FFmpeg By Example is a documentation website to showcase all the unique and different ways to use FFmpeg.

ffmpeg -f lavfi -i "life=s=960x540:mold=10:r=60:ratio=0.1:death_color=#C83232:life_color=#00ff00,scale=960:540:flags=16" -c:v libx264 -crf 41 -frames:v 1800 -r 60 -t 30 life.mp4