Fix for allowing vec3d as well as vec3f
Fix for allowing vec3d as well as vec3f

jeanleflambeur/silkopter,jeanleflambeur/silkopter,jeanleflambeur/silkopter,jeanleflambeur/silkopter,jeanleflambeur/silkopter,jeanleflambeur/silkopter,jeanleflambeur/silkopter