initial
removed old code
- renamed sheet to ribbon
- RibbonBuffer: no more vertex sharing (for individual coloring)
- randomColor option for models
ADD: NGL.setFog method
SDFont tweaks
work on the NGL.setFog method
add backgroundColor option
- reworked NGL.params
- wip: camera params
FIX: fog params
add cameraFov param
experimented with multiplicative blending for surfaces
FIX: test aa
FIX: halo blending
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higher res font tex
better font tex with more characters
ADD: shader chunks
ADD: shader #define statements
FIX: shader #include commenting
remove unused code
ADD: some secondary structure data (1crn, 3dqb)
ADD: ribbon arrows encoded via negative size attribute
quadric tests