diff --git a/build.js b/build.js
index d27fbb4..3052f11 100644
--- a/build.js
+++ b/build.js
@@ -507,15 +507,113 @@
 
 
 
-  System.register("src/lib/play", ["src/lib/frames", "src/lib/gravity", "src/main"], function ($__export) {
+  System.register("src/lib/forces/global-gravity", ["src/lib/vector", "src/main"], function ($__export) {
+    "use strict";
+    var __moduleName = "src/lib/forces/global-gravity";
+    var Vector, Bolt;
+    function GlobalGravity(mass) {
+      var g = arguments[1] !== void 0 ? arguments[1] : Bolt.ugravitation || 10;
+      this.force = new Vector(0, -mass * g, 0);
+    }
+    return {
+      setters: [function (m) {
+        Vector = m["default"];
+      }, function (m) {
+        Bolt = m["default"];
+      }],
+      execute: function () {
+        GlobalGravity.prototype.apply = function (particle, duration) {
+          particle.acceleration.add(this.force);
+        };
+        $__export("default", GlobalGravity);
+      }
+    };
+  });
+
+
+
+  System.register("src/lib/forces/gravity", ["src/lib/vector", "src/main"], function ($__export) {
+    "use strict";
+    var __moduleName = "src/lib/forces/gravity";
+    var Vector, Bolt;
+    function Gravity(o1, o2) {
+      var mass = o1.mass * o2.mass;
+      var g = Bolt.ugravitation || 10;
+      var acc = mass * g;
+      var distance = new Vector(o1.position.x - o2.position.x, o1.position.y - o2.position.y, o1.position.z - o2.position.z);
+      this.force = new Vector(acc / (distance.x * distance.x), acc / (distance.y * distance.y), acc / (distance.z * distance.z));
+    }
+    return {
+      setters: [function (m) {
+        Vector = m["default"];
+      }, function (m) {
+        Bolt = m["default"];
+      }],
+      execute: function () {
+        Gravity.prototype.apply = function (particle, duration) {
+          particle.acceleration.add(this.force);
+        };
+        $__export("default", Gravity);
+      }
+    };
+  });
+
+
+
+  System.register("src/lib/force", ["src/lib/vector", "src/lib/forces/global-gravity", "src/lib/forces/gravity"], function ($__export) {
+    "use strict";
+    var __moduleName = "src/lib/force";
+    var Vector, GlobalGravity, Gravity, Force;
+    return {
+      setters: [function (m) {
+        Vector = m["default"];
+      }, function (m) {
+        GlobalGravity = m["default"];
+      }, function (m) {
+        Gravity = m["default"];
+      }],
+      execute: function () {
+        Force = {
+          registry: [],
+          generators: {
+            GlobalGravity: GlobalGravity,
+            Gravity: Gravity
+          },
+          add: function (particle, force) {
+            this.registry.push([particle, force]);
+            return this.forces;
+          },
+          remove: function (particle, force) {
+            var reg = this.registry;
+            this.registry.forEach(function (el, i) {
+              if (el[0] === particle && el[1] === force) reg.splice(i, 1);
+            });
+          },
+          clear: function () {
+            this.registry.length = 0;
+          },
+          run: function (duration) {
+            this.registry.forEach(function (el) {
+              el[1].apply(el[0], duration);
+            });
+          }
+        };
+        $__export("default", Force);
+      }
+    };
+  });
+
+
+
+  System.register("src/lib/play", ["src/lib/frames", "src/lib/force", "src/main"], function ($__export) {
     "use strict";
     var __moduleName = "src/lib/play";
-    var Frames, Gravity, Bolt, reqAnimFrame, cancelAnimFrame, Play;
+    var Frames, Force, Bolt, reqAnimFrame, cancelAnimFrame, Play;
     return {
       setters: [function (m) {
         Frames = m["default"];
       }, function (m) {
-        Gravity = m["default"];
+        Force = m["default"];
       }, function (m) {
         Bolt = m["default"];
       }],
@@ -532,13 +630,14 @@
                     len = Bolt.objects.length; i < len; i++) {
                   var object = Bolt.objects[i];
                   if (Bolt.configs.globalGravity) {
-                    var force = Gravity.global(object.inverseMass);
-                    object.position.add(object.velocity.clone().scalar(Frames.elapsed));
-                    var acc = object.acceleration.clone();
-                    acc.add(force);
-                    object.velocity.add(acc.scalar(Frames.elapsed));
-                    object.velocity.scalar(Math.pow(object.damping, Frames.elapsed));
+                    var gravity = new Force.generators.GlobalGravity(object.mass);
+                    Force.add(object, gravity);
                   }
+                  object.position.add(object.velocity.clone().scalar(Frames.elapsed));
+                  object.acceleration.scalar(Frames.elapsed);
+                  object.velocity.add(object.acceleration);
+                  Force.run();
+                  Force.clear();
                 }
                 if (fn) fn.apply(this, arguments);
                 loop();
@@ -561,10 +660,10 @@
 
 
 
-  System.register("src/main", ["src/lib/vector", "src/lib/particle", "src/lib/gravity", "src/lib/frames", "src/lib/play"], function ($__export) {
+  System.register("src/main", ["src/lib/vector", "src/lib/particle", "src/lib/gravity", "src/lib/frames", "src/lib/play", "src/lib/force"], function ($__export) {
     "use strict";
     var __moduleName = "src/main";
-    var Vector, Particle, Gravity, Frames, Play, Bolt;
+    var Vector, Particle, Gravity, Frames, Play, Force, Bolt;
     return {
       setters: [function (m) {
         Vector = m["default"];
@@ -576,6 +675,8 @@
         Frames = m["default"];
       }, function (m) {
         Play = m["default"];
+      }, function (m) {
+        Force = m["default"];
       }],
       execute: function () {
         Bolt = {
@@ -591,7 +692,8 @@
           Particle: Particle,
           Gravity: Gravity,
           Frames: Frames,
-          Play: Play
+          Play: Play,
+          Force: Force
         };
         window.Bolt = Bolt;
         $__export("default", Bolt);
diff --git a/build.js.map b/build.js.map
index a211f21..3347988 100644
--- a/build.js.map
+++ b/build.js.map
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/demos/fireworks/demo.js b/demos/fireworks/demo.js
index 9ee756b..d91daef 100644
--- a/demos/fireworks/demo.js
+++ b/demos/fireworks/demo.js
@@ -55,7 +55,7 @@ Bolt.Play.start(function() {
     fireworks.push(new Firework({
       type: 0,
       position: Bolt.Vector(window.innerWidth/4, 0, 0),
-      mass: 4
+      mass: 2
     }));
     count = 0;
   }
@@ -79,7 +79,7 @@ Bolt.Play.start(function() {
           type: 1,
           position: fw.particle.position.clone(),
           velocity: vel,
-          mass: 2
+          mass: 1
         });
         fireworks.push(childFirework);
       }
diff --git a/demos/fireworks/index.html b/demos/fireworks/index.html
index d21d5ce..bb0d5b9 100644
--- a/demos/fireworks/index.html
+++ b/demos/fireworks/index.html
@@ -2,7 +2,7 @@
 <html lang="en">
 <head>
   <meta charset="UTF-8">
-  <title>Bolt</title>
+  <title>Bolt | Fireworks Demo</title>
 </head>
 <body style="margin: 0">
   <p style="position: absolute;top:5px;left:10px;" id='fps'></p>
diff --git a/demos/mouse-gravitation/demo.js b/demos/mouse-gravitation/demo.js
new file mode 100644
index 0000000..93c4d46
--- /dev/null
+++ b/demos/mouse-gravitation/demo.js
@@ -0,0 +1,68 @@
+var world = new LiThree.World(),
+    renderer = new LiThree.WebGLRenderer(window.innerWidth, window.innerHeight, world),
+    camera = renderer.camera;
+
+camera.position.z -= 10;
+
+var light = new LiThree.Light.Point();
+light.diffuseColor.hex = '#16A086';
+light.position.x = -10;
+light.position.z = -20;
+light.position.y = 0;
+world.add(light);
+
+// renderer.canvas.style.setProperty('background', 'black');
+
+
+var mouse = new Bolt.Particle({
+  position: Bolt.Vector(0, 0, 0),
+  mass: 1
+});
+
+var middle = new Bolt.Vector(window.innerWidth / 2, window.innerHeight / 2, 0);
+
+for(var i = 0; i < 20; i++) {
+  var p = new Bolt.Particle({
+    position: middle.clone(),
+    mass: 1
+  });
+
+  var sphere =  new LiThree.ObjectFactory.Sphere(50, 20, 20);
+  sphere.color.rgb(0.2, 0.2, 0.2);
+
+  world.add(sphere);
+
+  p.view = sphere;
+}
+
+renderer.initShapes();
+
+function syncPositions(particle) {
+  particle.view.position.x = particle.position.x;
+  particle.view.position.y = particle.position.y;
+  particle.view.position.z = particle.position.z;
+}
+
+Bolt.configs.globalGravity = false;
+
+Bolt.Play.start(function() {
+  // i = 1 Ignore mouse
+  for(var i = 1, len = Bolt.objects.length; i < len; i++) {
+    var p = Bolt.objects[i];
+
+    // var mouseGravity = new Bolt.Force.generators.Gravity(p, mouse);
+
+    // Bolt.Force.add(p, mouseGravity);
+
+    syncPositions(p);
+  }
+
+  renderer.draw();
+});
+
+document.body.appendChild(renderer.canvas);
+
+renderer.canvas.addEventListener('mousemove', function(e) {
+  mouse.position.x = e.pageX;
+  mouse.position.y = e.pageY;
+});
\ No newline at end of file
diff --git a/demos/mouse-gravitation/index.html b/demos/mouse-gravitation/index.html
new file mode 100644
index 0000000..a76d875
--- /dev/null
+++ b/demos/mouse-gravitation/index.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Bolt | Mouse Gravitation Demo</title>
+</head>
+<body style="margin: 0">
+  <p style="position: absolute;top:5px;left:10px;" id='fps'></p>
+
+  <script src='../../build.js'></script>
+  <script src='lithree.min.js'></script>
+  <script src='demo.js'></script>
+</body>
+</html>
\ No newline at end of file
diff --git a/demos/mouse-gravitation/lithree.min.js b/demos/mouse-gravitation/lithree.min.js
new file mode 100644
index 0000000..7fcb532
--- /dev/null
+++ b/demos/mouse-gravitation/lithree.min.js
@@ -0,0 +1,2 @@
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this._z},set:function(a){this.emit("update"),this._z=a},enumerable:!0,configurable:!0},set:{value:function(a,b,c){this.x=a,this.y=b,this.z=c},writable:!0,enumerable:!0,configurable:!0},add:{value:function(a){var b,c=void 0===arguments[1]?!1:arguments[1];return b=c?this.clone():this,"object"==typeof a?(b.x+=a.x,b.y+=a.y,b.z+=a.z):(b.x+=a,b.y+=a,b.z+=a),b},writable:!0,enumerable:!0,configurable:!0},subtract:{value:function(a){var b,c=void 0===arguments[1]?!1:arguments[1];return b=c?this.clone():this,"object"==typeof a?(b.x-=a.x,b.y-=a.y,b.z-=a.z):b.add(-a),b},writable:!0,enumerable:!0,configurable:!0},multiply:{value:function(a){var b,c=void 0===arguments[1]?!1:arguments[1];return b=c?this.clone():this,"object"==typeof a?(b.x*=a.x,b.y*=a.y,b.z*=a.z):(b.x*=a,b.y*=a,b.z*=a),b},writable:!0,enumerable:!0,configurable:!0},divide:{value:function(a){var b,c=void 0===arguments[1]?!1:arguments[1];return b=c?this.clone():this,"object"==typeof a?(b.x/=a.x,b.y/=a.y,b.z/=a.z):b.multiply(1/a),b},writable:!0,enumerable:!0,configurable:!0},distance:{value:function(a){var b=a.x-this.x,c=a.y-this.y,d=a.z-this.z;return Math.sqrt(b*b+c*c+d*d)},writable:!0,enumerable:!0,configurable:!0},getLength:{value:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},writable:!0,enumerable:!0,configurable:!0},normalize:{value:function(){this.divide(this.getLength())},writable:!0,enumerable:!0,configurable:!0},dot:{value:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},writable:!0,enumerable:!0,configurable:!0},cross:{value:function(a){return new b(this.y*a.z-this.z*a.y,this.z*a.x-this.x*a.z,this.x*a.y-this.y*a.x)},writable:!0,enumerable:!0,configurable:!0},angle:{value:function(a){return Math.acos(this.dot(a)/this.getLength()/a.getLength())},writable:!0,enumerable:!0,configurable:!0},toArray:{value:function(){return[this.x,this.y,this.z]},writable:!0,enumerable:!0,configurable:!0}}),b}(k),f=function(a,b,c){b&&Object.defineProperties(a,b),c&&Object.defineProperties(a.prototype,c)},x=0,y=function(){function a(){this.color=new h,this.type="object",this.scale=new w,this.position=new w,this.rotation=new w,this.vertices=[],this.vertexNormals=!1,this.vertexIndex=!1,this.vertexColor=!1,this.textureCoords=!1,this.index=x++,this.buffers={},this.material=new s,this.drawingMode=i.drawingMode.LINE_STRIP,this.darwingFunction=i.drawingFunctions.ARRAYS}return f(a,null,{getMatrix:{value:function(){var a=new v;return a.identity(),a.translate(this.position),a.rotateX(this.rotation.x),a.rotateY(this.rotation.y),a.rotateZ(this.rotation.z),a},writable:!0,enumerable:!0,configurable:!0}}),a}(),z=function(){var a=void 0===arguments[0]?640:arguments[0],b=void 0===arguments[1]?480:arguments[1];this.width=a,this.height=b},f=function(a,b,c){b&&Object.defineProperties(a,b),c&&Object.defineProperties(a.prototype,c)},o=function J(a,b,c){var d=Object.getOwnPropertyDescriptor(a,b);if(void 0===d){var e=Object.getPrototypeOf(a);return null===e?void 0:J(e,b,c)}if("value"in d&&d.writable)return d.value;var f=d.get;return void 0===f?void 0:f.call(c)},p=function(a,b){if("function"!=typeof b&&null!==b)throw new TypeError("Super expression must either be null or a function, not "+typeof b);a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,enumerable:!1,writable:!0,configurable:!0}}),b&&(a.__proto__=b)},A=function(a){function b(a,c,d){var e=void 0===arguments[3]?null:arguments[3];o(Object.getPrototypeOf(b.prototype),"constructor",this).call(this,a,c),this.world=d,this.camera=new g,this.camera.aspect=this.width/this.height,this.camera.updatePerspective(),this.canvas=document.createElement("canvas"),this.canvas.setAttribute("width",this.width),this.canvas.setAttribute("height",this.height),this.color=e,this.initGl()}return p(b,a),f(b,null,{initGl:{value:function(){this.gl=this.canvas.getContext("experimental-webgl"),this.gl.viewportWidth=this.canvas.width,this.gl.viewportHeight=this.canvas.height,null!==this.color&&this.gl.clearColor(this.color[0],this.color[1],this.color[2],this.color[3]),this.gl.enable(this.gl.DEPTH_TEST)},writable:!0,enumerable:!0,configurable:!0},initShapes:{value:function(){for(var a=this.world.children.length;a--;){var b=this.world.children[a];b.buffers.vertices=this.gl.createBuffer(),b.buffers.vertexColor=this.gl.createBuffer(),b.buffers.normals=this.gl.createBuffer(),b.buffers.vertexIndex=this.gl.createBuffer(),b.shader=new C(this,b)}},writable:!0,enumerable:!0,configurable:!0},draw:{value:function(){this.gl.clear(this.gl.COLOR_BUFFER_BIT|this.gl.DEPTH_BUFFER_BIT);for(var a=this.world.children.length;a--;){var b=this.world.children[a],c=b.buffers;b.shader.use(),b.shader.assignValues(),b.darwingFunction===i.drawingFunctions.ELEMENTS?this.gl.drawElements(b.drawingMode,c.vertexIndex.numItems,this.gl.UNSIGNED_SHORT,0):b.darwingFunction===i.drawingFunctions.ARRAYS&&this.gl.drawArrays(b.drawingMode,0,c.vertices.numItems)}},writable:!0,enumerable:!0,configurable:!0}}),b}(z),f=function(a,b,c){b&&Object.defineProperties(a,b),c&&Object.defineProperties(a.prototype,c)},B=function(){function a(a,b,c){this.type=a,this.name=b,this.onupdate=null,this._porgrammer=c}return f(a,null,{create:{value:function(){var a=this._porgrammer.renderer.gl;this.location=a.getAttribLocation(this._porgrammer.program,this.name),a.enableVertexAttribArray(this.location)},writable:!0,enumerable:!0,configurable:!0},update:{value:function(){"function"==typeof this.onupdate&&this.onupdate.apply(this)},writable:!0,enumerable:!0,configurable:!0},value:{value:function b(b){var a=this._porgrammer.gl;b instanceof WebGLBuffer&&(a.bindBuffer(a.ARRAY_BUFFER,b),a.vertexAttribPointer(this.location,b.itemSize,a.FLOAT,!1,0,0))},writable:!0,enumerable:!0,configurable:!0}}),a}(),f=function(a,b,c){b&&Object.defineProperties(a,b),c&&Object.defineProperties(a.prototype,c)},C=function(){function a(a,b){this.object=b,this.renderer=a,this.vertexProgram=new E("vertex",this),this.fragmentProgram=new E("fragment",this),this.program=!1,this.gl=a.gl,this.initLighting(),this.initPositionCamera(),this.create()}return f(a,null,{assignValues:{value:function(){var a,b=this.object,c=this.vertexProgram,d=this.fragmentProgram;this.gl.bindBuffer(this.gl.ARRAY_BUFFER,b.buffers.vertices),this.gl.bufferData(this.gl.ARRAY_BUFFER,new Float32Array(b.vertices),this.gl.STATIC_DRAW),b.buffers.vertices.itemSize=3,b.buffers.vertices.numItems=b.vertices.length/3,b.vertexColor&&(this.gl.bindBuffer(this.gl.ARRAY_BUFFER,b.buffers.vertexColor),this.gl.bufferData(this.gl.ARRAY_BUFFER,new Float32Array(b.vertexColor),this.gl.STATIC_DRAW),b.buffers.vertexColor.itemSize=4,b.buffers.vertexColor.numItems=b.vertexColor.length),b.vertexNormals&&(this.gl.bindBuffer(this.gl.ARRAY_BUFFER,b.buffers.normals),this.gl.bufferData(this.gl.ARRAY_BUFFER,new Float32Array(b.vertexNormals),this.gl.STATIC_DRAW),b.buffers.normals.itemSize=3,b.buffers.normals.numItems=b.vertexNormals.length),b.vertexIndex&&(this.gl.bindBuffer(this.gl.ELEMENT_ARRAY_BUFFER,b.buffers.vertexIndex),this.gl.bufferData(this.gl.ELEMENT_ARRAY_BUFFER,new Uint16Array(b.vertexIndex),this.gl.STATIC_DRAW),b.buffers.vertexIndex.itemSize=1,b.buffers.vertexIndex.numItems=b.vertexIndex.length);for(a in c._variables)c._variables[a].update&&c._variables[a].update();for(a in d._variables)d._variables[a].update&&d._variables[a].update()},writable:!0,enumerable:!0,configurable:!0},initPositionCamera:{value:function(){var a=this.object,b=(this.gl,a.buffers),c=this.vertexProgram,d=this.renderer,e=c.attribute("vec3",function(){this.value(b.vertices)},"vPosition"),f=(c.attribute("vec3",function(){this.value(b.normals)},"vNormal"),c.uniform("mat4",function(){this.value(d.camera.matrix)},"pMatrix")),g=c.uniform("mat4",function(){this.value(v.multiply(d.camera.getMatrix(),a.getMatrix()))},"mvMatrix");c.code("gl_Position = %p * %m * vec4(%v, 1.0);",{p:f,m:g,v:e})},writable:!0,enumerable:!0,configurable:!0},initLighting:{value:function(){var a=this.object,b=this.vertexProgram,c=this.fragmentProgram,d=this.renderer,e=d.world;c.precision("mediump","float");var f=c.uniform("vec3",function(){this.value(a.color.toArray())},"vColor");if(e.lights.length>0){b.attribute("vec3",function(){this.value(a.buffers.normals)},"vNormal"),b.uniform("mat3",function(){var b=a.getMatrix(d.camera),c=b.toInverseMat3().transpose();this.value(c)},"nMatrix"),b.uniform("float",function(){this.value(a.material.shininess)},"fShininess"),b.uniform("bool",function(){this.value(a.material.specular)},"bSpecular"),b.code("vec3 transformedNormal = nMatrix * vNormal;"),b.code("vec3 normal = normalize(transformedNormal);"),b.code("%lw = vec3(0.0, 0.0, 0.0);",{lw:b.varying("vec3","lightWeight")});for(var g in e.lights)e.lights[g].program(b,c);c.code("gl_FragColor = vec4(%lw + %c, 1.0);",{c:f,lw:c.varying("vec3","lightWeight")})}else c.code("gl_FragColor = vec4(%c, 1.0);",{c:f})},writable:!0,enumerable:!0,configurable:!0},use:{value:function(){this.gl.useProgram(this.program)},writable:!0,enumerable:!0,configurable:!0},compile:{value:function(a,b){var c=this.gl,d=c.createShader(b);c.shaderSource(d,a),c.compileShader(d);var e=c.getShaderParameter(d,c.COMPILE_STATUS);if(!e)throw"Could not compile shader:\n"+c.getShaderInfoLog(d)+"\n"+a;return d},writable:!0,enumerable:!0,configurable:!0},create:{value:function(){var a=this.gl,b=a.createProgram();a.attachShader(b,this.compile(this.vertexProgram.toString(),a.VERTEX_SHADER)),a.attachShader(b,this.compile(this.fragmentProgram.toString(),a.FRAGMENT_SHADER)),a.linkProgram(b);var c=a.getProgramParameter(b,a.LINK_STATUS);if(!c)throw"Program failed to link:"+a.getProgramInfoLog(b);return this.program=b,this.vertexProgram.init(),this.fragmentProgram.init(),b},writable:!0,enumerable:!0,configurable:!0}}),a}(),f=function(a,b,c){b&&Object.defineProperties(a,b),c&&Object.defineProperties(a.prototype,c)},D=0,E=function(){function a(a,b){this._variables={},this._programmer=b,this._code="",this.type=a}return f(a,null,{init:{value:function(){for(var a in this._variables)"undefined"!=typeof this._variables[a].create&&this._variables[a].create()},writable:!0,enumerable:!0,configurable:!0},uniform:{value:function(a){var b=this,c=void 0===arguments[1]?null:arguments[1],d=void 0===arguments[2]?"tmp_"+D++:arguments[2];return function(){var e=new F(a,d,b._programmer);return e.onupdate=c,b._variables[d]=e,e}()},writable:!0,enumerable:!0,configurable:!0},attribute:{value:function(a){var b=this,c=void 0===arguments[1]?null:arguments[1],d=void 0===arguments[2]?"tmp_"+D++:arguments[2];return function(){var e=new B(a,d,b._programmer);return e.onupdate=c,b._variables[d]=e,e}()},writable:!0,enumerable:!0,configurable:!0},varying:{value:function(a){var b=this,c=void 0===arguments[1]?"tmp_"+D++:arguments[1];return function(){return b._variables[c]={name:c,type:a,prefix:"varying"},b._variables[c]}()},writable:!0,enumerable:!0,configurable:!0},precision:{value:function(a,b){var c="tmp_"+D++;return this._variables[c]={name:b,type:a,prefix:"precision"},this._variables[c]},writable:!0,enumerable:!0,configurable:!0},code:{value:function b(b,a){var c;if("undefined"!=typeof a)for(var d in a)c="object"==typeof a[d]?a[d].name:a[d],b=b.replace(new RegExp("%"+d,"gm"),c);return this._code+=b+"\n",this},writable:!0,enumerable:!0,configurable:!0},getVariable:{value:function(a){if("undefined"!=typeof this._variables[a])return this._variables[a];throw"The variable "+a+" is not set."},writable:!0,enumerable:!0,configurable:!0},toString:{value:function(){var a,b,c="";for(a in this._variables)b=this._variables[a],b instanceof F?c+="uniform "+b.type+" "+b.name+";\n":b instanceof B?c+="attribute "+b.type+" "+b.name+";\n":"object"==typeof b&&(c+=""+b.prefix+" "+b.type+" "+b.name+";\n");return c+="void main() {\n"+this._code+"\n}"},writable:!0,enumerable:!0,configurable:!0}}),a}(),f=function(a,b,c){b&&Object.defineProperties(a,b),c&&Object.defineProperties(a.prototype,c)},F=function(){function a(a,b,c){this.type=a,this.name=b,this.onupdate=null,this._porgrammer=c}return f(a,null,{create:{value:function(){this.location=this._porgrammer.renderer.gl.getUniformLocation(this._porgrammer.program,this.name)},writable:!0,enumerable:!0,configurable:!0},update:{value:function(){"function"==typeof this.onupdate&&this.onupdate.apply(this)},writable:!0,enumerable:!0,configurable:!0},value:{value:function b(b){var a=this._porgrammer.gl;b instanceof w?a.uniform3fv(this.location,b.toArray()):b instanceof v?a.uniformMatrix4fv(this.location,!1,b.toArray()):b instanceof t?a.uniformMatrix3fv(this.location,!1,b.toArray()):"object"==typeof b?4===b.length?a.uniform4fv(this.location,b):3===b.length?a.uniform3fv(this.location,b):9===b.length?a.uniformMatrix3fv(this.location,!1,b):16===b.length&&a.uniformMatrix4fv(this.location,!1,b):"boolean"==typeof b?a.uniform1i(this.location,b):a.uniform1f(this.location,b)},writable:!0,enumerable:!0,configurable:!0}}),a}();a.LiThree={Renderer:z,WebGLRenderer:A,World:l,Object3D:y,Camera:{Perspective:g},Color:h,Math:{Vector3:w,Matrix4:v},Light:{Directional:q,Point:r},ObjectFactory:{Circle:b,Cylinder:d,Cube:c,Sphere:e}}}(this);
+//# sourceMappingURL=lithree.min.js.map
\ No newline at end of file
diff --git a/src/lib/force.js b/src/lib/force.js
new file mode 100644
index 0000000..2f1c04f
--- /dev/null
+++ b/src/lib/force.js
@@ -0,0 +1,33 @@
+import Vector from './vector';
+import GlobalGravity from './forces/global-gravity';
+import Gravity from './forces/gravity';
+
+var Force = {
+  registry: [],
+  generators: {
+    GlobalGravity: GlobalGravity,
+    Gravity: Gravity
+  },
+  add: function(particle, force) {
+    this.registry.push([particle, force]);
+
+    return this.forces;
+  },
+  remove: function(particle, force) {
+    var reg = this.registry;
+    this.registry.forEach(function(el, i) {
+      if(el[0] === particle && el[1] === force) reg.splice(i, 1);
+    });
+  },
+  clear: function() {
+    this.registry.length = 0;
+  },
+  run: function(duration) {
+    this.registry.forEach(function(el) {
+      // force.run(particle, duration);
+      el[1].apply(el[0], duration);
+    });
+  }
+};
+
+export default Force;
\ No newline at end of file
diff --git a/src/lib/forces/global-gravity.js b/src/lib/forces/global-gravity.js
new file mode 100644
index 0000000..fbaa545
--- /dev/null
+++ b/src/lib/forces/global-gravity.js
@@ -0,0 +1,12 @@
+import Vector from '../vector';
+import Bolt from '../../main';
+
+function GlobalGravity(mass, g = Bolt.ugravitation || 10) {
+  this.force = new Vector(0, -mass*g, 0);
+}
+
+GlobalGravity.prototype.apply = function(particle, duration) {
+  particle.acceleration.add(this.force);
+};
+
+export default GlobalGravity;
\ No newline at end of file
diff --git a/src/lib/forces/gravity.js b/src/lib/forces/gravity.js
new file mode 100644
index 0000000..a965a16
--- /dev/null
+++ b/src/lib/forces/gravity.js
@@ -0,0 +1,26 @@
+import Vector from '../vector';
+import Bolt from '../../main';
+
+function Gravity(o1, o2) {
+  var mass = o1.mass * o2.mass;
+  var g = Bolt.ugravitation || 10;
+  var acc = mass*g;
+
+  var distance = new Vector(
+    o1.position.x - o2.position.x,
+    o1.position.y - o2.position.y,
+    o1.position.z - o2.position.z
+  );
+
+  this.force = new Vector(
+    acc / (distance.x*distance.x),
+    acc / (distance.y*distance.y),
+    acc / (distance.z*distance.z)
+  );
+}
+
+Gravity.prototype.apply = function(particle, duration) {
+  particle.acceleration.add(this.force);
+};
+
+export default Gravity;
\ No newline at end of file
diff --git a/src/lib/particle.js b/src/lib/particle.js
index 96d45eb..237f33b 100644
--- a/src/lib/particle.js
+++ b/src/lib/particle.js
@@ -30,6 +30,6 @@ Object.defineProperties(Particle.prototype, {
 
 Particle.prototype.destroy = function() {
   return Bolt.objects.splice(Bolt.objects.indexOf(this), 1);
-}
+};
 
 export default Particle;
\ No newline at end of file
diff --git a/src/lib/play.js b/src/lib/play.js
index 366ae56..3faa37c 100644
--- a/src/lib/play.js
+++ b/src/lib/play.js
@@ -1,5 +1,5 @@
 import Frames from './frames';
-import Gravity from './gravity';
+import Force from './force';
 import Bolt from '../main';
 
 
@@ -22,29 +22,24 @@ var Play = {
 
     (function loop() {
       reqAnimFrame(function(now) {
-        // ctx.clearRect(0, 0, canvas.width, canvas.height);
-        // ctx.fillStyle = 'black';
-        // ctx.fillRect(0, 0, canvas.width, canvas.height);
         var avg = Frames.tick(now);
 
         for(var i = 0, len = Bolt.objects.length; i < len; i++) {
           var object = Bolt.objects[i];
 
           if(Bolt.configs.globalGravity) {
-            var force = Gravity.global(object.inverseMass);
-
-            object.position.add(object.velocity.clone().scalar(Frames.elapsed));
-
-            var acc = object.acceleration.clone();
-            acc.add(force);
-            object.velocity.add(acc.scalar(Frames.elapsed));
-            object.velocity.scalar(Math.pow(object.damping, Frames.elapsed));
-
-            // ctx.beginPath();
-            // ctx.fillStyle = object.color;
-            // ctx.arc(object.position.x, object.position.y, object.mass, 0, 2*Math.PI);
-            // ctx.fill();
+            var gravity = new Force.generators.GlobalGravity(object.mass);
+            Force.add(object, gravity);
           }
+
+          object.position.add(object.velocity.clone().scalar(Frames.elapsed));
+            // object.velocity.scalar(Math.pow(object.damping, Frames.elapsed));
+
+          object.acceleration.scalar(Frames.elapsed);
+          object.velocity.add(object.acceleration);
+
+          Force.run();
+          Force.clear();
         }
 
         if(fn) fn.apply(this, arguments);
diff --git a/src/main.js b/src/main.js
index 74d2d5a..38da100 100644
--- a/src/main.js
+++ b/src/main.js
@@ -3,6 +3,7 @@ import Particle from './lib/particle';
 import Gravity from './lib/gravity';
 import Frames from './lib/frames';
 import Play from './lib/play';
+import Force from './lib/force';
 
 var Bolt = {
   configs: {
@@ -22,7 +23,8 @@ var Bolt = {
   Particle: Particle,
   Gravity: Gravity,
   Frames: Frames,
-  Play: Play
+  Play: Play,
+  Force: Force
 };
 
 window.Bolt = Bolt;