Initial commit

Js/Common.js

@@ -0,0 +1,53 @@
+'use strict';
+
+var rootUrl = `${window.location.protocol}//${window.location.host}/`
+
+class commonFunctions {	
+	static getFileText(file) {
+		return new Promise((resolve, reject) => {
+			fetch(file)
+			.then((success) => {
+				success.text()
+				.then((text) => {
+					resolve(text);
+				});
+			}, (failure) => {
+				reject(failure);
+			});
+		});
+	}
+	
+	static getFileJson(file) {
+		return new Promise((resolve, reject) => {
+			fetch(file)
+			.then((success) => {
+				success.json()
+				.then((json) => {
+					resolve(json);
+				});
+			}, (failure) => {
+				reject(failure);
+			});
+		});
+	}
+	
+	static readLine(line, headers) {
+		if(line.startsWith('//')) {
+			return {comment: line};
+		} else if(!line) {
+			return undefined;
+		} else {
+			var split = line.split('\t');
+			var newEntry = {};
+			for(let i = 0; i < split.length; ++i) {
+				var x = split[i];
+				newEntry[headers[i]] = x;
+			}
+			return newEntry;
+		}
+	}
+	
+	static lerp(start, end, t) {
+		return (1 - t) * start + t * end;
+	}
+}