"&" and ">>" number operator in C++?

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The code directly translates to JS with the removal of the (int) typecast and the replacement of int with let/var/const.

let tx = (texWidth * (floorX - cellX)) & (texWidth - 1);    
color = (color >> 1) & 8355711; // make a bit darker

& is the bitwise and, >> is the bitshift right, explained well here.

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