From the course: Unity 3D 2019 Essential Training

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Introduction to light baking

Introduction to light baking - Unity Tutorial

From the course: Unity 3D 2019 Essential Training

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Introduction to light baking

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- [Instructor] If you've never heard of the term Light Baking, or don't quite understand what it is, this video is for you. In its simplest form, Light Baking creates a light map composed of texels, which is a texture that is overlaid on top of your three objects, with the light information applied to it. In other words, baked. For each texel in your map, Unity sends rays towards the light to read how it impacts this texel. When you have a scene with multiple lights added to it, this light creates shadows, and highlights, and often changes the color properties of your objects. For instance, an opaque green would have regions on the object that have a lighter green, and some other areas a darker green. Multiply this with dozens, if not hundreds, of 3D objects on your scene, and you can probably suspect what issues we may have. Our computer resources will struggle quite a bit in trying to render all these different objects…

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