i still have some small optimizations to do to direct lighting and small bugs to fix (literal corner cases agghhh!! 馃槴) and i'll probably tweak the lighting colors and skybox a bit here and there but i'm considering the lighting system done now and i'm excited to move on to adding more *stuff* to the game
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just to be clear: this lighting doesn't use any realtime raytracing technology or gpu compute buffers or anything like that. in fact it doesn't use the gpu *at all*
you could have this lighting while running the game on a literal potato. i could run this on my 2012 laptop (that's my acceptable performance target)
changed direct lighting in block game so it can be progressively performed over multiple frames, which means i can allot a fixed time budget per frame for it
shown here artificially slowed down and with indirect light hidden to show the process more clearly
i still have some small optimizations to do to direct lighting and small bugs to fix (literal corner cases agghhh!! 馃槴) and i'll probably tweak the lighting colors and skybox a bit here and there but i'm considering the lighting system done now and i'm excited to move on to adding more *stuff* to the game
someone asked what the caves look like with the different light layers so in this post and a couple replies imma post screenshots from the same cave earlier with direct + indirect, direct only, and indirect only light
cave screenshot, labeled "indirect lighting only". there is a very gradual darkening throughout with no cast shadows, and a block very close to the camera is lit up
cave screenshot, labeled "direct lighting only". there is an abrupt shadow on the left and top right, and a block very close to the camera is completely dark
cave screenshot, labeled "combined direct + indirect". there is a noticeable shadow falloff, though not absolute, in the passages connecting left and top right
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