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chapter11_reflection_refraction.yml
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chapter11_reflection_refraction.yml
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# ======================================================
# reflect-refract.yml
#
# This file describes the scene illustrated at the start
# of chapter 11, "Reflection and Refraction", in "The
# Ray Tracer Challenge"
#
# by Jamis Buck <[email protected]>
# ======================================================
# ======================================================
# the camera
# ======================================================
- add: camera
width: 600
height: 400
field-of-view: 1.152
from: [-2.6, 1.5, -3.9]
to: [-0.6, 1, -0.8]
up: [0, 1, 0]
# ======================================================
# light sources
# ======================================================
- add: light
at: [-4.9, 4.9, -1]
intensity: [1, 1, 1]
# ======================================================
# define constants to avoid duplication
# ======================================================
- define: wall-material
value:
pattern:
type: stripes
colors:
- [0.45, 0.45, 0.45]
- [0.55, 0.55, 0.55]
transform:
- [ scale, 0.25, 0.25, 0.25 ]
- [ rotate-y, 1.5708 ]
ambient: 0
diffuse: 0.4
specular: 0
reflective: 0.3
# ======================================================
# describe the elements of the scene
# ======================================================
# the checkered floor
- add: plane
transform:
- [ rotate-y, 0.31415 ]
material:
pattern:
type: checkers
colors:
- [0.35, 0.35, 0.35]
- [0.65, 0.65, 0.65]
specular: 0
reflective: 0.4
# the ceiling
- add: plane
transform:
- [ translate, 0, 5, 0 ]
material:
color: [0.8, 0.8, 0.8]
ambient: 0.3
specular: 0
# west wall
- add: plane
transform:
- [ rotate-y, 1.5708 ] # orient texture
- [ rotate-z, 1.5708 ] # rotate to vertical
- [ translate, -5, 0, 0 ]
material: wall-material
# east wall
- add: plane
transform:
- [ rotate-y, 1.5708 ] # orient texture
- [ rotate-z, 1.5708 ] # rotate to vertical
- [ translate, 5, 0, 0 ]
material: wall-material
# north wall
- add: plane
transform:
- [ rotate-x, 1.5708 ] # rotate to vertical
- [ translate, 0, 0, 5 ]
material: wall-material
# south wall
- add: plane
transform:
- [ rotate-x, 1.5708 ] # rotate to vertical
- [ translate, 0, 0, -5 ]
material: wall-material
# ----------------------
# background balls
# ----------------------
- add: sphere
transform:
- [ scale, 0.4, 0.4, 0.4 ]
- [ translate, 4.6, 0.4, 1 ]
material:
color: [0.8, 0.5, 0.3]
shininess: 50
- add: sphere
transform:
- [ scale, 0.3, 0.3, 0.3 ]
- [ translate, 4.7, 0.3, 0.4 ]
material:
color: [0.9, 0.4, 0.5]
shininess: 50
- add: sphere
transform:
- [ scale, 0.5, 0.5, 0.5 ]
- [ translate, -1, 0.5, 4.5 ]
material:
color: [0.4, 0.9, 0.6]
shininess: 50
- add: sphere
transform:
- [ scale, 0.3, 0.3, 0.3 ]
- [ translate, -1.7, 0.3, 4.7 ]
material:
color: [0.4, 0.6, 0.9]
shininess: 50
# ----------------------
# foreground balls
# ----------------------
# red sphere
- add: sphere
transform:
- [ translate, -0.6, 1, 0.6 ]
material:
color: [1, 0.3, 0.2]
specular: 0.4
shininess: 5
# blue glass sphere
- add: sphere
transform:
- [ scale, 0.7, 0.7, 0.7 ]
- [ translate, 0.6, 0.7, -0.6 ]
material:
color: [0, 0, 0.2]
ambient: 0
diffuse: 0.4
specular: 0.9
shininess: 300
reflective: 0.9
transparency: 0.9
refractive-index: 1.5
# green glass sphere
- add: sphere
transform:
- [ scale, 0.5, 0.5, 0.5 ]
- [ translate, -0.7, 0.5, -0.8 ]
material:
color: [0, 0.2, 0]
ambient: 0
diffuse: 0.4
specular: 0.9
shininess: 300
reflective: 0.9
transparency: 0.9
refractive-index: 1.5