fs2open.github.com/code/graphics/debug_sphere.h

#pragma once

#include "globalincs/pstypes.h"
#include "globalincs/vmallocator.h"
class debug_sphere {
  public:
	static void add(const vec3d& pos, float radius);
	static void render();
	debug_sphere(const vec3d& pos, float radius);

  private:
	static SCP_vector<debug_sphere> Spheres;
	static void clear();
	vec3d pos;
	float radius;
};