Working through setting the Tween values.

v3/src/tween/GetEaseFunction.js

@@ -0,0 +1,23 @@
+var EaseMap = require('../math/easing/EaseMap');
+
+var GetEaseFunction = function (ease)
+{
+    if (typeof ease === 'string' && EaseMap.hasOwnProperty(ease))
+    {
+        //  String based look-up
+        return EaseMap[ease];
+    }
+    else if (typeof ease === 'function')
+    {
+        //  Custom function
+        return ease;
+    }
+    else if (Array.isArray(ease) && ease.length === 4)
+    {
+        //  Bezier function (TODO)
+    }
+
+    return EaseMap.Power0;
+};
+
+module.exports = GetEaseFunction;

v3/src/tween/Tween.js

@@ -1,4 +1,6 @@
 var GetValue = require('../utils/object/GetValue');
+var GetEaseFunction = require('./GetEaseFunction');
+var CloneObject = require('../utils/object/Clone');
 var TweenData = require('./TweenData');
 
 var RESERVED = [ 'targets', 'ease', 'duration', 'yoyo', 'repeat', 'loop', 'paused', 'useFrames', 'offset' ];
@@ -69,7 +71,13 @@ var Tween = function (manager, config)
 
     this.targets = this.setTargets(GetValue(config, 'targets', null));
 
-    this.ease;
+    //  The properties on the targets that are being tweened.
+    //  The properties are tween simultaneously.
+    //  This object contains the properties which each has an array of TweenData objects,
+    //  that are updated in sequence.
+    this.props = {};
+
+    this.ease = GetEaseFunction(GetValue(config, 'ease', 'Power0'));
 
     this.duration = GetValue(config, 'duration', 1000);
 
@@ -78,9 +86,29 @@ var Tween = function (manager, config)
 
     this.yoyo = GetValue(config, 'yoyo', false);
     this.repeat = GetValue(config, 'repeat', 0);
+    this.delay = GetValue(config, 'delay', 0);
+    this.onCompleteDelay = GetValue(config, 'onCompleteDelay', 0);
 
-    // same as repeat -1 (if set, overrides repeat value)
-    this.loop = GetValue(config, 'loop', undefined);
+    //  Short-cut for repeat -1 (if set, overrides repeat value)
+    this.loop = GetValue(config, 'loop', false);
+
+    if (this.repeat === -1)
+    {
+        this.loop = true;
+    }
+
+    this.defaultTweenData = {
+        value: undefined,
+        progress: 0,
+        startTime: 0,
+        ease: this.ease,
+        duration: this.duration,
+        yoyo: this.yoyo,
+        repeat: this.repeat,
+        loop: this.loop,
+        delay: this.delay,
+        startAt: undefined
+    };
 
     this.paused = GetValue(config, 'paused', false);
 
@@ -104,6 +132,8 @@ var Tween = function (manager, config)
 
     this.callbackScope;
 
+    this.buildTweenData(config);
+
 };
 
 Tween.prototype.constructor = Tween;
@@ -112,6 +142,48 @@ Tween.prototype = {
 
     //  Move to own functions
 
+    getV: function (obj, key)
+    {
+        if (obj.hasOwnProperty(key))
+        {
+            return obj[key];
+        }
+        else if (this[key])
+        {
+            return this[key];
+        }
+    },
+
+    buildTweenData: function (config)
+    {
+        //  For now let's just assume `config.props` is being used:
+
+        // this.defaultTweenData = {
+        //     value: undefined,
+        //     progress: 0,
+        //     startTime: 0,
+        //     ease: this.ease,
+        //     duration: this.duration,
+        //     yoyo: this.yoyo,
+        //     repeat: this.repeat,
+        //     loop: this.loop,
+        //     delay: this.delay,
+        //     startAt: undefined
+        // };
+
+        for (var key in config.props)
+        {
+            var data = CloneObject(this.defaultTweenData);
+
+            this.props[key] = 
+        }
+    },
+
+    update: function (timestep, delta)
+    {
+
+    },
+
     setTargets: function (targets)
     {
         if (typeof targets === 'function')

v3/src/tween/TweenData.js

@@ -1,9 +1,10 @@
+/*
 var TweenData = function (parent)
 {
     this.tween = parent;
 
     this.property;
-    
+
     this.value;
 
     this.ease;
@@ -23,6 +24,26 @@ TweenData.prototype = {
 
 
 
+};
+*/
+
+//  Could this just be a data bag?
+
+var TweenData = function (config)
+{
+    this.property = ;
+
+    this.value;
+
+    this.ease;
+    this.duration;
+    this.yoyo;
+    this.repeat;
+    this.delay;
+    this.startAt;
+    this.onCompleteDelay;
+    this.elasticity;
+
 };
 
 module.exports = TweenData;