How to create a camera in ShaderToy

Continuing from the last video in this tutorial I will continue building the groundwork for writing 3d shaders by building a camera system that makes use of a lookat point which is much easier to work with than the camera from the previous video.

The live version can be found here: https://www.shadertoy.com/view/4dfBRf

If you are new to 3D the be sure to check out my previous video first: https://www.youtube.com/watch?v=dKA5ZVALOhs

If you are new to ShaderToy programming then check out this video first: https://www.youtube.com/watch?v=u5HAYVHsasc

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