OptiDraw

Overview

Introduction to the OptiDraw Core System — architecture, ScriptableObject-driven design, and initial setup.

Data Management (Scriptable Object)

How OptiDraw stores painting data in modular, reusable ScriptableObjects for seamless project integration.

Painting Engines

Overview of all painting engines: Vertex Paint, Splat Paint, UV-Based Paint, PBR Paint, and Animation Draw Mode.

Advanced Draw Features

OptiDraw Layer System, UDIM multi-channel support, Auto Mask Generator, Bake Mesh Data, and Pentab pressure sensitivity.

Performance & Optimization

Burst compiler + GPU dispatch pipeline, batching, and performance-first guidelines for high-poly and mobile targets.

Template Shader

Plug-and-play template shaders pre-wired for OptiDraw data output — covers Vertex, Splat, and PBR modes.

Shader Graph Custom Support

Extend OptiDraw into any custom Shader Graph pipeline — node wiring, data channel mapping, and UDIM configurations.

Texture Channel Packer

Free built-in utility to merge Metallic, Smoothness, AO, and Height into a single RGBA map for maximum VRAM efficiency.

Troubleshooting

Common issues, diagnostic steps, and fixes for OptiDraw setup and runtime problems.

Splat Painting not Supported by Mesh

Root cause and fix when a mesh lacks the UV channels or topology required for Splat Paint mode.

Splat Painting not Supported by Shader

How to configure or replace shaders that are missing the splat data sampling nodes required by OptiDraw.

Notes

Known limitations, editor version compatibility notes, and deliberate design decisions in OptiDraw.