added lengthSq and distanceSq functions. those are un-squarerooted (or squared) versions of their subling functions to increase performance when those values are only needed for comparison. one less Math.squrt
added lengthSq and distanceSq functions. those are un-squarerooted (or squared) versions of their subling functions to increase performance when those values are only needed for comparison. one less Math.squrt

maxkueng/victor,rezonant/victor