+#ifndef BLANK_GRAPHICS_PRIMITIVEMESH_HPP_
+#define BLANK_GRAPHICS_PRIMITIVEMESH_HPP_
+
+#include "VertexArray.hpp"
+
+#include <vector>
+#include <GL/glew.h>
+#include <glm/glm.hpp>
+
+
+namespace blank {
+
+class PrimitiveMesh {
+
+public:
+ using Position = glm::vec3;
+ using Color = glm::vec4;
+ using Index = unsigned short;
+
+ using Positions = std::vector<Position>;
+ using Colors = std::vector<Color>;
+ using Indices = std::vector<Index>;
+
+ enum Attribute {
+ ATTRIB_VERTEX,
+ ATTRIB_COLOR,
+ ATTRIB_INDEX,
+ ATTRIB_COUNT,
+ };
+
+ struct Buffer {
+
+ Positions vertices;
+ Colors colors;
+ Indices indices;
+
+ void Clear() noexcept {
+ vertices.clear();
+ colors.clear();
+ indices.clear();
+ }
+
+ void Reserve(size_t p, size_t i) {
+ vertices.reserve(p);
+ colors.reserve(p);
+ indices.reserve(i);
+ }
+
+ void FillRect(
+ float w, float h,
+ const glm::vec4 &color = glm::vec4(0.0f),
+ const glm::vec2 &pivot = glm::vec2(0.0f)
+ );
+
+ };
+
+ using VAO = VertexArray<ATTRIB_COUNT>;
+
+public:
+ void Update(const Buffer &) noexcept;
+
+ void DrawLines() noexcept;
+ void DrawTriangles() noexcept;
+
+private:
+ VAO vao;
+
+};
+
+}
+
+#endif