Dual Contouring works by placing a single vertex in each cell, and then “joining the dots” to form the full mesh. Dots are joined across every edge that has a sign change, just like in marching cubes. My first test for 2D dual contouring.
Further Reading: https://www.boristhebrave.com/2018/04/15/dual-contouring-tutorial/ https://www.cs.utexas.edu/~huangqx/CS395_Lecture_9.pdf https://www.cse.wustl.edu/~taoju/cse554/lectures/lect04_Contouring_I.pdf https://www.cse.wustl.edu/~taoju/cse554/lectures/lect05_Contouring_II.pdf
