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# GitHub:
# https://github.com/Rabbid76/PyGameExamplesAndAnswers/blob/master/documentation/pygame/pygame_event_and_application_loop.md
#
# Stack Overflow:
# https://stackoverflow.com/questions/63540062/pygame-unresponsive-display/63540113#63540113**[ repl.it/@Rabbid76/PyGame-MinimalApplicationLoop](https://replit.com/@Rabbid76/PyGame-MinimalApplicationLoop#main.py)**
**[![][1] repl.it/@Rabbid76/PyGame-MinimalApplicationLoop](https://replit.com/@Rabbid76/PyGame-MinimalApplicationLoop#main.py)**
[1]: https://i.sstatic.net/5jD0C.png
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Barycentric cooridnates of triangle (Drawing a triangle in OpenGL fragment shader):
--------------------------------------------------------
| s | | (p1.a - p0.a) , (p2.a - p0.a) , p0.a | | p.a |
| t | = inverse | (p1.b - p0.b) , (p2.b - p0.b) , p0.b | * | p.b |
| 1 | | 0 , 0 , 1 | | 1 |
------------------------------------------------------------------
in triangle = (s+t) <= 1.0 && s >= 0 && t >= 0