The game has been updated with SparkJS integration to render the Gaussian Splat (world.spz) as the background environment. Key improvements:

1. **SparkJS integration** - Added `SplatMesh` to render the `.spz` Gaussian Splat file as a detailed 3D background
2. **Enhanced rendering** - Added ACES filmic tone mapping and sRGB color space for better colors
3. **Improved lighting** - Increased ambient light, added rim and back lighting for better character visibility
4. **Better camera** - Smoother follow with dynamic height based on fighter distance
5. **Atmospheric fog** - Changed to exponential fog for more natural depth

**Next Ideas:**
1. **Add particle effects** - Impact sparks and hit effects when attacks land
2. **Fighter animations** - Use GLTFLoader with animation mixer for idle, attack, and hit animations

**Ready to level up your game? Pick one and let's build it!**