ray casting and partial refactor for 3D
fixed conflicts
continued work on 2d to 3d
volume renderer
fixed some errors for 3d
Updated glfw
Only radians allowed in GLM
fixed raycaster shader name bug
Merge branch '3d' of https://github.com/emiax/pink-fluid into 3d
fixed a bug where d should be dist
fixed warnings in grid.h and some indentation in simulator.cpp
volume controlfor 3d
merged from master, pressure solver etc
minegcraft style ray caster
fixed conflicts