Let's try to convince a bunch of particles to behave (at least somewhat) like water.
Written in C# and HLSL, and running inside the Unity engine.

Source code:
https://github.com/SebLague/Fluid-Sim

If you'd like to support me in creating more videos like this, you can do so here:
  / sebastianlague  
https://ko-fi.com/sebastianlague

Resources:
https://matthias-research.github.io/p...
http://www.ligum.umontreal.ca/Clavet-...
https://sph-tutorial.physics-simulati...
https://web.archive.org/web/201407250...

Music:
https://github.com/SebLague/Misc-Proj...

Chapters:
0:00 Intro
0:27 Gravity and Collisions
2:31 Smoothed Particles
3:55 Calculating Density
7:53 The Interpolation Equation
11:58 Gradient Calculations
15:38 The Pressure Force
19:19 Trying to Make it Work...
22:05 Optimizing Particle Lookups
26:31 Spatial Grid Code
27:48 Position Predictions
30:32 Mouse Force
33:22 Artificial Viscosity
36:46 Pressure Problems
39:51 Bugs
41:06 Parallel Sorting
43:22 Some Tests and Experiments
44:47 The Third Dimension
47:23 Outro