refactor timer

Author: WanderWang

README.md

@@ -106,20 +106,25 @@ Paper-cli 是什么？
 
 - [ ] [支持发布到微信小游戏](https://github.com/egret-labs/egret3d/issues/5)
 - [x] [支持粒子系统](https://github.com/egret-labs/egret3d/issues/4)
-- [ ] [通过修改 index.html 中的 data-show-fps 显示和隐藏帧率面板](https://github.com/egret-labs/egret3d/issues/7)
 - [x] 修复 paper-cli 在特定情况下的 BUG
   - [x] [修复特定情况下无法执行 paper install egret3d 的BUG](https://github.com/egret-labs/egret3d/issues/6)
   - [x] [修复MacOS / Linux 系统上无法执行paper create helloworld 的 BUG](https://github.com/egret-labs/egret3d/issues/8)
 - [ ] 更详细的教程文档
 
 
+
+0.10 ( 2018.6.11 )
+------------------------
+- [ ] [通过修改 index.html 中的 data-show-fps 显示和隐藏帧率面板](https://github.com/egret-labs/egret3d/issues/7)
+- [ ] [重构声音系统](https://github.com/egret-labs/egret3d/issues/3)
+
+
 1.0 ( 2018.7 )
 ----------------------
 
 - [ ] 更完善的材质系统
 - [ ] 更完善的碰撞和物理系统
 - [ ] 向部分开发者提供 Egret3D 编辑器的内测版，代号“Paper”
-- [ ] [重构声音系统](https://github.com/egret-labs/egret3d/issues/3)
 - [ ] 性能优化
 - [ ] 统一 paper 命令行与 egret 命令行
 

bin/egret3d.d.ts

@@ -2119,7 +2119,6 @@ declare namespace paper {
         private static _unscaledDeltaTime;
         static initialize(): void;
         static update(timer?: number): void;
-        static readonly now: number;
         static readonly frameCount: number;
         static readonly time: number;
         static readonly unscaledTime: number;

bin/egret3d.js

@@ -4039,28 +4039,15 @@ var paper;
         function Time() {
         }
         Time.initialize = function () {
-            this._lastTimer = this._beginTimer = this.now;
+            this._lastTimer = this._beginTimer = Date.now() * 0.001;
         };
         Time.update = function (timer) {
-            var now = timer || this.now;
+            var now = timer || Date.now() * 0.001;
             this._frameCount += 1;
             this._unscaledTime = now - this._beginTimer;
             this._unscaledDeltaTime = now - this._lastTimer;
             this._lastTimer = now;
         };
-        Object.defineProperty(Time, "now", {
-            get: function () {
-                if (window.performance) {
-                    return window.performance.now() * 0.001;
-                }
-                else if (Date.now) {
-                    return Date.now() * 0.001;
-                }
-                return new Date().getTime() * 0.001;
-            },
-            enumerable: true,
-            configurable: true
-        });
         Object.defineProperty(Time, "frameCount", {
             get: function () {
                 return this._frameCount;

bin/egret3d.min.js

@@ -2,40 +2,28 @@ namespace paper {
 
     export class Time {
 
-        public static timeScale: number = 1.0;
+        public static timeScale = 1.0;
 
-        private static _frameCount: number = 0;
-        private static _lastTimer: number = 0.0;
-        private static _beginTimer: number = 0.0;
-        private static _unscaledTime: number = 0.0;
-        private static _unscaledDeltaTime: number = 0.0;
+        private static _frameCount = 0;
+        private static _lastTimer = 0.0;
+        private static _beginTimer = 0.0;
+        private static _unscaledTime = 0.0;
+        private static _unscaledDeltaTime = 0.0;
 
 
         public static initialize(): void {
-            this._lastTimer = this._beginTimer = this.now;
+            this._lastTimer = this._beginTimer = Date.now() * 0.001;
         }
 
 
         public static update(timer?: number): void {
-            const now = timer || this.now;
+            const now = timer || Date.now() * 0.001;
             this._frameCount += 1;
             this._unscaledTime = now - this._beginTimer;
             this._unscaledDeltaTime = now - this._lastTimer;
             this._lastTimer = now;
         }
 
-
-        public static get now(): number {
-            if (window.performance) {
-                return window.performance.now() * 0.001;
-            }
-            else if (Date.now) {
-                return Date.now() * 0.001;
-            }
-
-            return new Date().getTime() * 0.001;
-        }
-
         public static get frameCount() {
             return this._frameCount;
         }