text: export default /* glsl */`
  #define PHONG
  
  varying vec3 vViewPosition;
  
  #ifndef FLAT_SHADED
  
  	varying vec3 vNormal;
  
  #endif
  
  #include <common>
  #include <uv_pars_vertex>
  #include <uv2_pars_vertex>
  #include <displacementmap_pars_vertex>
  #include <envmap_pars_vertex>
  #include <color_pars_vertex>
  #include <fog_pars_vertex>
  #include <morphtarget_pars_vertex>
  #include <skinning_pars_vertex>
  #include <shadowmap_pars_vertex>
  #include <logdepthbuf_pars_vertex>
  #include <clipping_planes_pars_vertex>
  
  void main() {
  
  	#include <uv_vertex>
  	#include <uv2_vertex>
  	#include <color_vertex>
  
  	#include <beginnormal_vertex>
  	#include <morphnormal_vertex>
  	#include <skinbase_vertex>
  	#include <skinnormal_vertex>
  	#include <defaultnormal_vertex>
  
  #ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED
  
  	vNormal = normalize( transformedNormal );
  
  #endif
  
  	#include <begin_vertex>
  	#include <morphtarget_vertex>
  	#include <skinning_vertex>
  	#include <displacementmap_vertex>
  	#include <project_vertex>
  	#include <logdepthbuf_vertex>
  	#include <clipping_planes_vertex>
  
  	vViewPosition = - mvPosition.xyz;
  
  	#include <worldpos_vertex>
  	#include <envmap_vertex>
  	#include <shadowmap_vertex>
  	#include <fog_vertex>
  
  }
  `;
  