ok so adding direct lighting to block game is going really well 馃ゲ
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omg i'm an idiot. i had a separate list of sky colors and sun strength scalars for the terrain to do the day night cycle
then i realized i could just convert the colors to HSL, and set the sun strength scalar based on the min, current, and max brightness of the sky colors
so `sun = (cur - min) / (max - min);`
did that and it works great :|
ok so adding direct lighting to block game is going really well 馃ゲ
okay that's much better 馃槉 there's some light bleed that i need to fix but i think i might know what's causing that
either way this is a good stopping point for the day
fixed the light bleed issue
so basically block game has faux global illumination now. i realized minecraft style lighting is kinda like bounce lighting, so i figured if i added shadow mapped direct lighting it'd look sorta like GI and i think it turned out real good!
you can see that both methods separately lack something, but when combined the scene feels pretty grounded :D
the same scene but with indirect lighting only. the entire scene is lit with a nice soft gradient that extends to the radius of the light source, and weakens a little behind obstacles, but there are no proper cast shadows, which makes the scene feel less grounded
the same scene but with direct lighting only. the parts cast in shadow like the central pillar and the larger side pillar are very starkly contrasted and the shadows cast are, aside from a soft penumbra, a single dark color with no light variance
scene with three stone structures in a row on top of flat dirt ground. on the far left is a tall pillar, in the middle a short pillar, and on the right a wall with a small hole in the center at the bottom. the middle pillar has a light source on top, casting shadows around its own pillar on the ground, as well as behind the taller pillar and wall, but there's still a gradient of lighting inside the shadows, not just hard on/off
and here's a gif that cycles through the three lighting styles
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