feat(render): use inverse-square light falloff
feat(render): use inverse-square light falloff

stardazed/stardazed-tx,zenmumbler/stardazed-tx,zenmumbler/libzm,zenmumbler/libzm,zenmumbler/stardazed-tx,stardazed/stardazed-tx,stardazed/stardazed,zenmumbler/stardazed-tx,zenmumbler/stardazed-tx,zenmumbler/libzm,stardazed/stardazed,zenmumbler/libzm,stardazed/stardazed-tx