tween.js - npm Package Compare versions

Comparing version 16.3.4 to 16.3.5

package.json

 {
   "name": "tween.js",
   "description": "Super simple, fast and easy to use tweening engine which incorporates optimised Robert Penner's equations.",
-  "version": "16.3.4",
+  "version": "16.3.5",
   "main": "src/Tween.js",
@@ -22,5 +22,5 @@ "homepage": "https://github.com/tweenjs/tween.js",
     "test": "npm run test-unit && npm run test-correctness && npm run test-style",
-    "test-unit": "nodeunit $(pwd)/test/unit/nodeunitheadless.js",
-    "test-correctness": "jshint --config $(pwd)/test/jshintrc $(pwd)/src/Tween.js",
-    "test-style": "jscs --config $(pwd)/test/jscs.json $(pwd)/src/Tween.js",
+    "test-unit": "nodeunit test/unit/nodeunitheadless.js",
+    "test-correctness": "jshint --config test/jshintrc src/Tween.js",
+    "test-style": "jscs --config test/jscs.json src/Tween.js",
     "semantic-release": "semantic-release pre && npm publish && semantic-release post"
@@ -27,0 +27,0 @@ },

README.md

@@ -1,2 +0,2 @@
-# tween.js  
+# tween.js
 
@@ -70,3 +70,3 @@ JavaScript tweening engine for easy animations, incorporating optimised Robert Penner's equations.
 
-Then reference the library source: 
+Then reference the library source:
 
@@ -134,2 +134,3 @@ ```html
 
+[![A-Frame VR](http://tweenjs.github.io/tween.js/assets/projects/10_aframe.png)](https://aframe.io)
 [![MOMA Inventing Abstraction 1910-1925](http://tweenjs.github.io/tween.js/assets/projects/09_moma.png)](http://www.moma.org/interactives/exhibitions/2012/inventingabstraction/)
@@ -136,0 +137,0 @@ [![Web Lab](http://tweenjs.github.io/tween.js/assets/projects/08_web_lab.png)](http://www.chromeweblab.com/)

src/Tween.js

@@ -10,25 +10,2 @@ /**
 
-// Include a performance.now polyfill
-(function () {
-
-	if ('performance' in window === false) {
-		window.performance = {};
-	}
-
-	// IE 8
-	Date.now = (Date.now || function () {
-		return new Date().getTime();
-	});
-
-	if ('now' in window.performance === false) {
-		var offset = window.performance.timing && window.performance.timing.navigationStart ? window.performance.timing.navigationStart
-		                                                                                    : Date.now();
-
-		window.performance.now = function () {
-			return Date.now() - offset;
-		};
-	}
-
-})();
-
 var TWEEN = TWEEN || (function () {
@@ -68,3 +45,3 @@
 
-		update: function (time) {
+		update: function (time, preserve) {
 
@@ -77,7 +54,7 @@ if (_tweens.length === 0) {
 
-			time = time !== undefined ? time : window.performance.now();
+			time = time !== undefined ? time : TWEEN.now();
 
 			while (i < _tweens.length) {
 
-				if (_tweens[i].update(time)) {
+				if (_tweens[i].update(time) || preserve) {
 					i++;
@@ -97,2 +74,36 @@ } else {
 
+
+// Include a performance.now polyfill
+(function () {
+	// In node.js, use process.hrtime.
+	if (this.window === undefined && this.process !== undefined) {
+		TWEEN.now = function () {
+			var time = process.hrtime();
+
+			// Convert [seconds, microseconds] to milliseconds.
+			return time[0] * 1000 + time[1] / 1000;
+		};
+	}
+	// In a browser, use window.performance.now if it is available.
+	else if (this.window !== undefined &&
+	         window.performance !== undefined &&
+		 window.performance.now !== undefined) {
+
+		// This must be bound, because directly assigning this function
+		// leads to an invocation exception in Chrome.
+		TWEEN.now = window.performance.now.bind(window.performance);
+	}
+	// Use Date.now if it is available.
+	else if (Date.now !== undefined) {
+		TWEEN.now = Date.now;
+	}
+	// Otherwise, use 'new Date().getTime()'.
+	else {
+		TWEEN.now = function () {
+			return new Date().getTime();
+		};
+	}
+})();
+
+
 TWEEN.Tween = function (object) {
@@ -145,3 +156,3 @@
 
-		_startTime = time !== undefined ? time : window.performance.now();
+		_startTime = time !== undefined ? time : TWEEN.now();
 		_startTime += _delayTime;
@@ -324,3 +335,3 @@
 
-					if (end.startsWith('+') || end.startsWith('-')) {
+					if (end.charAt(0) === '+' || end.charAt(0) === '-') {
 						end = start + parseFloat(end, 10);
@@ -606,6 +617,2 @@ } else {
 
-			var s;
-			var a = 0.1;
-			var p = 0.4;
-
 			if (k === 0) {
@@ -619,11 +626,4 @@ return 0;
 
-			if (!a || a < 1) {
-				a = 1;
-				s = p / 4;
-			} else {
-				s = p * Math.asin(1 / a) / (2 * Math.PI);
-			}
+			return -Math.pow(2, 10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI);
 
-			return - (a * Math.pow(2, 10 * (k -= 1)) * Math.sin((k - s) * (2 * Math.PI) / p));
-
 		},
@@ -633,6 +633,2 @@
 
-			var s;
-			var a = 0.1;
-			var p = 0.4;
-
 			if (k === 0) {
@@ -646,11 +642,4 @@ return 0;
 
-			if (!a || a < 1) {
-				a = 1;
-				s = p / 4;
-			} else {
-				s = p * Math.asin(1 / a) / (2 * Math.PI);
-			}
+			return Math.pow(2, -10 * k) * Math.sin((k - 0.1) * 5 * Math.PI) + 1;
 
-			return (a * Math.pow(2, - 10 * k) * Math.sin((k - s) * (2 * Math.PI) / p) + 1);
-
 		},
@@ -660,6 +649,2 @@
 
-			var s;
-			var a = 0.1;
-			var p = 0.4;
-
 			if (k === 0) {
@@ -673,14 +658,9 @@ return 0;
 
-			if (!a || a < 1) {
-				a = 1;
-				s = p / 4;
-			} else {
-				s = p * Math.asin(1 / a) / (2 * Math.PI);
-			}
+			k *= 2;
 
-			if ((k *= 2) < 1) {
-				return - 0.5 * (a * Math.pow(2, 10 * (k -= 1)) * Math.sin((k - s) * (2 * Math.PI) / p));
+			if (k < 1) {
+				return -0.5 * Math.pow(2, 10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI);
 			}
 
-			return a * Math.pow(2, -10 * (k -= 1)) * Math.sin((k - s) * (2 * Math.PI) / p) * 0.5 + 1;
+			return 0.5 * Math.pow(2, -10 * (k - 1)) * Math.sin((k - 1.1) * 5 * Math.PI) + 1;
 
@@ -687,0 +667,0 @@ }

No alert changes

Improved metrics

Number of lines in readme file

152

increased by0.66%

Worsened metrics

Total package byte prevSize

23461

decreased by-0.41%

Lines of code

538

decreased by-2.54%

No dependency changes