typed arrays working again

js/materials/DMAMaterial.js

@@ -477,12 +477,8 @@ define(['underscore', 'appState', 'three'], function(_, appState, THREE){
         return this.properties.density;
     };
 
-    DMAMaterial.prototype.getElasticMod = function(){
-        return this.properties.elasMod*1000000000;
-    };
-
-    DMAMaterial.prototype.getK = function(){
-        return this.properties.k;
+    DMAMaterial.prototype.getLongitudalK = function(){
+        return this.properties.longitudalK;
     };
 
     DMAMaterial.prototype.getMesh = function(){

js/simulation/Sim.js

@@ -90,6 +90,7 @@ define(['three', 'underscore', 'backbone', 'threeModel', 'appState', 'lattice'],
             var dt = this.get("dtSolver")/1000000;//convert to sec
             var renderRate = this.get("dtRender");
             var runConstants = this._setRunConstants();
+            runConstants.dt = dt;
 
             three.startAnimationLoop(function(){
                 for (var i=0;i<renderRate-1;i++){