![]() The challenge lies in finding the shortcuts.Īs full Ray Tracing remains a challenge to perform in real time, most games are based on rasterization, with RT being supplemented as of recently. Rasterization tries to find clever ways to get approximate results using a fraction of the cost (the shortcut).The main challenge lies in figuring out ways to compute it quickly enough. Ray Tracing simulates the behavior of light in the real world very accurately.The spectrum reaches from the simple but extremely fast phong lighting all the way to spectral path traced offline renderers like Disney’s Hyperion which would take days to compute a single frame on consumer hardware.ĭevelopers of video games continuously advance the pareto frontier of realistic and real time capable lighting. The best methods to compute lighting tend to require a lot of processing power, so there is always a balance between the desired level of realism and the performance budget. Lighting is what makes games video games look realistic or not. ![]()
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