Real-time fluid simulation in unity.

• Based on Smoothed-particle hydrodynamics method.
• Runs entirely on GPU.
• Handles up to one million particles.
• Uses counting sort to speed-up neighbor searching.
• Implementing surface extraction techniques proposed by Yu and Turk.
• Performs normal smoothing to make the surface more realistic while avoiding expensive isosurface extraction algorithms.
• Basic water shading

https://youtu.be/s-cDYtNfsl4

One million particles simulated in real-time. ~40 fps with GTX 1070 Ti.

• M. Müller, D. Charypar and M. Gross. Particlebased fluid simulation for interactive applications. 2003.
• J. Yu and G. Turk. Reconstructing Surfaces of Particle-Based Fluids Using Anisotropic Kernels. 2010.
• Rama C. Hoetzlein. Fast Fixed-Radius Nearest Neighbor Search on the GPU. 2014.