Last time [https://www.shadercat.com/how-to-explore-unity-5s-shader-system-code-iv-global-illumination-code-overview/] we looked at Global Illumination. This time

Last time [https://www.shadercat.com/how-to-explore-unity-5s-shader-system-code-iii-reading-the-standard-shader-the-pbs-version/] we looked at the Physically Based lighting

Following up from part II [https://www.shadercat.com/how-to-explore-unity-5s-shader-system-code-ii/], this time we're going

Following up from part I [https://www.shadercat.com/how-to-explore-unity-5s-shader-system-code-i-overview/], you should have downloaded

Unity is a very flexible tool for exploring shader development. The hassle compared with,