![]() ![]() ![]() With the older rendering engines (ray tracing and micropolygon rendering), shadows must be simulated as “extra work” by the renderer. That is, you don’t have to do anything to enable shadows – they are a “free” byproduct of physically based rendering. Because it only lights surfaces that get hit by the bouncing light, it renders shadows “automatically”. Physically based rendering (PBR) realistically simulates light bouncing around the scene. In Houdini, if you don’t have any lights in the scene, To be able to see anything in a render, you need to light the scene. ![]()
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