#homework 0 derivative j

Display "hw0_ex.tiff" "tiff" "rgba"
Projection "perspective" "fov" 25
Format 800 400 1

WorldBegin
   LightSource "ambientlight" 1 "intensity" .2

#create backdrop
   TransformBegin
   Translate 0 0 200
   Color 0 0 .15
   Polygon "P" [100 100 0 100 -100 0 -100 -100 0 -100 100 0]
   TransformEnd

#create sun
   LightSource "distantlight" 2 "intensity" 1.5 "from" [0 0 -1] "to" [0 0 0]
   TransformBegin
   Translate -10 10 200
   Scale 5 5 5
   Color 1 1 0
   Surface "rsmetal" "Ka" .5 "Ks" .8 "roughness" .5
   Sphere 1 -1 1 360
   Scale 1.5 1.5 1.5
   Color 1 1 1
   Surface "trans" "Kt" .4 "Ka" 0 "Ks" .95 "Kd" .05 "roughness" .5
   Sphere 1 -1 1 360
   TransformEnd

#create planet
   LightSource "distantlight" 2 "intensity" 1.5 "from" [20 0 60] "to" [0 0 0]
   TransformBegin
   Translate -50 0 50
   Scale 40 40 40
   Color 1 .5 0
   Surface "rsmetal" "Ka" .5 "Ks" 1.0 "roughness" .2 
   Sphere 1 -1 1 360
   Color .5 .5 1.0
   Surface "trans" "Kt" .0001 "Ks" .3 "Kd" .1 "Ka" .05
   Scale 1.015 1.015 1.015
   Sphere 1 -1 1 360
   TransformEnd

#create ship
   LightSource "distantlight" 2 "intensity" 1.5 "from" [-20 10 40] "to" [0 0 0]
   TransformBegin
   Translate 10 -2 45
   Rotate 60 0 1 0
   Rotate -30 0 0 1
   Color 1 .5 0
   Surface "rsmetal" "Ka" .5 "Ks" .8 "roughness" .5 
   TransformBegin
   Translate 2.2 0 0
   Scale 2.5 .9 .9
   Sphere 1 -1 1 360
   TransformEnd
   Color 1 .5 0
   TransformBegin
   Translate -3 0 0
   scale 3 1 1
   Sphere 1 -1 1 360
   TransformEnd
   TransformBegin
   Translate 0 .75 0
   scale 3 1.5 1.5
   Sphere 1 -1 1 360
   TransformEnd
   TransformBegin
   Translate 0 -.75 0
   scale 3 1.5 1.5
   Sphere 1 -1 1 360
   TransformEnd
   TransformBegin
   Translate 0 0 .75
   Scale 3.0 1.5 1.5
   Sphere 1 -1 1 360
   TransformEnd
   TransformBegin
   Translate 0 0 -.75
   scale 3 1.5 1.5
   Sphere 1 -1 1 360
   TransformEnd
   TransformBegin
   Translate -5.5 0 0
   scale 3 1 1
   Sphere 1 -1 1 360
   TransformEnd
   TransformBegin
   Translate -8.5 0 0
   scale 3 2 2
   Sphere 1 -1 1 360
   TransformEnd
#create ship rockets
   Color .45 .45 .5
   TransformBegin
   Translate 2.5 1.5 0
   Rotate 90 0 1 0
   Scale 1 1 2
   Cylinder .65 -1 1 360
   TransformEnd
   TransformBegin
   Translate 2.5 -1.5 0
   Rotate 90 0 1 0
   Scale 1 1 2
   Cylinder .65 -1 1 360
   TransformEnd
   TransformBegin
   Translate 2.5 0 1.5
   Rotate 90 0 1 0
   Scale 1 1 2
   Cylinder .65 -1 1 360
   TransformEnd
   TransformBegin
   Translate 2.5 0 -1.5
   Rotate 90 0 1 0
   Scale 1 1 2
   Cylinder .65 -1 1 360
   TransformEnd
   TransformEnd
WorldEnd