Actually have a semi working world loader.

assets/shaders/test.vert

@@ -11,6 +11,6 @@ uniform mat4 u_Modl;
 out vec2 TexCoord;
 
 void main() {
-  gl_Position = u_Proj * u_View * u_Modl * gl_Vertex;
+  gl_Position = u_Proj * u_View * u_Modl * vec4(aPos, 1.0);
   TexCoord = vec2(aTexCoord.x, aTexCoord.y);
 }