Visual Snow Simulator and Tools

Programs to simulate the appearance of visual snow

install instructions

unzip all files in some directory (for some reason the git submodule lygia is empty, this needs to be added manually)
install python 3.8+ and pip
on windows you might need to install the microsoft build tools / visual c++
run:

pip install moderngl
pip install moderngl-window

run the program:

python3 ./visualsnowsim.py

usage instructions

visualsnowsim

Use the A and D keys to decrease/increase noise(snow) size. Use the Q and E keys to decrease/increase noise(snow) brightness. Use the C and B keys to decrease/increase the cutoff value for noise to appear (amount of noise). Use the T and U keys to change the type of noise (resets the other parameters). ESC closes the application.

example_task

This is a simple app that displays a black screen and gradually adds noise. Press space whenever noise appears to be visible. Results are logged in a CSV file.

jspsych version

This can be tried out here: https://proych8kyx.cognition.run/

webgl noise generator

the webgl noise demonstration can be tried out here: https://zesty-heliotrope-2f2c6f.netlify.app/