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Ball Trick

Simulation of balls falling through a Pachinko-style machine. But there seem to be something weird...

Prerequisites

  • Operating System: Windows 10 or later

  • Software: Python 3.8+

  • Dependencies: Install all the required packages using the following command

    • python -m pip install taichi, numpy, opencv-python

Run

Firstly, run simulation.py to generate a physical animation. This will generate a directory output/ and many files in it. Do not touch those files.

python simulation.py

Secondly, run magic.py to do the magic. This process will take a VERY LONG time (more than a day on a 55-core machine) during which your computer might stuck. So be prepared! Running this script will generate some more files under output/.

python magic.py

At last, run generate_video.py and see the magic works! This process will apply the visual control to the physical animation, and generate a video named magic.mp4, which is the result.

python generate_video.py

Please do not touch anything in the output/ directory when running!