4.0.0

🟡 Backwards-compatible changes for console API or scene definitions
🔴 Breaking changes for console API or scene definitions

Added

• 🟡 Circle object type
• 🟡 Triangle object type
• Automatic conversion of 3-sided Polygons to Triangles
• Typing for Plane constructor
• Linting with PyLint
• 🟡 Argument defaults for output, width, and height
• Improved argument parsing
• Loading bar for writing to PPM files
• Versioning section to README
• .env.example file for arguments
• 🟡 Support for writing output to PNG files

Changed

• 🔴 "center" and "point" object attributes to "position"
• Object attributes to be ordered by position, rotation, size
• 🔴 Output to go to PNG files by default
• Private parameters of object classes to be accessible from subclasses
• Private methods to be privatized
• lib_patch folder to just lib
• lib scripts to use their library name
• vector_utils.py to vector.py
• Moved all Objects into the same script
• Reorganized README
• Linted all files
  • Docstrings
  • Safer typing
  • Limited line length
  • PascalCase and snake_case conformity
  • isinstance for type comparison
  • enumerate for iteration
• Command line output to be improved

3.0.0

🟡 Backwards-compatible changes for console API or scene definitions
🔴 Breaking changes for console API or scene definitions

Added

• 🟡 Polygon object type
• 🟡 Plane object type
• Shadows
• 🟡 Reflectivity object parameter
• Reflectivity to program 5 sample scenes
• Reflections & recursive raycasting
• 🟡 reflection-limit argument
• Multiprocessing for faster calculations
• istarmap patch for multiprocessing library
• closed_pairwise patch to itertools library
• Progress bar
• 🟡 progress-bar toggling argument
• Program 6 sample scenes
• Program 6 custom scene
• Auto-normalization warning to scene importer
• 🟡 Default values to scene importer
• "Writing to file" indicator
• Better scene type definitions to README

Changed

• 🔴 Replaced direction_to_light with light_direction for scene definitions
• 🔴 Renamed all env arguments to match console arguments
• Moved raycasting to separate classes
• Moved vector magnitude and normalization to separate script
• Moved camera axes to separate Camera object
• Simplified Sphere normal calculation
• Transitioned to safer None comparisons
• New example image to README

Fixed

• Clamped color values
• Inaccurate camera_look_at importing
• 🔴 Bug where field_of_view could be 360 instead of 0

2.0.0

🟡 Backwards-compatible changes for console API or scene definitions
🔴 Breaking changes for console API or scene definitions

Added

• 🟡 Progress reporter to allow the user to see job progress
• Timer to track efficiency
• Type-hinting for scene_importer
• PPM viewer extension to VS Code extensions

Changed

• 🔴 Transitioned to Pythonic formatting (using lowercase and underscores instead of camelcase)
• Moved ray_trace() to separate script
• Moved shading to separate script
• Moved load_scene() to scene_importer
• Moved write_to_ppm() to separate script
• Moved Objects to separate files
• Made git ignore ppm output files
• Renamed repository
• Improved README example image quality

Fixed

• Bug where window point was calculated incorrectly and made the window half the size

1.0.0

Added

• Argparsing with environment variable alternatives
• Scene importing system
• Basic raytracing
• Basic Phong shading model
• .ppm output formatting
• Support for Spheres
• Scenes from Program 5 and converted them to JSON
• Custom scene 3 for Program 5
• Basic README
• vscode devcontainer configuration
• Other vscode settings