[fluxus] (build-polygons) and normals

[Claude Heiland-Allen]

Hi all,

I've been playing around with (build-polygons) this afternoon, and have 
made a nice tetrahedron (attached), practice for making more 
interestingahedra.

But, it is about 1/4 the brightness of a cube of the same nominal 
colour, and activating (hint-normals) shows that it has 1 normal per 
vertex, whereas the cube has 3, and the tetrahedron's normal is rather 
short.

I am using (recalc-normals) to create the normals, because I don't know 
any other way.  How would I specify the normals properly?

Thanks,


Claude

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