Added `geometry.Line` base

[itzpr3d4t0r]

This pull request adds the Line class to the pygame.geometry module.

It also adds the ax, ay, bx, by, a, b attributes, str functionality (for printing), and the copy method. It also adds their associated docs and tests.

Credits

Geometry Project: For code, docs and tests: @novialriptide @Emc2356 @itzpr3d4t0r @ScriptLineStudios @avaxar @Matiiss @newpaxonian @maqa41 @blankRiot96 Also thanks to @Starbuck5 for kickstarting the idea and the occasional help!

Functionality added in this PR

• geometry.pyi https://github.com/pygame-community/pygame-geometry/blame/main/geometry.pyi Credits to @Emc2356 @itzpr3d4t0r @novialriptide @ScriptLineStudios @avaxar

• geometry.rst https://github.com/pygame-community/pygame-geometry/blame/main/docs/line.rst Credits to @Emc2356 @itzpr3d4t0r @ScriptLineStudios @avaxar

• line.c https://github.com/pygame-community/pygame-geometry/blame/main/src_c/line.c Credits to @Emc2356 @itzpr3d4t0r @novialriptide @ScriptLineStudios @avaxar

• geometry.h https://github.com/pygame-community/pygame-geometry/blame/main/src_c/include/geometry.h Credits to @Emc2356 @itzpr3d4t0r @maqa41

• geometry.c https://github.com/pygame-community/pygame-geometry/blame/main/src_c/geometry.c Credits to @Emc2356 @itzpr3d4t0r @novialriptide @ScriptLineStudios @avaxar

• geometry_test.py https://github.com/pygame-community/pygame-geometry/blame/main/test/test_line.py Credits to @Emc2356 @itzpr3d4t0r @novialriptide @ScriptLineStudios @avaxar

[damusss]

woah

[aatle]

Is there any specific reason why the coordinates are named with xa, yb instead of ax, by? The current is annoying for me to parse mentally, as it looks backwards and the 'subscript' appears in front of the point.