ekarpp / lumo / 5843185550

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0.3.0 (#26)

* Adds depth of field to cameras
* Implement perspective and orthographic cameras
* Adds .mtl file parsing
* Adds whole scene parsing from .obj files
* Implement watertight triangle intersection due to Woop et. al. 2013
* Implements robust floating point error checking to hit computations
  * Ray origins are robustly offset according to floating point error to be on the correct side of surfaces
* Triangles store indices to read vertex/normal/texture data from TriangleMesh
* Improve test coverage
* Implement bidirectional path tracing with multiple importance sampling
  * Implements needed sampling methods on objects
  * Implements camera sampling for perspective cameras
  * Refactors image with rendering in progress to `Film`

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