Web GL - Fake 3D Image Effect

Had fun going through this tutorial from Codrops. I created a greyscale depth map to communicate to the browser on how to make this flat photo look 3D. I attached the depth map so you can see. It was pretty tedious to adjust the depth map. Had some humorous fails.

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https://tympanus.net/codrops/2019/02/20/how-to-create-a-fake-3d-image-effect-with-webgl