From 415dceb52422a126a9f687c2aea4f3df20c09da4 Mon Sep 17 00:00:00 2001
From: Jeremiah Billmann <jcbillmann@yahoo.com>
Date: Mon, 1 Jul 2013 21:45:21 -0400
Subject: [PATCH] Progress:  Delta time & fixed timestep

---
 client/garageserver.io.js          | 7 -------
 example/public/javascripts/game.js | 2 +-
 lib/server/garageserver.io.js      | 3 +--
 3 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/client/garageserver.io.js b/client/garageserver.io.js
index cb6a34f..03e9988 100644
--- a/client/garageserver.io.js
+++ b/client/garageserver.io.js
@@ -23,8 +23,6 @@ window.GarageServerIO = (function (window, socketio) {
         this.state = {};
         this.clientTime;
         this.renderTime;
-        this.deltaTime = 0;
-        this.tickerTime = new Date().getTime(),
         this.physicsDelta;
         this.playerId;
         this.pingDelay = 100;
@@ -231,7 +229,6 @@ window.GarageServerIO = (function (window, socketio) {
 
         addPlayerInput = function (clientInput) {
             _inputController.addInput(clientInput);
-
             if (_options.clientSidePrediction && _options.onUpdatePlayerPhysics) {
                 _stateController.state = _options.onUpdatePlayerPhysics(_stateController.state, [{ input: clientInput }], _stateController.physicsDelta);
             }
@@ -288,10 +285,6 @@ window.GarageServerIO = (function (window, socketio) {
         },
 
         getPlayerStates = function (stateCallback) {
-            var newTickTime = new Date().getTime();
-            _stateController.deltaTime = newTickTime - _stateController.tickerTime;
-            _stateController.tickerTime = newTickTime;
-
             if(_options.interpolation && _options.onInterpolation) {
                 getPlayerStatesInterpolated(stateCallback);
             }
diff --git a/example/public/javascripts/game.js b/example/public/javascripts/game.js
index c7e8328..38359e0 100644
--- a/example/public/javascripts/game.js
+++ b/example/public/javascripts/game.js
@@ -40,7 +40,7 @@ $(function () {
             ctxGameCanvas.clearRect(0, 0, gameCanvas.width, gameCanvas.height);
 
             GarageServerIO.getPlayerStates(function (state) {
-                ctxGameCanvas.fillRect(state.x, state.y, 10, 10);
+                ctxGameCanvas.fillRect(state.x, state.y, 15, 15);
             });
         },
 
diff --git a/lib/server/garageserver.io.js b/lib/server/garageserver.io.js
index bc14934..8aded4a 100644
--- a/lib/server/garageserver.io.js
+++ b/lib/server/garageserver.io.js
@@ -16,7 +16,6 @@ options = {
 
 function GarageServer (socketio, options) {
     this.io = socketio;
-    this.physicsDelta = (options.physicsInterval ? options.physicsInterval : 15) / 1000;
     this.game = new garageServerGame.createGame(options);
     this.registerSocketEvents(options);
 }
@@ -28,7 +27,7 @@ GarageServer.prototype.registerSocketEvents = function (options) {
         if (options.logging) {
             console.log('garageserver.io:: socket ' + socket.id + ' connection');
         }
-        socket.emit('state', { physicsDelta: self.physicsDelta });
+        socket.emit('state', { physicsDelta: (options.physicsInterval ? options.physicsInterval : 15) / 1000 });
         self.onPlayerConnect(socket, options);
 
         socket.on('disconnect', function () {