#define PHONG
  out vec3 vViewPosition;
#ifndef FLAT_SHADED
  out vec3 vNormal;
#endif

#include common
#include map_pars_vertex
#include lightmap_pars_vertex
#include envmap_pars_vertex
#include lights_phong_pars_vertex
#include color_pars_vertex
#include morphtarget_pars_vertex
#include skinning_pars_vertex
#include shadowmap_pars_vertex
#include logdepthbuf_pars_vertex

void main() {
  #include map_vertex
  #include lightmap_vertex
  #include color_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 morphtarget_vertex
  #include skinning_vertex
  #include default_vertex
  #include logdepthbuf_vertex

  vViewPosition = -mvPosition.xyz;

  #include worldpos_vertex
  #include envmap_vertex
  #include lights_phong_vertex
  #include shadowmap_vertex
}