28 lines
645 B
JavaScript
28 lines
645 B
JavaScript
/**
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* Compute the euclidean distance between two points
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* @param {Point} p1
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* @param {Point} p2
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*/
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export function computeDist(p1, p2) {
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return Math.sqrt(Math.pow(p1.x - p2.x, 2) + Math.pow(p1.y - p2.y, 2));
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}
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/**
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* Return the current time in ms since 1970
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* @returns {number}
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*/
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export function getCurrentTimeMs() {
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return new Date().getTime();
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}
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export function getSubDir() {
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const url = document.URL.substr(0, document.URL.lastIndexOf("/"));
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const urlSplit = url.split("/");
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let subdir = "";
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for (let i = 3; i < urlSplit.length; i++) {
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subdir = subdir + "/" + urlSplit[i];
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}
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return subdir;
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}
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