From 38171795f5fadf7230b4d3e11d934617ac775ed3 Mon Sep 17 00:00:00 2001
From: photonstorm <rdavey@gmail.com>
Date: Fri, 28 Jul 2017 15:53:28 +0100
Subject: [PATCH] Maximum FPS rate removed from TimeStep. When the delta resets
 it now resets to zero. Target FPS used as limiter during recovery from
 browser raf idle period.

---
 v3/src/boot/TimeStep.js | 12 ++++--------
 v3/src/checksum.js      |  2 +-
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/v3/src/boot/TimeStep.js b/v3/src/boot/TimeStep.js
index 2b70c0570..a84582e9e 100644
--- a/v3/src/boot/TimeStep.js
+++ b/v3/src/boot/TimeStep.js
@@ -7,7 +7,6 @@ var RequestAnimationFrame = require('../dom/RequestAnimationFrame');
 //      fps: {
 //          min: 10,
 //          target: 60,
-//          max: 120
 //          forceSetTimeOut: false,
 //          deltaHistory: 10,
 //          panicMax: 120
@@ -29,11 +28,9 @@ var TimeStep = new Class({
         this.running = false;
         
         this.minFps = GetValue(config, 'min', 5);
-        this.maxFps = GetValue(config, 'max', 120);
         this.targetFps = GetValue(config, 'target', 60);
 
         this._min = 1000 / this.minFps;         //  200ms between frames (i.e. super slow!)
-        this._max = 1000 / this.maxFps;         //  8.333ms between frames (i.e. super fast, 120Hz displays)
         this._target = 1000 / this.targetFps;   //  16.666ms between frames (i.e. normal)
 
         //  200 / 1000 = 0.2 (5fps)
@@ -124,7 +121,7 @@ var TimeStep = new Class({
 
         for (var i = 0; i < this.deltaSmoothingMax; i++)
         {
-            this.deltaHistory[i] = this._target;
+            this.deltaHistory[i] = 0;
         }
 
         this.delta = 0;
@@ -185,8 +182,7 @@ var TimeStep = new Class({
             // debug = (time - this.lastTime);
         }
 
-        //  min / max range (yes, the < and > should be this way around)
-        if (dt > this._min || dt < this._max)
+        if (dt > this._min)
         {
             //  Probably super bad start time or browser tab context loss,
             //  so use the last 'sane' dt value
@@ -195,8 +191,8 @@ var TimeStep = new Class({
 
             dt = history[idx];
 
-            //  Clamp delta to min max range (in case history has become corrupted somehow)
-            dt = Math.max(Math.min(dt, this._max), this._min);
+            //  Clamp delta to min (in case history has become corrupted somehow)
+            dt = Math.min(dt, this._min);
         }
 
         //  Smooth out the delta over the previous X frames
diff --git a/v3/src/checksum.js b/v3/src/checksum.js
index ad5f5050c..105af5c2b 100644
--- a/v3/src/checksum.js
+++ b/v3/src/checksum.js
@@ -1,4 +1,4 @@
 var CHECKSUM = {
-build: 'f30debd0-733b-11e7-b23c-ef3e3e85b72b'
+build: 'dd878880-73a3-11e7-bde8-3599ac24a2cf'
 };
 module.exports = CHECKSUM;
\ No newline at end of file