You can use coords of a pixel in NDC to paint the parts of meshes by functions (circles, rectangles, blobs of noise etc.)
Demo: https://codepen.io/prisoner849/full/JjayPpZ
Pretty similar to:
You can use coords of a pixel in NDC to paint the parts of meshes by functions (circles, rectangles, blobs of noise etc.)
Demo: https://codepen.io/prisoner849/full/JjayPpZ
Pretty similar to: