I would like to visualize planar complex analytic mappings
Points (x,y) will be mapped to points (u,v).
For example u=xx-yy and v=2xy would be the complex mapping f(z)=z^2.
Here is what I would like to achieve (don’t mind the theory text in Finnish):
http://integraali.com/fourier-havainnollistus/kuvat/kompleksinen-exp.html
I think I should find/make a suitable shader?
(Disclaimer. I am not a very experienced coder. But I have used JavaScript for education for 4 years and Three.js for 1 year.)