feat(shape)!: add shape super class

inc/shape.hpp

@@ -0,0 +1,31 @@
+#ifndef SHAPE_HPP
+#define SHAPE_HPP
+
+#include <stddef.h>
+
+#include <mutex>
+
+#include "camera.hpp"
+#include "glm/fwd.hpp"
+
+class Shape
+{
+ protected:
+  glm::vec3 position;
+  Camera& cameraRef;
+
+  virtual void init() = 0;
+
+ public:
+  Shape(Camera& cameraRef, glm::vec3 position)
+      : position(position), cameraRef(cameraRef)
+  {
+  }
+
+  glm::vec3 getPosition() const { return position; }
+  Camera& getCamera() const { return cameraRef; }
+
+  virtual void render() = 0;
+};
+
+#endif