Updates to collision.py

[dyceron]

• Cleans up some values/variables on various structs
• Adds new classes and functions

TODO: Add support for adding new points to a polygon

[codecov]

Codecov Report

Attention: Patch coverage is 92.42424% with 5 lines in your changes missing coverage. Please review.

Project coverage is 77.65%. Comparing base (b0de65a) to head (3c528a6).

Files with missing lines	Patch %	Lines
...ercury_engine_data_structures/formats/collision.py	92.42%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #264      +/-   ##
==========================================
+ Coverage   77.62%   77.65%   +0.03%     
==========================================
  Files          79       79              
  Lines        4027     4082      +55     
==========================================
+ Hits         3126     3170      +44     
- Misses        901      912      +11     

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