Explanation

Background knowledge and deeper understanding of how Needle Engine works. These articles explain the architecture, design decisions, and technical concepts behind the engine — useful when you want to understand why things work the way they do.

Core Concepts

• Why Needle Engine exists - The problems it solves, who it's for, and how it relates to three.js, R3F and Unity WebGL
• Vision & Philosophy - Where we think the 3D web is going and our design principles
• Project Structure - Editor projects vs web projects
• Component Compiler - TypeScript to C# generation
• Exporting to glTF - How the export system works and what gets exported

Features

• Features Overview - Complete feature set and capabilities
• FastHDR Environment Lighting - Ultra-fast HDR lighting with zero CPU processing and minimal VRAM
• Progressive Loading (gltf-progressive) - How progressive texture and mesh loading works under the hood
• Texture Compression - KTX2, ETC1S, UASTC & WebP formats compared
• Mesh Compression - Draco & Meshopt compression formats

Architecture

• Technical Overview - System architecture, glTF pipeline, and three.js integration
• Networking Architecture - How multiplayer and networking works

Distribution

How a build reaches an audience, and the outside systems it has to satisfy.

• How Playable Ads Work - Ad networks, mediation, MRAID, platform SDKs, measurement, A/B testing, and packaging policies