I am tired of Wordpress, I switch to Kirby! For the template, I am trying one based on Bootstrap, I hope it will work fine.

OpenGL 2D Facade (25): Get the Z of a pixel - I show how to get the z of a pixel using the OpenGL Z-Buffer. I use it to identify the tile below the mouse cursor. This approach is faster than ray casting, as it let the GPU do the job!

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