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Oct 27, 2022
Applied Mathematics

Applied Mathematics

In CG, no matter what you're focus is there are mathematics. Depending on your career path you may or may...

3/15/2024
- Math
Jan 9, 2023
Atmospheric Rendering

Atmospheric Rendering

https://en.wikipedia.org/wiki/Mie_scattering https://www.britannica.com/science/Rayleigh-scattering https://www.scratchapixel.com/lessons/procedural-generation-virtual-worlds/simulating-sky https://www.alanzucconi.com/2017/10/10/atmospheric-scattering-1/ #todo [x] THING1 [x] THING2 [x] THING3 orientation vector v0 = normalize(set(-1,0,-1)); vector vref = set(0,0,-1); vector4 orient = dihedral(v0,...

3/15/2024
Mar 1, 2024
Catenary Curves Houdini Vex

Catenary Curves Houdini Vex

Better curve code // Parameter to control the shape of the catenary float a = chf("a"); // Retrieve the start and end points...

3/15/2024
Oct 27, 2022
Continuous vs Discrete Mathematics

Continuous vs Discrete Mathematics

One of the difficult things in programming and cg when dealing with mathematics is translating things from math papers to...

3/15/2024
- Math
Nov 2, 2022
Mathematics Hub

Mathematics Hub

CG Maths ...

3/15/2024
- Math
- Index
Feb 7, 2023
Setting Up Banking Curves in Houdini

Setting Up Banking Curves in Houdini

The Problem A common problem you may encounter is adding the correct vector data to a curve to get the up...

3/15/2024
Jan 25, 2024
Sine Waves on a Circle

Sine Waves on a Circle

// Parameters to control the shape and randomness float frequency = chf("frequency"); float minAmplitude = chf("min_amplitude"); float maxAmplitude = chf("max_amplitude"); int smoothingPoints = chi("smoothing_points");...

3/15/2024
Nov 2, 2022
Velocity Vectors Vex Houdini

Velocity Vectors Vex Houdini

vector middlepoint = point(0,'P',878) + chv('adddir'); float noise = noise(chv('offset')+@Pchv('fancyscale')ch('multynoise'))*5; v@pushout = (middlepoint-@P)*noise; v@v = v@pushout*-1; ...

3/15/2024