After the internal exhibition ExileCon, Path of Exile developers from Grinding Gear Games released a video of about 60 minutes, in which senior programmer Alexander Sannikov explained the development of the renderer in a very patient and easy to understand way. If you need to know more about the latest news about Path of Exile or buy POE Currency, you can follow IGGM.
Sannikov explained that when developing graphics for Path of Exile, performance is always the top priority, because you must support a variety of systems-from the console to a variety of powerful PCs. Path of Exile has a special function: here, the "stacking" of skills leads to epic proportions. Finally, "the screen is full of what you just submitted." When developing a new technology, you must consider that someone combines it with a skill and completely loses control.
Although there are all disadvantages and you cannot simply convert the forward rendering pipeline to a deferred pipeline, you still want to switch the entire engine to PBR, which is based on physical rendering. This is now the standard, so there is nothing special about it, but Sannikov announced a truly unique technology created for Path of Exile that is unlikely to be found in any other game or anywhere. He is particularly proud of the spotlight shadow algorithm, which is very complex, but can be calculated very efficiently and looks good at the same time.
Grinding Games developers are also proud of the efficient global lighting (GI) inside the screen area. Due to the dynamic nature of the game, Path of Exile 2 also requires this technology and cannot rely on baking or RTX. The dynamic level generation system does not allow the interaction between level tiles to be calculated in advance. The entire algorithm and the shadow of the point light source are completely processed by the GPU, which is very important for Path of Exile, because the main processor is busy with the calculation of the game. The other topics in the really interesting video are ray casting, refraction, and aquatic computing.
According to the website's data, the release date of Path of Exile 2 has not yet been determined, but beta is unlikely to start before the end of 2020. According to my suggestions, if players want to have a better game experience in the next game, they can consider buying the appropriate POE Orbs at IGGM, which will be the most sensible choice.
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