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Starting to work on the World Optimiser sequence.

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Godzil
2020-03-11 09:09:30 +00:00
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# ======================================================
# orrery.yml
#
# This file describes the title image for the "Texture
# Mapping" bonus chapter at:
#
# http://www.raytracerchallenge.com/bonus/texture-mapping.html
#
# It requires several additional resources, provided as a
# separate download. The resources were found on the following
# sites:
#
# * https://www.bittbox.com/freebies/free-hi-resolution-wood-textures
# : the wooden texture for the table
# * https://astrogeology.usgs.gov/search/map/Mercury/Messenger/Global/Mercury_MESSENGER_MDIS_Basemap_LOI_Mosaic_Global_166m
# : the map of Mercury
# * http://planetpixelemporium.com/planets.html
# : maps of Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
# * https://hdrihaven.com/hdri/?c=indoor&h=artist_workshop
# : the "artist workshop" environment map
#
# by Jamis Buck <jamis@jamisbuck.org>
# ======================================================
- add: camera
width: 800
height: 400
field-of-view: 1.2
from: [ 2, 4, -10]
to: [ -1, -1, 0 ]
up: [ 0, 1, 0 ]
# The scene as shown in the bonus chapter is rendered using an area light,
# precisely as described in the "Rendering soft shadows" bonus chapter,
# here: http://www.raytracerchallenge.com/bonus/area-light.html
#
# if you haven't implemented area lights, you can replace this with a point
# light located at [0, 2.5, -10].
- add: light
corner: [-5, 0, -10 ]
uvec: [ 10, 0, 0 ]
vvec: [ 0, 5, 0 ]
usteps: 10
vsteps: 5
jitter: true
intensity: [ 1, 1, 1 ]
# -------------------------------------------
# some common textures
# -------------------------------------------
- define: GOLD
value:
color: [ 1, 0.8, 0.1 ]
ambient: 0.1
diffuse: 0.6
specular: 0.3
shininess: 15
- define: SILVER
value:
color: [ 1, 1, 1 ]
ambient: 0.1
diffuse: 0.7
specular: 0.3
shininess: 15
# -----------------------------------------------
# CSG definition for the gears used to construct
# the orrery.
#
# NOTCH is a helper object used to create the
# teeth for the gears.
#
# GEAR is the actual gear object itself.
# -----------------------------------------------
- define: NOTCH
value:
add: csg
operation: difference
left:
type: cube
transform:
- [ scale, 1, 0.25, 1 ]
- [ translate, 1, 0, 1 ]
- [ rotate-y, 0.7854 ]
- [ scale, 1, 1, 0.1 ]
right:
type: cylinder
min: -0.26
max: 0.26
closed: true
transform:
- [ scale, 0.8, 1, 0.8 ]
- define: GEAR
value:
add: csg
operation: difference
left:
type: cylinder
min: -0.025
max: 0.025
closed: true
right:
type: group
children:
# center hole
- add: cylinder
min: -0.06
max: 0.06
closed: true
transform:
- [ scale, 0.1, 1, 0.1 ]
# crescents
- add: csg
operation: difference
left:
type: cylinder
min: -0.06
max: 0.06
closed: true
transform:
- [ scale, 0.7, 1, 0.7 ]
right:
type: cube
transform:
- [ scale, 1, 0.1, 0.2 ]
# teeth
- add: NOTCH
- add: NOTCH
transform:
- [ rotate-y, 0.31415 ]
- add: NOTCH
transform:
- [ rotate-y, 0.6283 ]
- add: NOTCH
transform:
- [ rotate-y, 0.94245 ]
- add: NOTCH
transform:
- [ rotate-y, 1.2566 ]
- add: NOTCH
transform:
- [ rotate-y, 1.57075 ]
- add: NOTCH
transform:
- [ rotate-y, 1.8849 ]
- add: NOTCH
transform:
- [ rotate-y, 2.19905 ]
- add: NOTCH
transform:
- [ rotate-y, 2.5132 ]
- add: NOTCH
transform:
- [ rotate-y, 2.82735 ]
- add: NOTCH
transform:
- [ rotate-y, 3.1415 ]
- add: NOTCH
transform:
- [ rotate-y, -0.31415 ]
- add: NOTCH
transform:
- [ rotate-y, -0.6283 ]
- add: NOTCH
transform:
- [ rotate-y, -0.94245 ]
- add: NOTCH
transform:
- [ rotate-y, -1.2566 ]
- add: NOTCH
transform:
- [ rotate-y, -1.57075 ]
- add: NOTCH
transform:
- [ rotate-y, -1.8849 ]
- add: NOTCH
transform:
- [ rotate-y, -2.19905 ]
- add: NOTCH
transform:
- [ rotate-y, -2.5132 ]
- add: NOTCH
transform:
- [ rotate-y, -2.82735 ]
# mechanism: top plate
- add: csg
operation: difference
material: GOLD
transform:
- [ rotate-y, -1 ]
left:
type: cylinder
min: -1.51
max: -1.5
closed: true
right:
type: group
children:
- add: cylinder
min: -1.52
max: -1.49
closed: true
transform:
- [ scale, 0.1, 1, 0.1 ]
- add: csg
operation: difference
left:
type: cylinder
min: -1.52
max: -1.49
closed: true
transform:
- [ scale, 0.75, 1, 0.75 ]
right:
type: cube
transform:
- [ scale, 1, 0.1, 0.2 ]
- [ translate, 0, -1.5, 0 ]
# mechanism: gear
- add: GEAR
material: SILVER
transform:
- [ scale, 0.5, 0.5, 0.5 ]
- [ translate, 0.4, -1.45, -0.4 ]
# mechanism: gear
- add: GEAR
material: SILVER
transform:
- [ rotate-y, 0.8 ]
- [ scale, 0.4, 0.4, 0.4 ]
- [ translate, -0.4, -1.45, 0.2 ]
# sun
- add: group
children:
- add: sphere
shadow: false
material:
color: [1, 1, 0]
ambient: 0.1
diffuse: 0.6
specular: 0 # count on the skybox reflection being the specular highlight
reflective: 0.2
- add: group
material: GOLD
children:
- add: cylinder
min: -4
max: -0.5
transform:
- [ scale, 0.025, 1, 0.025 ]
# base
- add: sphere
transform:
- [ translate, 0, -4, 0 ]
material:
pattern:
type: map
mapping: spherical
uv_pattern:
type: checkers
width: 16
height: 8
colors:
- [ 0, 0, 0 ]
- [ 0.5, 0.5, 0.5 ]
diffuse: 0.6
specular: 0 # count on the skybox reflection being the specular highlight
ambient: 0.1
reflective: 0.2
# table
- add: cube
transform:
- [ scale, 5, 0.1, 5 ]
- [ translate, 0, -4, 0 ]
material:
diffuse: 0.9
ambient: 0.1
specular: 0
pattern:
type: map
mapping: planar
uv_pattern:
type: image
file: res/wood.ppm
transform:
- [ scale, 0.5, 0.5, 0.5 ]
# mechanism: gear-plate between top & mercury
- add: GEAR
material: SILVER
transform:
- [ rotate-y, -0.4 ]
- [ scale, 0.9, 0.9, 0.9 ]
- [ translate, 0, -1.75, 0 ]
# mercury
- add: group
transform:
- [ translate, 2, 0, 0 ]
- [ rotate-y, 0.7 ]
children:
- add: sphere
transform:
- [ scale, 0.25, 0.25, 0.25 ]
material:
pattern:
type: map
mapping: spherical
uv_pattern:
type: image
file: res/mercury-small.ppm
- add: group
material: GOLD
children:
- add: cylinder
min: -2
max: 0
transform:
- [ scale, 0.025, 1, 0.025 ]
- add: sphere
transform:
- [ scale, 0.025, 0.025, 0.025 ]
- [ translate, 0, -2, 0 ]
- add: cylinder
min: 0
max: 2
transform:
- [ scale, 0.025, 1, 0.025 ]
- [ rotate-z, 1.5708 ]
- [ translate, 0, -2, 0 ]
# mechanism: gear-plate between mercury & venus
- add: GEAR
material: SILVER
transform:
- [ rotate-y, 1.3 ]
- [ translate, 0, -2.05, 0 ]
# venus
- add: group
transform:
- [ translate, 3, 0, 0 ]
- [ rotate-y, 0.3 ]
children:
- add: sphere
transform:
- [ scale, 0.25, 0.25, 0.25 ]
material:
color: [ 1, 1, 0.8 ]
- add: group
material: GOLD
children:
- add: cylinder
min: -2.1
max: 0
transform:
- [ scale, 0.025, 1, 0.025 ]
- add: sphere
transform:
- [ scale, 0.025, 0.025, 0.025 ]
- [ translate, 0, -2.1, 0 ]
- add: cylinder
min: 0
max: 3
transform:
- [ scale, 0.025, 1, 0.025 ]
- [ rotate-z, 1.5708 ]
- [ translate, 0, -2.1, 0 ]
# mechanism: gear-plate between venus & earth
- add: GEAR
material: SILVER
transform:
- [ scale, 0.9, 0.9, 0.9 ]
- [ rotate-y, -2.2 ]
- [ translate, 0, -2.15, 0 ]
# earth
- add: group
transform:
- [ translate, 4, 0, 0 ]
- [ rotate-y, 2 ]
children:
- add: sphere
transform:
- [ scale, 0.25, 0.25, 0.25 ]
material:
pattern:
type: map
mapping: spherical
uv_pattern:
type: image
file: res/earthmap-small.ppm
- add: group
material: GOLD
children:
- add: cylinder
min: -2.2
max: 0
transform:
- [ scale, 0.025, 1, 0.025 ]
- add: sphere
transform:
- [ scale, 0.025, 0.025, 0.025 ]
- [ translate, 0, -2.2, 0 ]
- add: cylinder
min: 0
max: 4
transform:
- [ scale, 0.025, 1, 0.025 ]
- [ rotate-z, 1.5708 ]
- [ translate, 0, -2.2, 0 ]
# mechanism: gear-plate between earth & mars
- add: GEAR
material: SILVER
transform:
- [ scale, 0.8, 0.8, 0.8 ]
- [ rotate-y, 1.7 ]
- [ translate, 0, -2.25, 0 ]
# mars
- add: group
transform:
- [ translate, 5, 0, 0 ]
- [ rotate-y, -2 ]
children:
- add: sphere
transform:
- [ scale, 0.25, 0.25, 0.25 ]
material:
pattern:
type: map
mapping: spherical
uv_pattern:
type: image
file: res/mars-small.ppm
- add: group
material: GOLD
children:
- add: cylinder
min: -2.3
max: 0
transform:
- [ scale, 0.025, 1, 0.025 ]
- add: sphere
transform:
- [ scale, 0.025, 0.025, 0.025 ]
- [ translate, 0, -2.3, 0 ]
- add: cylinder
min: 0
max: 5
transform:
- [ scale, 0.025, 1, 0.025 ]
- [ rotate-z, 1.5708 ]
- [ translate, 0, -2.3, 0 ]
# mechanism: gear-plate between mars & jupiter
- add: GEAR
material: SILVER
transform:
- [ rotate-y, -0.9 ]
- [ translate, 0, -2.35, 0 ]
# jupiter
- add: group
transform:
- [ translate, 6.5, 0, 0 ]
- [ rotate-y, -0.75 ]
children:
- add: sphere
transform:
- [ scale, 0.67, 0.67, 0.67 ]
material:
pattern:
type: map
mapping: spherical
uv_pattern:
type: image
file: res/jupitermap-small.ppm
- add: group
material: GOLD
children:
- add: cylinder
min: -2.4
max: 0
transform:
- [ scale, 0.025, 1, 0.025 ]
- add: sphere
transform:
- [ scale, 0.025, 0.025, 0.025 ]
- [ translate, 0, -2.4, 0 ]
- add: cylinder
min: 0
max: 6.5
transform:
- [ scale, 0.025, 1, 0.025 ]
- [ rotate-z, 1.5708 ]
- [ translate, 0, -2.4, 0 ]
# mechanism: gear-plate between jupiter & saturn
- add: GEAR
material: SILVER
transform:
- [ scale, 0.95, 0.95, 0.95 ]
- [ rotate-y, -1.1 ]
- [ translate, 0, -2.45, 0 ]
# saturn
- add: group
transform:
- [ translate, 8, 0, 0 ]
- [ rotate-y, -2.5 ]
children:
- add: sphere
transform:
- [ scale, 0.5, 0.5, 0.5 ]
material:
pattern:
type: map
mapping: spherical
uv_pattern:
type: image
file: res/saturnmap-small.ppm
# rings
- add: csg
operation: difference
transform:
- [ rotate-z, 0.2 ]
material:
pattern:
type: rings
colors:
- [ 1, 1, 0.5 ]
- [ 1, 1, 0 ]
transform:
- [ scale, 0.05, 1, 0.05 ]
left:
type: cylinder
min: -0.01
max: 0.01
closed: true
transform:
- [ scale, 1.2, 1, 1.2 ]
right:
type: cylinder
min: -0.02
max: 0.02
closed: true
transform:
- [ scale, 0.75, 1, 0.75 ]
- add: group
material: GOLD
children:
- add: cylinder
min: -2.5
max: 0
transform:
- [ scale, 0.025, 1, 0.025 ]
- add: sphere
transform:
- [ scale, 0.025, 0.025, 0.025 ]
- [ translate, 0, -2.5, 0 ]
- add: cylinder
min: 0
max: 8
transform:
- [ scale, 0.025, 1, 0.025 ]
- [ rotate-z, 1.5708 ]
- [ translate, 0, -2.5, 0 ]
# mechanism: gear-plate between saturn & uranus
- add: GEAR
material: SILVER
transform:
- [ scale, 0.9, 0.9, 0.9 ]
- [ rotate-y, 1 ]
- [ translate, 0, -2.55, 0 ]
# uranus
- add: group
transform:
- [ translate, 9, 0, 0 ]
- [ rotate-y, -3 ]
children:
- add: sphere
transform:
- [ scale, 0.4, 0.4, 0.4 ]
material:
pattern:
type: map
mapping: spherical
uv_pattern:
type: image
file: res/uranusmap-small.ppm
- add: group
material: GOLD
children:
- add: cylinder
min: -2.6
max: 0
transform:
- [ scale, 0.025, 1, 0.025 ]
- add: sphere
transform:
- [ scale, 0.025, 0.025, 0.025 ]
- [ translate, 0, -2.6, 0 ]
- add: cylinder
min: 0
max: 9
transform:
- [ scale, 0.025, 1, 0.025 ]
- [ rotate-z, 1.5708 ]
- [ translate, 0, -2.6, 0 ]
# mechanism: gear-plate between uranus & neptune
- add: GEAR
material: SILVER
transform:
- [ rotate-y, -1 ]
- [ translate, 0, -2.65, 0 ]
# neptune
- add: group
transform:
- [ translate, 10, 0, 0 ]
- [ rotate-y, -1.25 ]
children:
- add: sphere
transform:
- [ scale, 0.4, 0.4, 0.4 ]
material:
pattern:
type: map
mapping: spherical
uv_pattern:
type: image
file: res/neptunemap-small.ppm
- add: group
material: GOLD
children:
- add: cylinder
min: -2.7
max: 0
transform:
- [ scale, 0.025, 1, 0.025 ]
- add: sphere
transform:
- [ scale, 0.025, 0.025, 0.025 ]
- [ translate, 0, -2.7, 0 ]
- add: cylinder
min: 0
max: 10
transform:
- [ scale, 0.025, 1, 0.025 ]
- [ rotate-z, 1.5708 ]
- [ translate, 0, -2.7, 0 ]
# outer sphere as the surrounding environment
- add: sphere
transform:
- [ scale, 1000, 1000, 1000 ]
material:
pattern:
type: map
mapping: spherical
uv_pattern:
type: image
file: res/artist_workshop.ppm
transform:
- [ rotate-y, -2.7 ]
diffuse: 0
specular: 0
ambient: 1