1.iradiance map medium - hp subivs 100-200 / interpolations apples 50 / ambient oclusion on
2. esli ne gladka pavisahesh max subdivs v image sampler min subdivs 1 amx subdivs 24 bolshe ne tebetsa eta maximum xvataet
3. no esli iest vremya brute force ne padvidiot negagda :) mesta iradince map
4. light chashe po umalchaniu vsegda