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Legacy Demos of the Taichi Graphics Library (2016)

Physically-based Animation

Fluids

Material Point Method, Affine Particle in Cell, FLIP...

Rigid Body Simulations

Physically based Rendering

Path-traced Images  (early project)

Complex scenes by Wig42, converted by Benedikt Bitterli. Rendered by Taichi.

livingroom
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Stochastic Progressive Photon Mapping with QMC

Equal time comparison between AMCMCPPM (left) and naive SPPM (right). The light source is far away and MCMC smartly guides photons to visible areas.

0000600
0001000

 

Unified Path Sampling/Vertex Connection and Merging

stones
vcm

Volumetric Kelemen-style Metropolis Light Transport

volumetric

 

Image-based Lighting

taichi_material3

 

Opaque v.s. Subsurface Scattering

suzanne_sss2

Multiple Importance Sampling (MIS) test scene (originally by Eric Veach). Equal-sample comparisons between importance sampling of light sources + BSDF (top), only BSDF (bottom left), only light sources (bottom right).

both
bsdf
light
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0001320
dragon
fractals
img0000-000380

Microfacet with GGX NDF

microfacet