Language

Evan is written in C++20 to keep the engine portable while still giving direct control over memory, performance, and platform integration.

Graphics Stack

• Vulkan is the primary rendering API.
• GLSL is used for shader sources.
• GLM provides math helpers for transforms and matrices.
• stb is used for lightweight asset and image support.

Platform Strategy

• OpenXR is used for XR targets.
• GLFW is used for desktop windowing and input.
• Android-specific Vulkan and OpenXR paths are kept separate from desktop builds.

Build Model

Evan is configured by the workspace root CMake project. The engine is compiled with one backend and one platform selected so the resulting binary stays explicit and predictable.