In practice you will only notice this in specific situations where light calculations are complex, such as dark indoor scenes with only one light source casting light through a window, or a scene where caustics are prominent, such as a swimming pool or a close-up shot of a glass on a table. This puts Cycles in the 'biased' category of renderers, which effectively means that some concessions are made to speed up calculations of the end result.
To achieve this, some subtle computation restrictions are used to minimize rendering time, at the expense of a slight bit of accuracy / detail.
Last but not least, there is no update of irradiance (bounced light) when rendering rendering multiple frames for animation.Ĭycles is Blender's most powerful integrated renderer (image: Blender animation studio)Īlthough Cycles is very capable of achieving realistic results, it also attempts to limit rendering time.
And for bounced light and convincing reflections and refractions you need to fiddle with Irradiance Probes, Reflection Probes, material-level options and cache pre-rendering. A more advanced renderer is recommended for that, such as Blender's Cycles.Īlso, for really convincing results Eevee can be a bit cumbersome to set up with its many render settings and shadow options. Eevee is less suitable for more advanced rendering techniques though, such as accurate bounced light and recursive reflections. This makes Eevee very suitable for animation rendering, which can quickly become very time-consuming if you need to render hundreds or thousands of frames using a more realistic renderer.
It uses a plethora of smart 'hacks' to efficiently mimic the behaviour of light, shadows, reflections, refractions and more, while sacrificing as little rendering time as possible. Blender's Workbench is the default viewport renderer EeveeĮevee is Blender's celebrated real-time renderer, introduced with the release of version 2.8.
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