added Horizon-Based Ambient Occlusion #5645
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added Horizon-Based Ambient Occlusion and fixed broken parts of LensFlare
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Includes the lens flare work from #5498 |
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Closing, lens flare and AO are Included in #5673. |
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added Horizon-Based Ambient Occlusion and fixed broken parts of LensFlare.
Horizon-Based Ambient Occlusion is an advanced Screen Space Ambient Occlusion method.
The most big difference is that SSAO just uses random direction sampling from each pixel whether it is occluded or not. However, Horizon-Based Ambient Occlusion calculates its real around area's occluded angle. Thus, it is more accurate but more expensive.
(There is an artifact like drawing edge line caused by no Gaussian blur)
Intensity : HBAO's intensity
LenCap : Maxium length where ambient occlusion can affect
stepSize : Gap length of each sampling step
Bias : Ambient occlusion of angle bias