Hi ! I found an interesting post (https://cycling74.com/forums/making-a-cube-with-jit-gl-isosurfjit-expr/) and take a look at the link provided : http://www.iquilezles.org/www/articles/distfunctions/distfunctions.htm

But I don't understand how to write equations such equations in jit.gen ; i'm ok with the sphere and the box but don't succed with others shapes (I don't want to use gridshape here). In fact I don't understand how to convert notations such as "length(p.xz)" or "max(d.x, d.y)" …. I put here a patch but the way I took don't works….

Someone can give explications pleeeeaaaase ? Thanks !!