优化框架性能，Time支持传入引擎dt

2021-05-13 16:58:24 +08:00
parent 84922794fb
commit 9c7703eb2d
11 changed files with 374 additions and 417 deletions
--- a/source/src/ECS/Utils/Time.ts
+++ b/source/src/ECS/Utils/Time.ts
@@ -18,12 +18,19 @@ module es {
        private static _lastTime = -1;

        public static update(currentTime: number) {
-            if (currentTime == -1)
+            if (currentTime == -1) {
                currentTime = Date.now();
+            }
            if (this._lastTime == -1)
                this._lastTime = currentTime;

-            let dt = (currentTime - this._lastTime) / 1000;
+            let dt = 0;
+            if (currentTime == -1) {
+                dt = (currentTime - this._lastTime) / 1000;
+            } else {
+                dt = currentTime;
+            }
+            
            if (dt > this.maxDeltaTime)
                dt = this.maxDeltaTime;
            this.totalTime += dt;