Create a new named scene
  * ''scene "name"''

Create a new named camera
  * ''camera "name" perspective fovyDegrees[float] zmin[float] zmax[float] eye[vec3] target[vec3] up[vec3]''

Create a new point light
  * ''light point position[vec3] size[float] energy[float]''
Or a new directional light
  * ''sun dirTo[vec3] energy[float]''
  * ''sun color[vec3]''
  * ''sun sizeMult[float]''

Custom tone mapping $\tfrac{5}{2}e^2\,, -12 \le e \le 12$
  * ''tonemap exposure[float]''

Lights
  * ''ssphhLight "name" E0[float] falloffRadius[float] position[vec3] orientation[quat] sph[maxDegree, float[maxDegree*(maxDegree+1)]]''
  * ''pointLight "name" E0[float] falloffRadius[float] position[vec3]''

Sphere
  * ''sphere position[vec3] radius[float] "material name"''

Materials
  * ''newmtl "material name"''
  * ''usemtl "material name"''
  * ''Ka color[vec3]'' ambient reflectivity
  * ''Kd color[vec3]'' diffuse reflectivity
  * ''Ks color[vec3]'' specular reflectivity
  * ''Tf color[vec3]'' transmission filter
  * ''illum model[int]'' illumination model [0 to 10]
  * ''d factor[float]'' dissolve factor
  * ''Ns exponent[float]'' specular exponent or shininess
  * ''Ni ior[float]'' index of refraction
  * ''map_Ka filename[string]''
  * ''map_Kd filename[string]''
  * ''map_Ks filename[string]''
  * ''map_Ns filename[string]''
  * ''map_d filename[string]''
  * ''disp filename[string]'' not used
  * ''bump filename[string]'' not used
  * ''decal filename[string]'' not used
  * ''normal filename[string]'' (V+(1,1,1))/2 encoded normal map
  * ''refl -type sphere filename[string]''
  * ''refl -type cyl filename[string]''
  * ''refl -type cube posx[string] negx[string] posy[string] negy[string] posz[string] negz[string]''
  * ''refl -type cube_top pos_y[string]''
  * ''refl -type cube_bottom neg_y[string]''
  * ''refl -type cube_front pos_z[string]''
  * ''refl -type cube_back neg_z[string]''
  * ''refl -type cube_left neg_x[string]''
  * ''refl -type cube_right pos_x[string]''
  * ''PBior indexOfRefraction[float]'' specular layer index of refraction
  * ''PBk   extinctionCoefficient[float]'' specular layer extinction coefficient (for metals)
  * ''PBKsm roughness[float]'' specular layer roughness
  * ''PBKdm roughness[float]'' diffuse layer roughness
  * ''PBillum model[int]'' Physically Based Rendering illumination model
    * 0 Physically Based Rendering mode
    * 1 Normals only (V+(1,1,1))/2
    * 2 Ka only
    * 3 Kd only
    * 4 Ks only
    * 5 ior only
    * 6 k only
    * 7 diffuse roughness only
    * 8 specular roughness only
    * 9 map_Ka only
    * 10 map_Kd only
    * 11 map_Ks only