src/model/OutlineModel.hpp

   1 #ifndef BLANK_MODEL_OUTLINEMODEL_HPP_
   2 #define BLANK_MODEL_OUTLINEMODEL_HPP_
   3
   4 #include <vector>
   5 #include <GL/glew.h>
   6 #include <glm/glm.hpp>
   7
   8
   9 namespace blank {
  10
  11 class OutlineModel {
  12
  13 public:
  14         using Position = glm::vec3;
  15         using Color = glm::vec3;
  16         using Index = unsigned short;
  17
  18         using Positions = std::vector<Position>;
  19         using Colors = std::vector<Color>;
  20         using Indices = std::vector<Index>;
  21
  22 public:
  23         Positions vertices;
  24         Colors colors;
  25         Indices indices;
  26
  27 public:
  28         OutlineModel() noexcept;
  29         ~OutlineModel() noexcept;
  30
  31         OutlineModel(const OutlineModel &) = delete;
  32         OutlineModel &operator =(const OutlineModel &) = delete;
  33
  34         void Invalidate() noexcept { dirty = true; }
  35
  36         void Clear() noexcept;
  37         void Reserve(int vtx_count, int idx_count);
  38
  39         void Draw() noexcept;
  40
  41 private:
  42         void Update() noexcept;
  43
  44 private:
  45         enum Attribute {
  46                 ATTRIB_VERTEX,
  47                 ATTRIB_COLOR,
  48                 ATTRIB_INDEX,
  49                 ATTRIB_COUNT,
  50         };
  51
  52         GLuint va;
  53         GLuint handle[ATTRIB_COUNT];
  54         bool dirty;
  55
  56 };
  57
  58 }
  59
  60 #endif