crush2bits/crush2bits.js

aught-bitcrush simulator

module.exports = function (bit) {
	  return function(n){
		  if (isNaN(n)) return 0;
	    var z = 2 / (Math.pow(2, bit));
	    var b = Math.pow(2, bit - 1);
	    return n > 0
	        ? Math.min(b - 1, Math.floor((b * n) - 1)) * z
	        : Math.max(-b, Math.ceil((b * n) - 1)) * z
	    ;
  	}
}