wathiede/raytracers
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7 Commits

Author SHA1 Message Date
Bill Thiede
36b2fba5b7 De-boxed many uses of Hit and Material. 
Use of generic parameter directly where possible in structures instead
of Box'd values.
Added Material implementations for Box<Material> and Arc<Material> to
aid in the automatic conversion when necessary to use a Sized value for
Material.
Implement From trait for [f32;3] to Vec3 to make some APIs Into<Vec3>
which is a bit nicer to use.
 2018-10-03 20:53:37 -07:00
Bill Thiede
9c5233e057 Implement DiffuseLight material. 
Allow Scenes to define global_illumination so scenes without lighting
can continue to work.
 2018-09-23 18:30:24 -07:00
Bill Thiede
4206ad7289 Use CheckerTexture for ground in book scene. 2018-09-22 20:32:21 -07:00
Bill Thiede
a1d3cce4e4 Add ConstantTexture and use it for Lambertian material. 2018-09-22 19:53:27 -07:00
Bill Thiede
08ea5ca089 Lint. 2018-09-22 12:08:26 -07:00
Bill Thiede
2104f1a76c Implement kd-tree. 
Add simple test scene.
Failed attempt to make BVH faster.
Failed attempt to implement SAH w/ BVH.
Failed attempt to make AABB::hit faster.
 2018-09-22 11:11:40 -07:00
Bill Thiede
57ccefbcdc Move scene building to its own set of submodules. 2018-09-18 18:57:20 -07:00