIMITIVES_GRID_HPP
#define GLK_PRIMITIVES_GRID_HPP
 
#include <vector>
#include <Eigen/Core>
 
namespace glk {
 
class Grid {
public:
  Grid(double half_extent = 5.0, double step = 1.0) {
    for (double x = -half_extent; x <= half_extent + 1e-9; x += step) {
      vertices.push_back(Eigen::Vector3f(x, -half_extent, 0.0f));
      vertices.push_back(Eigen::Vector3f(x, half_extent, 0.0f));
      vertices.push_back(Eigen::Vector3f(-half_extent, x, 0.0f));
      vertices.push_back(Eigen::Vector3f(half_extent, x, 0.0f));
    }
  }
 
public:
  std::vector<Eigen::Vector3f> vertices;
};
}  // namespace glk
 
#endif