diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..5171c540
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+node_modules
+npm-debug.log
\ No newline at end of file
diff --git a/README.md b/README.md
index fad423fa..dd433027 100644
--- a/README.md
+++ b/README.md
@@ -1,45 +1,24 @@
 
 # Project 4: Shape Grammar
 
-For this assignment you'll be building directly off of Project 3. To make things easier to keep track of, please fork and clone this repository [https://github.com/CIS700-Procedural-Graphics/Project4-Shape-Grammar](https://github.com/CIS700-Procedural-Graphics/Project4-Shape-Grammar) and copy your Project 3 code to start.
-
-**Goal:** to model an urban environment using a shape grammar. 
-
-**Note:** We’re well aware that a nice-looking procedural city is a lot of work for a single week. Focus on designing a nice building grammar. The city layout strategies outlined in class (the extended l-systems) are complex and not expected. We will be satisfied with something reasonably simple, just not a uniform grid!
-
-## Symbol Node (5 points)
-Modify your symbol node class to include attributes necessary for rendering, such as
-- Associated geometry instance
-- Position
-- Scale 
-- Anything else you may need
-
-## Grammar design (55 points)
-- Design at least five shape grammar rules for producing procedural buildings. Your buildings should vary in geometry and decorative features (beyond just differently-scaled cubes!). At least some of your rules should create child geometry that is in some way dependent on its parent’s state. (20 points)
-    - Eg. A building may be subdivided along the x, y, or z axis into two smaller buildings
-    - Some of your rules must be designed to use some property about its location. (10 points)
-    - Your grammar should have some element of variation so your buildings are non-deterministic.  Eg. your buildings sometimes subdivide along the x axis, and sometimes the y. (10 points)   
-- Write a renderer that will interpret the results of your shape grammar parser and adds the appropriate geometry to your scene for each symbol in your set. (10 points)
-
-## Create a city (30 points)
-- Add a ground plane or some other base terrain to your scene (0 points, come on now)
-- Using any strategy you’d like, procedurally generate features that demarcate your city into different areas in an interesting and plausible way (Just a uniform grid is neither interesting nor plausible). (20 points)
-    - Suggestions: roads, rivers, lakes, parks, high-population density
-    - Note, these features don’t have to be directly visible, like high-population density, but they should somehow be visible in the appearance or arrangement of your buildings. Eg. High population density is more likely to generate taller buildings
-- Generate buildings throughout your city, using information about your city’s features. Color your buildings with a method that uses some aspect of its state. Eg. Color buildings by height, by population density, by number of rules used to generate it. (5 points)
-- Document your grammar rules and general approach in the readme. (5 points)
-- ???
-- Profit.
-
-## Make it interesting (10)
-Experiment! Make your city a work of art.
-
-
-## Warnings:
-You can very easily blow up three.js with this assignment. With a very simple grammar, our medium quality machine was able to handle 100 buildings with 6 generations each, but be careful if you’re doing this all CPU-side.
-
-## Suggestions for the overachievers:
-Go for a very high level of decorative detail!
-Place buildings with a strategy such that buildings have doors and windows that are always accessible.
-Generate buildings with coherent interiors
-If dividing your city into lots, generate odd-shaped lots and create building meshes that match their shape ie. rather than working with cubes, extrude upwards from the building footprints you find to generate a starting mesh to subdivide rather than starting with platonic geometry.
+[MINIS-TIRITH](https://mccannd.github.io/Project4-Shape-Grammar/) 
+
+Mini-Minas Tirith!
+
+Controls:
+-Iterate to advance the shape grammar stage
+-Clear to completely reset the city.
+-Volume to adjust the music
+
+Grammar rules:
+-Each floor / tier will distribute houses radially according to a 'population map' which coincidentally modeled by perlin noise
+-Walls can spawn towers and emplacements
+-Emplacements can spawn more houses
+-Houses can subdivide into more houses or halt with a roof
+-The city will boost by one tier each iteration
+
+Other notes:
+- Light is using shadow-mapping a directional light, and a hemisphere light. No custom shaders until I can figure out how to access the map
+- Merging all of the meshes into one call is very helpful
+- The mountain terrain is procedurally generated as well
+- Once the city reaches its full height, a particular movie scene plays...
\ No newline at end of file
diff --git a/deploy.js b/deploy.js
new file mode 100644
index 00000000..9defe7c3
--- /dev/null
+++ b/deploy.js
@@ -0,0 +1,38 @@
+var colors = require('colors');
+var path = require('path');
+var git = require('simple-git')(__dirname);
+var deploy = require('gh-pages-deploy');
+var packageJSON = require('require-module')('./package.json');
+
+var success = 1;
+git.fetch('origin', 'master', function(err) {
+    if (err) throw err;
+    git.status(function(err, status) {
+        if (err) throw err;
+        if (!status.isClean()) {
+            success = 0;
+            console.error('Error: You have uncommitted changes! Please commit them first'.red);   
+        }
+
+        if (status.current !== 'master') {
+            success = 0;
+            console.warn('Warning: Please deploy from the master branch!'.yellow)
+        }
+
+        git.diffSummary(['origin/master'], function(err, diff) {
+            if (err) throw err;
+
+            if (diff.files.length || diff.insertions || diff.deletions) {
+                success = 0;
+                console.error('Error: Current branch is different from origin/master! Please push all changes first'.red)
+            }
+
+            if (success) {
+                var cfg = packageJSON['gh-pages-deploy'] || {};
+                var buildCmd = deploy.getFullCmd(cfg);
+                deploy.displayCmds(deploy.getFullCmd(cfg));
+                deploy.execBuild(buildCmd, cfg);
+            }
+        })
+    })
+})
\ No newline at end of file
diff --git a/index.html b/index.html
new file mode 100644
index 00000000..46609dd5
--- /dev/null
+++ b/index.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>HW4: ShapeGrammars</title>
+    <style>
+      html, body {
+        margin: 0;
+        overflow: hidden;
+      }
+      canvas {
+        width: 100%;
+        height: 100%;
+      }
+    </style>
+  </head>
+  <body>
+    <script src="bundle.js"></script>
+  </body>
+</html>
diff --git a/package.json b/package.json
new file mode 100644
index 00000000..be683fcb
--- /dev/null
+++ b/package.json
@@ -0,0 +1,31 @@
+{
+  "scripts": {
+    "start": "webpack-dev-server --hot --inline",
+    "build": "webpack",
+    "deploy": "node deploy.js"
+  },
+  "gh-pages-deploy": {
+    "prep": [
+      "build"
+    ],
+    "noprompt": true
+  },
+  "dependencies": {
+    "dat-gui": "^0.5.0",
+    "gl-matrix": "^2.3.2",
+    "stats-js": "^1.0.0-alpha1",
+    "three": "^0.82.1",
+    "three-orbit-controls": "^82.1.0"
+  },
+  "devDependencies": {
+    "babel-core": "^6.18.2",
+    "babel-loader": "^6.2.8",
+    "babel-preset-es2015": "^6.18.0",
+    "colors": "^1.1.2",
+    "gh-pages-deploy": "^0.4.2",
+    "simple-git": "^1.65.0",
+    "webpack": "^1.13.3",
+    "webpack-dev-server": "^1.16.2",
+    "webpack-glsl-loader": "^1.0.1"
+  }
+}
diff --git a/resources/angleroof.obj b/resources/angleroof.obj
new file mode 100644
index 00000000..5fcac4b0
--- /dev/null
+++ b/resources/angleroof.obj
@@ -0,0 +1,438 @@
+# This file uses centimeters as units for non-parametric coordinates.
+
+mtllib angleroof.mtl
+g default
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+usemtl initialShadingGroup
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diff --git a/resources/archdoor.obj b/resources/archdoor.obj
new file mode 100644
index 00000000..136f1d41
--- /dev/null
+++ b/resources/archdoor.obj
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diff --git a/resources/arches.obj b/resources/arches.obj
new file mode 100644
index 00000000..5557e149
--- /dev/null
+++ b/resources/arches.obj
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--- /dev/null
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@@ -0,0 +1,295 @@
+# This file uses centimeters as units for non-parametric coordinates.
+
+mtllib emplacement.mtl
+g default
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diff --git a/resources/gondor.mp3 b/resources/gondor.mp3
new file mode 100644
index 00000000..56f2e19d
Binary files /dev/null and b/resources/gondor.mp3 differ
diff --git a/resources/ring.obj b/resources/ring.obj
new file mode 100644
index 00000000..30ec5f4f
--- /dev/null
+++ b/resources/ring.obj
@@ -0,0 +1,435 @@
+# This file uses centimeters as units for non-parametric coordinates.
+
+mtllib ring.mtl
+g default
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new file mode 100644
index 00000000..527a040d
--- /dev/null
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diff --git a/src/framework.js b/src/framework.js
new file mode 100644
index 00000000..9cfcd1b4
--- /dev/null
+++ b/src/framework.js
@@ -0,0 +1,75 @@
+
+const THREE = require('three');
+const OrbitControls = require('three-orbit-controls')(THREE)
+import Stats from 'stats-js'
+import DAT from 'dat-gui'
+
+// when the scene is done initializing, the function passed as `callback` will be executed
+// then, every frame, the function passed as `update` will be executed
+function init(callback, update) {
+  var stats = new Stats();
+  stats.setMode(1);
+  stats.domElement.style.position = 'absolute';
+  stats.domElement.style.left = '0px';
+  stats.domElement.style.top = '0px';
+  document.body.appendChild(stats.domElement);
+
+  var gui = new DAT.GUI();
+
+  var framework = {
+    gui: gui,
+    stats: stats
+  };
+
+  // run this function after the window loads
+  window.addEventListener('load', function() {
+
+    var scene = new THREE.Scene();
+    var camera = new THREE.PerspectiveCamera( 75, window.innerWidth/window.innerHeight, 0.1, 1000 );
+    var renderer = new THREE.WebGLRenderer( { antialias: true } );
+    renderer.setPixelRatio(window.devicePixelRatio);
+    renderer.setSize(window.innerWidth, window.innerHeight);
+    renderer.setClearColor(0x020202, 0);
+
+    var controls = new OrbitControls(camera, renderer.domElement);
+    controls.enableDamping = true;
+    controls.enableZoom = true;
+    controls.target.set(0, 0, 0);
+    controls.rotateSpeed = 0.3;
+    controls.zoomSpeed = 1.0;
+    controls.panSpeed = 2.0;
+
+    document.body.appendChild(renderer.domElement);
+
+    // resize the canvas when the window changes
+    window.addEventListener('resize', function() {
+      camera.aspect = window.innerWidth / window.innerHeight;
+      camera.updateProjectionMatrix();
+      renderer.setSize(window.innerWidth, window.innerHeight);
+    });
+
+    // assign THREE.js objects to the object we will return
+    framework.scene = scene;
+    framework.camera = camera;
+    framework.renderer = renderer;
+
+    // begin the animation loop
+    (function tick() {
+      stats.begin();
+      update(framework); // perform any requested updates
+      renderer.render(scene, camera); // render the scene
+      stats.end();
+      requestAnimationFrame(tick); // register to call this again when the browser renders a new frame
+    })();
+
+    // we will pass the scene, gui, renderer, camera, etc... to the callback function
+    return callback(framework);
+  });
+}
+
+export default {
+  init: init
+}
+
+export const PI = 3.14159265
+export const e = 2.7181718
\ No newline at end of file
diff --git a/src/main.js b/src/main.js
new file mode 100644
index 00000000..16c2777d
--- /dev/null
+++ b/src/main.js
@@ -0,0 +1,188 @@
+
+const THREE = require('three'); // older modules are imported like this. You shouldn't have to worry about this much
+import Framework from './framework'
+import GrammarSystem from './shapeGrammar.js'
+import {getNoise} from './noise.js'
+
+// the shape grammar
+var city;
+var iterations = 0;
+var animPlayed = false;
+
+var lastTime = Date.now();
+
+var pic = THREE.ImageUtils.loadTexture('./resources/denethor.jpg');
+
+var settings = {
+  volume: 0.5
+};
+
+// curve helpers for terrain deformation
+function bias(b, t) {
+    return Math.pow(t, Math.log(b) / Math.log(0.5));
+}
+
+function gain(g, t) {
+
+    if(t < 0.5) return bias(t * 2.0, g) / 2.0;
+    else return bias(t * 2.0 - 1.0,1.0 - g) / 2.0 + 0.5;
+}
+
+
+// called after the scene loads
+function onLoad(framework) {
+  var scene = framework.scene;
+  var camera = framework.camera;
+  var renderer = framework.renderer;
+  var gui = framework.gui;
+  var stats = framework.stats;
+
+  scene.fog = new THREE.Fog(0xffffff, 1, 60);
+  scene.fog.color.setHSL( 0.55, 0.4, 0.8 );
+
+  // initialize a simple box and material
+  var box = new THREE.IcosahedronBufferGeometry(1, 6);
+
+  var mat = new THREE.MeshLambertMaterial();
+  var adamCube = new THREE.Mesh(box, mat);
+
+  // set camera position
+  camera.position.set(3, 5, 15);
+  camera.lookAt(new THREE.Vector3(0,0,0));
+
+  // scene.add(adamCube);
+  city = new GrammarSystem(scene);
+  city.finalizeGrammar();
+
+  makeTerrain(scene);
+
+  var audioLoader = new THREE.AudioLoader();
+  var listener = new THREE.AudioListener();
+  var sound = new THREE.Audio(listener);
+  camera.add(listener);
+
+  //Load a sound and set it as the Audio object's buffer
+  audioLoader.load( 'resources/gondor.mp3', function(buffer) {
+    sound.setBuffer(buffer);
+    sound.setLoop(true);
+    sound.setVolume(0.0);
+    sound.play();
+  }); 
+
+
+  renderer.shadowMapEnabled = true;
+  renderer.shadowMap.type = THREE.PCFSoftShadowMap;
+  //renderer.shadowMapSoft = true;
+  renderer.shadowCameraNear = 1;
+  renderer.shadowCameraFar = 50;
+  //renderer.shadowCameraFov = 50;
+  var directionalLight = new THREE.DirectionalLight( 0xffffff, 0.9 );
+  directionalLight.color.setHSL(0.1, 1, 0.95);
+  directionalLight.position.set(3, 2, 2);
+  directionalLight.position.multiplyScalar(10);
+  directionalLight.castShadow = true;
+  //directionalLight.shadowCameraVisible = true;
+  directionalLight.shadow.mapSize.width = 2048;  
+  directionalLight.shadow.mapSize.height = 2048; 
+  directionalLight.shadowCameraBottom = -25;
+  directionalLight.shadowCameraTop = 25;
+  directionalLight.shadowCameraLeft = -25;
+  directionalLight.shadowCameraRight = 25;
+  directionalLight.shadow.camera.near = 0.5;      
+  directionalLight.shadow.camera.far = 50      
+
+
+  scene.add(directionalLight);
+
+
+  var helper = new THREE.CameraHelper( directionalLight.shadow.camera );
+  //scene.add( helper );
+  var hLight = new THREE.HemisphereLight(0xeef5ff, 0x010120, 0.2);
+  scene.add(hLight);
+
+  // edit params and listen to changes like this
+  // more information here: https://workshop.chromeexperiments.com/examples/gui/#1--Basic-Usage
+  gui.add(camera, 'fov', 0, 180).onChange(function(newVal) {
+    camera.updateProjectionMatrix();
+  });
+
+  var obj = { Iterate:function(){ city.iterateGrammar(); iterations++;},
+              Clear:function(){ city.clearIterations(); iterations = 0; animPlayed = false;} };
+
+  gui.add(obj,'Iterate');
+  gui.add(obj,'Clear');
+  gui.add(settings, 'volume', 0.0, 1.0).onChange(function(newVal) {
+    sound.setVolume(newVal);
+  });
+}
+
+function makeTerrain(scene) {
+  var planeGeo = new THREE.PlaneGeometry(30, 30, 40, 40);
+  var planeMat = new THREE.MeshPhongMaterial( {
+    side: THREE.DoubleSide,
+    color: 0xaaaaaa
+  });
+  planeGeo.applyMatrix( new THREE.Matrix4().makeRotationX(-Math.PI / 2.0));
+
+  var verts = planeGeo.vertices;
+  for (var i = 0; i < verts.length; i++) {
+    var u = (verts[i].x - 15.0) / -30.0;
+    var v = (verts[i].z - 15.0) / -30.0;
+    var bv2 = bias(0.4, v);
+    var bv = bias(0.20 + 0.05 * getNoise(u, v, 6.0), gain(0.25 + 0.15 * getNoise(u, v, 6.0), v));
+    verts[i].y += bv2  * getNoise(u, v, 16.0) + bv2 * 2 * getNoise(u, v, 8.0) - 0.4 + 15.0 * bv + 0.4;
+    verts[i].z += 0.2 * getNoise(u, gain(0.40, v), 16.0);
+
+  }
+
+  planeGeo.verticesNeedUpdate = true;
+  planeGeo.computeFaceNormals();
+  planeGeo.computeVertexNormals();
+  planeGeo.normalsNeedUpdate = true;
+
+  var plane = new THREE.Mesh(planeGeo, planeMat);
+  plane.castShadow = true;
+  plane.receiveShadow = true;
+  scene.add(plane);
+}
+
+// called on frame updates
+function onUpdate(framework) {
+  var denethor = framework.scene.getObjectByName("unfortunateSteward"); 
+  var t = Date.now();
+  var dt = (t - lastTime) / 1000.0;
+  lastTime = t;
+  if (denethor !== undefined) {
+    // run denethor off the cliff
+    var vel = denethor.userdata.v;
+    denethor.position.x = dt * vel.x + denethor.position.x;
+    denethor.position.y = dt * vel.y + denethor.position.y;
+    denethor.position.z = dt * vel.z + denethor.position.z;
+    if (denethor.position.z > 8.1) {
+      denethor.userdata.v.y -= 1.1 * dt;
+    }
+
+    if (denethor.position.y <= 0) {
+      framework.scene.remove(denethor);
+      console.log("plonk");
+    }
+  } else if (iterations >= 4 && !animPlayed) {
+    // make a burning denethor
+    var geo = new THREE.BoxGeometry(0.4, 0.4, 0.4);
+    geo.applyMatrix(new THREE.Matrix4().makeTranslation(0, 0.1, 0));
+    var mat = new THREE.MeshBasicMaterial({map: pic});
+    denethor = new THREE.Mesh(geo, mat);
+    denethor.name = "unfortunateSteward";
+    denethor.userdata = {v: new THREE.Vector3(0, 0, 1)};
+    denethor.position.y = 9.0;
+    denethor.position.z = 1.0;
+    //denethor.material.color.setHex(0xff8800);
+    denethor.castShadow = true;
+    framework.scene.add(denethor);
+    console.log("AAAAAAAAAaaaaaaaaaa~....");
+    animPlayed = true;
+  }
+}
+
+// when the scene is done initializing, it will call onLoad, then on frame updates, call onUpdate
+Framework.init(onLoad, onUpdate);
\ No newline at end of file
diff --git a/src/noise.js b/src/noise.js
new file mode 100644
index 00000000..0927ec11
--- /dev/null
+++ b/src/noise.js
@@ -0,0 +1,60 @@
+const THREE = require('three');
+// gradients for improved perlin noise
+var gradients = [new THREE.Vector2(1.0, 0), new THREE.Vector2(-1.0, 0),
+      new THREE.Vector2(0, 1.0), new THREE.Vector2(0, -1.0),
+      new THREE.Vector2(0.7071, 0.7071), new THREE.Vector2(-0.7071, 0.7071),
+      new THREE.Vector2(0.7071, -0.7071), new THREE.Vector2(-0.7071, -0.7071)];
+
+// hash table for improved perlin noise
+var pHash = [151,160,137,91,90,15,
+   131,13,201,95,96,53,194,233,7,225,140,36,103,30,69,142,8,99,37,240,21,10,23,
+   190, 6,148,247,120,234,75,0,26,197,62,94,252,219,203,117,35,11,32,57,177,33,
+   88,237,149,56,87,174,20,125,136,171,168, 68,175,74,165,71,134,139,48,27,166,
+   77,146,158,231,83,111,229,122,60,211,133,230,220,105,92,41,55,46,245,40,244,
+   102,143,54, 65,25,63,161, 1,216,80,73,209,76,132,187,208, 89,18,169,200,196,
+   135,130,116,188,159,86,164,100,109,198,173,186, 3,64,52,217,226,250,124,123,
+   5,202,38,147,118,126,255,82,85,212,207,206,59,227,47,16,58,17,182,189,28,42,
+   223,183,170,213,119,248,152, 2,44,154,163, 70,221,153,101,155,167, 43,172,9,
+   129,22,39,253, 19,98,108,110,79,113,224,232,178,185, 112,104,218,246,97,228,
+   251,34,242,193,238,210,144,12,191,179,162,241, 81,51,145,235,249,14,239,107,
+   49,192,214, 31,181,199,106,157,184, 84,204,176,115,121,50,45,127, 4,150,254,
+   138,236,205,93,222,114,67,29,24,72,243,141,128,195,78,66,215,61,156,180];
+
+
+function lerp(a, b, t) {
+    return (t * b + (1.0 - t) * a);
+}
+
+//2D perlin noise
+export function getNoise(u, v, samples) {
+    var xs = u * samples;
+    var ys = v * samples;
+
+    var xlb = Math.floor(xs);
+    var ylb = Math.floor(ys);
+
+    var i = pHash[pHash[xlb + pHash[ylb]]] / 256.0;
+    var g = gradients[Math.floor(i * 8.0)];
+    var p = new THREE.Vector2(xs - xlb, ys - ylb);
+    var dll = g.dot(p);
+
+    i = pHash[pHash[xlb + 1 + pHash[ylb]]] / 256.0;
+    g = gradients[Math.floor(i * 8.0)];
+    p = new THREE.Vector2(xs - xlb - 1.0, ys - ylb);
+    var dlr = g.dot(p);
+
+    i = pHash[pHash[xlb + pHash[ylb + 1]]] / 256.0;
+    g = gradients[Math.floor(i * 8.0)];
+    p = new THREE.Vector2(xs - xlb, ys - ylb - 1.0);
+    var dul = g.dot(p);
+
+
+    i = pHash[pHash[xlb + 1 + pHash[ylb + 1]]] / 256.0;
+    g = gradients[Math.floor(i * 8.0)];
+    p = new THREE.Vector2(xs - xlb - 1.0, ys - ylb - 1.0);
+    //console.log(g);
+    var dur = g.dot(p);
+
+
+    return lerp(lerp(dll, dlr, xs - xlb), lerp(dul, dur, xs - xlb), ys - ylb);
+}
\ No newline at end of file
diff --git a/src/shapeGrammar.js b/src/shapeGrammar.js
new file mode 100644
index 00000000..3853c472
--- /dev/null
+++ b/src/shapeGrammar.js
@@ -0,0 +1,469 @@
+const THREE = require('three')
+const OBJLoader = require('three-obj-loader')(THREE)
+import {getNoise} from './noise.js'
+
+var ShapeEnum = Object.freeze({Ring: 0, Wall: 1, Roof1: 2, 
+								Roof2: 3, Block: 4, Tower: 5, 
+								Wedge: 6, Emplacement: 7, Cyl: 8, 
+								Other: 999});
+var material = new THREE.MeshPhongMaterial({
+	side: THREE.DoubleSide,
+    color: 0xfefaf0
+    });
+var objLoader = new THREE.OBJLoader();
+var objLibrary = [];
+
+// used to scale or cull building placements
+function populationDensity(x, z) {
+	var u = (x - 10.0) / -20.0;
+	var v = (z - 10.0) / -20.0;
+	return getNoise(u, v, 8.0);
+}
+
+/*
+State of a single shape in the grammar.
+pos: postion
+scale: scale
+yaw: rotation about world Y axis
+symbol: the type of shape that this will be
+*/
+var Shape = function(pos, scale, yaw, symbol, terminal, iter) {
+	return {
+		pos: new THREE.Vector3(pos.x, pos.y, pos.z),
+		scale: new THREE.Vector3(scale.x, scale.y, scale.z),
+		yaw: yaw,
+		type: symbol,
+		terminal: terminal,
+		iter: iter
+	}
+}
+
+/*
+The exported GrammarSystem class.
+ - The grammar system has a list of shapes that are data the grammar can iterate on
+ - As an optimization, there is only a single merged mesh
+ - Also responsible for adding to scene and removing self from scene
+*/
+export default class GrammarSystem {
+	
+	// adds dummies to the list of objs, then reloads when obj is ready
+	// usually takes only a few ms
+	loadAllObjs(selfRef) {
+		var mContainer1 = new THREE.Geometry();
+
+		objLibrary.push(mContainer1);
+		objLoader.load('./resources/ring.obj', function(obj) {
+			var g = new THREE.Geometry().fromBufferGeometry(obj.children[0].geometry);
+			g.applyMatrix( new THREE.Matrix4().makeScale(8, 8, 8));
+			g.applyMatrix( new THREE.Matrix4().makeTranslation(0, 2, 0));
+			
+			objLibrary[0].merge(g, objLibrary[0].matrix);
+
+			selfRef.clearIterations();
+		});
+
+		var dummy2 = new THREE.Geometry();
+		objLibrary.push(dummy2);
+		objLoader.load('./resources/emplacement.obj', function(obj) {
+			var g = new THREE.Geometry().fromBufferGeometry(obj.children[0].geometry);
+			g.applyMatrix( new THREE.Matrix4().makeRotationY(0.5 * Math.PI / 180.0));
+			
+			objLibrary[1].merge(g, g.matrix);
+
+			selfRef.clearIterations();
+		});
+
+
+		var dummy3 = new THREE.Geometry();
+		objLibrary.push(dummy3);
+		objLoader.load('./resources/roundroof.obj', function(obj) {
+			var g = new THREE.Geometry().fromBufferGeometry(obj.children[0].geometry);
+			
+			objLibrary[2].merge(g, g.matrix);
+
+			selfRef.clearIterations();
+		});
+
+		var dummy4 = new THREE.Geometry();
+		objLibrary.push(dummy4);
+		objLoader.load('./resources/angleroof.obj', function(obj) {
+			var g = new THREE.Geometry().fromBufferGeometry(obj.children[0].geometry);
+			g.applyMatrix( new THREE.Matrix4().makeScale(4, 4, 4));
+			objLibrary[3].merge(g, g.matrix);
+
+			selfRef.clearIterations();
+		});
+
+	}
+
+	constructor(scene) {
+		
+		this.scene = scene;
+		this.allShapes = []; // will contain every single 
+		this.geometry = new THREE.Geometry();
+		this.mesh = undefined;
+		this.numIterations = 1;
+		this.loadAllObjs(this);
+
+		this.addShape(new THREE.Vector3(0, 0, 0), 
+			new THREE.Vector3(1, 1, 1), 0.0, ShapeEnum.Ring, false, 1);
+		this.addShape(new THREE.Vector3(0, 0, 15), 
+			new THREE.Vector3(2, 2, 2), 35.0, ShapeEnum.Block, false, 1);
+	}
+
+
+
+	// add a single shape to the grammar with specified values
+	addShape(pos, scale, yaw, type, terminal, iter) {
+		
+		var s = new Shape(pos, scale, yaw, type, terminal, iter);
+		this.allShapes.push(s);
+		// merge into existing geometry
+		var geom;
+		switch(type) {
+			case ShapeEnum.Ring: 
+				var ring = objLibrary[0].clone();
+    			geom = new THREE.CylinderGeometry(8, 8, 2, 20);
+				geom.applyMatrix( new THREE.Matrix4().makeTranslation(0, 1, 0));
+				geom.merge(ring, ring.matrix);
+				break;
+				
+			case ShapeEnum.Block:
+				geom = new THREE.BoxGeometry(4, 4, 4);
+				geom.applyMatrix( new THREE.Matrix4().makeTranslation(0, 2, 0));
+				break;
+
+			case ShapeEnum.Wall:
+				geom = objLibrary[0].clone();
+				break;
+
+			case ShapeEnum.Wedge:
+				geom = new THREE.CylinderGeometry(2, 2.4, 2, 3);
+				geom.applyMatrix( new THREE.Matrix4().makeTranslation(0, 1, 0));
+				geom.applyMatrix( new THREE.Matrix4().makeScale(1, 1, 4));
+				geom.computeFlatVertexNormals();
+				geom.normalsNeedUpdate = true;
+				break;
+
+			case ShapeEnum.Tower:
+				var g1 = new THREE.BoxGeometry(0.6, 2, 0.6);
+				g1.applyMatrix(new THREE.Matrix4().makeTranslation(0, 2, 0));
+				geom = new THREE.BoxGeometry(0.5, 2, 0.5);
+				geom.applyMatrix(new THREE.Matrix4().makeTranslation(0, 4, 0));
+				geom.merge(g1, g1.matrix);
+				break;
+
+			case ShapeEnum.Emplacement:
+				geom = objLibrary[1].clone();
+				break;
+
+			case ShapeEnum.Roof1:
+				geom = objLibrary[2].clone();
+				break;
+
+			case ShapeEnum.Roof2:
+				geom = objLibrary[3].clone();
+				break;
+
+			case ShapeEnum.Cyl:
+				geom = new THREE.CylinderGeometry(8, 8, 2, 20);
+				geom.applyMatrix( new THREE.Matrix4().makeTranslation(0, 1, 0));
+				break;
+
+			default:
+				geom = new THREE.CylinderGeometry(8, 8, 2, 20);
+				geom.applyMatrix( new THREE.Matrix4().makeTranslation(0, 1, 0));
+				break;
+
+		}
+		
+		geom.applyMatrix( new THREE.Matrix4().makeScale(scale.x, scale.y, scale.z));
+		geom.applyMatrix( new THREE.Matrix4().makeRotationY(yaw * Math.PI / 180.0));
+		geom.applyMatrix( new THREE.Matrix4().makeTranslation(pos.x, pos.y, pos.z));
+		this.geometry.merge(geom, geom.matrix);
+	}
+
+	// add a single already-created shape
+	addWholeShape(shape) {
+		this.addShape(shape.pos, shape.scale, shape.yaw, shape.type, shape.terminal, shape.iter);
+	}
+
+	// completely removes all geometry and information
+	resetGrammar() {
+		var g = this.scene.getObjectByName("grammarGeo"); 
+		if (g !== undefined) {
+			this.scene.remove(g);
+			this.mesh = undefined;
+		}
+		this.allShapes = [];
+		this.geometry = new THREE.Geometry();
+		this.numIterations = 1;
+		//this.addShape(new THREE.Vector3(0, 0, 0), new THREE.Vector3(1, 1, 1), 0.0, ShapeEnum.Ring, false);
+	}
+
+	// resets the shape grammar to its initial state
+	clearIterations() {
+		this.resetGrammar();
+		this.addShape(new THREE.Vector3(0, 0, 0), 
+			new THREE.Vector3(1, 1, 1), 0.0, ShapeEnum.Ring, false, 1);
+		var outerWall = new Shape(new THREE.Vector3(0, -2, 0), new THREE.Vector3(1.2, 1, 1.2),
+			0, ShapeEnum.Wall, false, 1);
+		this.addWholeShape(outerWall);
+		this.finalizeGrammar();
+	}
+
+
+	// caps this shape with a roof and terminates it
+	buildRoof(shape, shapeList) {
+		var longestSide = Math.max(shape.scale.x, shape.scale.z);
+		var roof;
+		if (shape.scale.x > shape.scale.z) {
+			roof = new Shape(new THREE.Vector3(shape.pos.x, 4 * shape.scale.y +shape.pos.y, shape.pos.z), 
+				new THREE.Vector3(shape.scale.z, shape.scale.x, shape.scale.x),
+				 shape.yaw + 90, ShapeEnum.Roof2, true, shape.iter + 1);
+
+		} else {
+			roof = new Shape(new THREE.Vector3(shape.pos.x, 4 * shape.scale.y +shape.pos.y, shape.pos.z), 
+				new THREE.Vector3(shape.scale.x, shape.scale.z, shape.scale.z),
+				 shape.yaw, ShapeEnum.Roof2, true, shape.iter + 1);
+		}
+
+
+		//console.log("snorf");
+		shapeList.push(roof);
+	}
+
+	// creates a tower on this building
+
+	// divides this shape and adds the new ones to the list
+	subdivide(shape, shapeList) {
+		var xS = Math.cos(shape.yaw * Math.PI / 180.0);
+		var zS = Math.sin(shape.yaw * Math.PI / 180.0);
+
+		if (Math.random() < 0.1 || shape.scale.x < 0.1 || shape.scale.z < 0.1) {
+			shape.terminal = true;
+			shapeList.push(shape);
+			this.buildRoof(shape, shapeList);
+			return;
+		}
+
+
+		var s1; var s2;
+		var d; var s;
+		if (Math.random() > 0.5) {
+			d = new THREE.Vector2(0, shape.scale.z);
+			d.rotateAround(new THREE.Vector2(0, 0), shape.yaw * Math.PI / 180.0);
+			s = new THREE.Vector3(shape.scale.x, shape.scale.y, 0.45 * shape.scale.z);
+		} else {
+			d = new THREE.Vector2(shape.scale.x, 0);
+			d.rotateAround(new THREE.Vector2(0, 0), shape.yaw * Math.PI / 180.0);
+			s = new THREE.Vector3(0.4 * shape.scale.x, shape.scale.y, shape.scale.z);
+		}
+
+		s1 = new Shape(new THREE.Vector3(shape.pos.x + d.x,
+				shape.pos.y, shape.pos.z - d.y), s.multiply(new THREE.Vector3(1, 1.0 - Math.random() * 0.2, 1)),
+				 shape.yaw, ShapeEnum.Block, false, shape.iter + 1);
+		s2 = new Shape(new THREE.Vector3(shape.pos.x - d.x,
+				shape.pos.y, shape.pos.z + d.y), s.multiply(new THREE.Vector3(1, 1.0 - Math.random() * 0.2, 1)),
+				 shape.yaw, ShapeEnum.Block, false, shape.iter + 1);
+			
+		shapeList.push(s1);
+		shapeList.push(s2);
+	}
+
+
+	// creates another layer of the city
+	buildLayer(shape, shapeList) {
+		var x = (8.0 - 1.5 * shape.iter) / 8.0;
+		var y = (8.0 - 0.5 * shape.iter) / 8.0;
+		var s = new THREE.Vector3(x, y, x)
+		var check = this.numIterations > 3;
+
+		var layer = new Shape(new THREE.Vector3(shape.pos.x, shape.pos.y + 2 * shape.scale.y, shape.pos.z),
+						s,
+						shape.yaw, check? ShapeEnum.Cyl : ShapeEnum.Ring, false, shape.iter + 1);
+
+
+		var cliff = new Shape(new THREE.Vector3(0, 0, 0),
+		 				new THREE.Vector3(1, y * (shape.iter + 2), 1), 
+						 0, ShapeEnum.Wedge, true, 1);
+			
+
+		shape.terminal = true; // end iteration on original
+		shapeList.push(shape); // preserve original
+		shapeList.push(cliff);
+		shapeList.push(layer);
+	}
+
+
+	// places houses in a reasonable way along the ring
+	placeRadial(shape, shapeList) {
+		var inner = (8.0 - 1.5 * (shape.iter - 1.0));
+		var outer = (8.0 - 1.5 * (shape.iter - 2.0));
+		var rCenter = 0.5 * (inner + outer) - 0.05;
+		var arc = 2 * Math.PI * rCenter * 
+		console.log(rCenter);
+		var rScale = 0.5 * 0.25 * (outer - inner);
+		var topLayer = shape.type == ShapeEnum.Cyl;
+		var rowOffset = (Math.random() - 0.5) * 5.0 + 4.5;
+		for (var i = 0; i < 20; i++) {
+			var offset = (Math.random() - 0.5) * 2.0;
+			var theta = i * 360.0 / 40 + offset + rowOffset + (topLayer? 0 : offset);
+			theta = topLayer ? theta * 2 : theta;
+			if (Math.abs(theta - 90) < 10) continue; // avoid the wedge
+			var rct = rCenter * Math.cos(theta * Math.PI / 180.0);
+			var rst = rCenter * Math.sin(theta * Math.PI / 180.0);
+			//console.log(theta);
+
+			var pop = populationDensity(rct, rst);
+			if (pop < -0.2) continue; // not populous enough for a building
+
+			var s = new Shape(new THREE.Vector3(rct, shape.pos.y, rst),
+				new THREE.Vector3(1.4 * rScale, 
+					(topLayer ? 2.0 : 1.0) * 0.3 * inner * (1 + pop) * (rScale), 
+					(topLayer ? 2.0 : 1.0) *shape.scale.z * 1.5 * rScale),
+				-theta, ShapeEnum.Block, 
+				false, shape.iter + 1);
+			shapeList.push(s);
+		}
+
+		if (shape.type == ShapeEnum.Cyl) {
+			shape.terminal = true;
+			shapeList.push(shape);
+		}
+	}
+
+	// places a building atop an existing emplacement
+	buildEmplacement(shape, shapeList) {
+		var pop = 1.0 + populationDensity(shape.pos.x, shape.pos.z);
+
+		var s = new Shape(new THREE.Vector3(shape.pos.x, shape.pos.y, shape.pos.z),
+						new THREE.Vector3(shape.scale.x * 0.25, pop * shape.scale.y * 0.25, shape.scale.z * 0.5 * 0.25),
+						shape.yaw, ShapeEnum.Block, false, shape.iter + 1);
+		shapeList.push(s);
+		shape.terminal = true;
+		shapeList.push(shape);
+	}
+
+	// creates a tower on the wall
+	buildWallTower(shape, shapeList) {
+		var rad = 8 * shape.scale.z;
+		var numTowers = Math.floor(Math.random() * 5.0);
+		var offset = Math.random() * 180.0 / numTowers;
+
+		// wall emplacements
+		for (var i = 0; i < 10; i++) {
+			if (Math.random() < 0.6) continue;
+			var theta = i * 18.0 + 9.0;
+			if (Math.abs(theta - 90) < 10) continue; // avoid the wedge
+			var ct = Math.cos(theta * Math.PI / 180.0)
+			var st = Math.sin(theta * Math.PI / 180.0)
+
+			var rct = rad * ct;
+			var rst = rad * st;
+
+			var s = new Shape(new THREE.Vector3(rct, shape.pos.y + 4 * shape.scale.y, rst), 
+				new THREE.Vector3(shape.scale.x, shape.scale.y + (Math.random() - 0.5) * 0.2, shape.scale.z), 
+				90-theta, ShapeEnum.Emplacement, false, shape.iter + 1);
+			shapeList.push(s);
+		}
+
+		// wall towers
+		for (var i = 0; i <= 10; i++) {
+			if (Math.random() < 0.7) continue;
+			var theta = i * 18.0;
+			if (Math.abs(theta - 90) < 10) continue; // avoid the wedge
+			var ct = Math.cos(theta * Math.PI / 180.0)
+			var st = Math.sin(theta * Math.PI / 180.0)
+
+			var rct = rad * ct;
+			var rst = rad * st;
+
+			var o = 1 + (Math.random() - 0.5) * 0.3;
+
+			var s = new Shape(new THREE.Vector3(rct, shape.pos.y, rst), 
+				new THREE.Vector3(shape.scale.x, o * shape.scale.y, shape.scale.z),
+				 -theta, ShapeEnum.Tower, true, shape.iter + 1);
+			shapeList.push(s);
+
+			var r = new Shape(new THREE.Vector3(rct, shape.pos.y + 5 * o * shape.scale.y, rst), 
+				new THREE.Vector3(0.7 * shape.scale.x, 0.7 * shape.scale.x, 0.7 * shape.scale.z),
+				 -theta, ShapeEnum.Roof1, true, shape.iter + 1);
+			shapeList.push(r);
+		}
+
+		if (shape.type == ShapeEnum.Wall) {
+			shape.terminal = true;
+			shapeList.push(shape);
+		}
+
+	}	
+
+	// apply a rule to each non - terminal shape in the grammar
+	iterateGrammar() {
+		// begin a new list of shapes
+		var newShapes = [];
+		var newIter = this.numIterations + 1;
+
+		// for each shape, apply an appropriate rule
+		for (var i = 0; i < this.allShapes.length; i++) {
+			if (!this.allShapes[i].terminal) {
+				switch(this.allShapes[i].type) {
+					case ShapeEnum.Ring:
+						this.buildLayer(this.allShapes[i], newShapes);
+						this.placeRadial(this.allShapes[i], newShapes);
+						this.buildWallTower(this.allShapes[i], newShapes);
+						break;
+					case ShapeEnum.Block:
+						this.subdivide(this.allShapes[i], newShapes);
+						break;
+					case ShapeEnum.Wall:
+						this.buildWallTower(this.allShapes[i], newShapes);
+						break;
+					case ShapeEnum.Cyl:
+						this.placeRadial(this.allShapes[i], newShapes);
+						break;
+					case ShapeEnum.Emplacement:
+						this.buildEmplacement(this.allShapes[i], newShapes);
+						break;
+					default:
+						newShapes.push(this.allShapes[i]);
+						break;
+				}
+			} else {
+				// this shape is terminal. Simply add it to the list
+				if (this.allShapes[i].type == ShapeEnum.Block) {
+					//this.buildRoof(this.allShapes[i], newShapes);
+				}
+				newShapes.push(this.allShapes[i]);
+			}
+
+		}
+
+		// clear out the old information and geometry
+		this.resetGrammar();
+
+		// add every shape from the iteration
+		for (var i = 0; i < newShapes.length; i++) {
+			this.addWholeShape(newShapes[i]);
+		}
+
+
+
+		// render the new shape grammar
+		this.numIterations = newIter;
+		this.finalizeGrammar();
+	}
+
+	// takes the merged geometry and applies it to the scene
+	finalizeGrammar() {
+		if (this.mesh == undefined) {
+			this.mesh = new THREE.Mesh(this.geometry, material);
+			this.mesh.name = "grammarGeo";
+			this.mesh.castShadow = true;
+  			this.mesh.receiveShadow = true;
+			this.scene.add(this.mesh);
+		}
+	}
+
+}
\ No newline at end of file
diff --git a/webpack.config.js b/webpack.config.js
new file mode 100644
index 00000000..57dce485
--- /dev/null
+++ b/webpack.config.js
@@ -0,0 +1,28 @@
+const path = require('path');
+
+module.exports = {
+  entry: path.join(__dirname, "src/main"),
+  output: {
+    filename: "./bundle.js"
+  },
+  module: {
+    loaders: [
+      {
+        test: /\.js$/,
+        exclude: /(node_modules|bower_components)/,
+        loader: 'babel',
+        query: {
+          presets: ['es2015']
+        }
+      },
+      {
+        test: /\.glsl$/,
+        loader: "webpack-glsl"
+      },
+    ]
+  },
+  devtool: 'source-map',
+  devServer: {
+    port: 7000
+  }
+}
\ No newline at end of file