axis spheres still aren't showing, but some obvious bugs were removed. still debugging

inc/body.hpp

@@ -4,6 +4,8 @@
 #include <glm/glm.hpp>
 #include "util.hpp"
 
+static uint shader;
+
 struct Body {
     glm::mat4 pose;
     float scale;
@@ -18,3 +20,4 @@ struct Body {
 
 bool load_body(Body* out_body, const char* obj_filepath);
 void draw_body(const Body& b);
+void create_new_sphere(Body* b, float scale=1.0f);