update only the filled amount of vertices
cleaning up
use smaller depth buffer
add testobject & related
geosphere
skybox
use floors for difficult slopes
cleaning up coords
cleanup cubefaces
cleaning up floor
add symbol renderer
cleanup
lookat
copy vertex data only if there's something to copy
D32 depth buffer
near plane 0.1f -> 1.0f
debug & singlethreaded flags
fix gitignore
clip symbols if alpha < 0.1
cleanup chunk coordinate handling