Bad Apple!! but it's a smoke simulation

The white pixels in the original animation have been treated as solid cells (drawn in black), with a constant outwards force applied along the outline. Smoke is also gradually added in along the outline. Simulation explanation:    • Coding Adventure: Simulating Smoke   My other bad apple (using a particle-based fluid):    • Bad Apple!! but it's a fluid simulation   Support my random experiments on Patreon:   / sebastianlague   Credits: Music:    • [Alstroemeria Records]Bad Apple!! feat.nom...   Animation by あにら (Anira). Specifically, I used this version:    • 【東方】Bad Apple!! ＰＶ【影絵】   Subtitles: https://archive.org/details/bad-apple...