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How to set occluder and occludee in Inspector It’s recommended to go through your entire scene to multi-select any objects that should be included in occlusion culling calculations and mark them as “Occluder Static” and “Occludee Static”.įigure 25. Most objects that you come across will have the potential to be included as both an occludee and an occluder depending on the camera orientation and game boundaries. Occludees – Any object that will not be rendered to the screen because it is blocked by an occluder.Occluder – Any object that acts as a barrier and prevents visibly blocked objects (occludees) from being rendered.To set occlusion culling, it helps to know some of the vocabulary Unity uses as it will help you set up your scene to do the culling. Occlusion culling alleviates GPU processing (and maybe CPU if the occlusion culling calculation takes less time than the driver calls saved) by sending less draw calls overall. Occlusion culling is the answer (Figure 21). If the player were to walk up to a giant castle containing a sprawling city, would you really want to spend system resources to render all of the occluded shops / players within the city walls? Didn’t think so. Let’s use a fantasy MMORPG as a simple example. Occlusion culling is a feature available in Unity that enables you to cull out objects that are occluded by other objects with respect to the camera.
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Unity* Optimization Guide Intel x86 Platforms: Part 2 Using Simple Colliders Instead of Mesh Colliders for Complex Models.