WebGL2 Marble Wasco (spline based model from www.hash.com in 2001).
Use your fingers or mouse to control the model
(hold shift key or use mouse wheel to zoom it).
Canvas is matched to your browser window.
Vertexes coordinates of the model are used as 3D texture coordinates.
3D fractal noise
is stored in 643 texture (gl.R8).
Compare with White Wasco
updated 4 Apr 2017