How can i create 3D polygons from x,y,z coordinates ? 2D to 3D

[Attila_Schroeder]

Hi sphynx,

That reminds me of this topic. Someone recently asked something similar and I made a code pen for it.
Take a look, maybe it goes in the direction you imagine.

Can't understand why result is a triangle instead of rectangle when creating 3d polygon

I am relatively new to Three.JS and tried to implement something to build polygons in 3D space. I tried using earcut library to triangulate points - did not help that much, tried to use Hull.js, which did work, but only with convex shapes. After a while I found solution that was provided by @prisoner849 and for some sets of points it worked perfectly, but for some not. Live code example As far as I understand this solution, there should be a rectangle here, not a triangle. For this set of po…