Techno Sutra DEMO

A cross-platform Techno Sutra DEMO built with Bevy (Rust) that renders equirectangular 360° images as immersive first-person experiences.

Features

• 🌐 Equirectangular to Cubemap Conversion - Automatic GPU-ready conversion
• 🎮 First-Person Controls - Mouse look + keyboard navigation
• 🎭 3D Character Integration - GLB/GLTF model support
• 🔊 Spatial Audio - 3D positional audio for characters
• 🖥️ Cross-Platform - Desktop (Windows/macOS/Linux) + Web (WASM)

Quick Start

Prerequisites

# Install Rust
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

# Add WASM target (for web builds)
rustup target add wasm32-unknown-unknown

# Install trunk (for web builds)
cargo install --locked trunk

Run Desktop

cargo run --release

Run Web

trunk serve
# Open http://localhost:8080

Controls

Input	Action
Click	Capture mouse
Mouse Move	Look around
WASD / Arrows	Look around
+/-	Adjust FOV
Space	Toggle character audio
Escape	Release mouse

Project Structure

techno-sutra-demo/
├── src/
│   ├── main.rs              # Entry point
│   ├── lib.rs               # GamePlugin + states
│   ├── loading.rs           # Asset loading
│   ├── panorama.rs          # Equirect→Cubemap conversion
│   ├── camera_controller.rs # First-person controls
│   └── character.rs         # GLB + spatial audio
├── assets/
│   ├── panoramas/demo.jpg   # 4096x2048 equirectangular
│   ├── models/character.glb # 3D character
│   └── audio/dialogue.ogg   # Character audio
├── Cargo.toml
├── index.html               # WASM template
└── Trunk.toml               # WASM build config

Adding Your Own Panorama

1. Place a 2:1 aspect ratio image (e.g., 4096x2048) in assets/panoramas/
2. Update src/loading.rs to point to your image:

   #[asset(path = "panoramas/your_panorama.jpg")]
   pub demo_panorama: Handle<Image>,

3. Run cargo run

License

MIT / Apache-2.0