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Bumpy Metaballs | Click and drag to rotate, mouse wheel to zoom.
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Isosurface created with Marching Cubes, and bump added
with normal mapping.
The metaballs don't have generated UV coordinates, and tangents can't
be
calculated with the usual method because it relies on texture
coordinates.
Following the triplanar mapping explained in this
GPU Gems 3 article
is possible
to generate the Tangent Space Basis in the fragment
shader.
Shading is the same MatCap as
Spherical Environment Mapping.
Code by Jaume Sánchez
@thespite
using three.js.