Implement std::hash for glm::vec2/vec3/vec4
voxel: Implement basic chunk-based cell storage
voxel: Submit forgotten header file, fix storage bugs
voxel: Introduce basic Mesher interface and a marching cubes implementation
Switch to Mesher and Grid based generation.
We do not need dual numbers or SDF any more :(
Slightly tweak basic generation function
Wrap Bullet body into a RAII object to support adding/removing bodies on the fly
Implement basic brush painting
Implement negative brush