FEATURES TO IMPLEMENT

[lukapiskorec]

• [x] Sobel operator - Standard threejs Sobel operator shader for edge detection. This will give us a "drawing" look.
• [x] Pixel Edge Shader - Sobel edge operator from Galo, adds a bit of a etching texture.
• [ ] #2
• [ ] Color control - Separate coloring of: 1. background (potentially with paper texture), 2. Sobel edges, 3. space frame color, 4. rock color, 5. separate region coloring.

[lukapiskorec]

[BarusXXX]

References for target changes https://stackoverflow.com/questions/38256900/threejs-post-processing-blending-effect-composer-passes