Added Friction component

Author: photonstorm

v3/src/physics/impact/ImpactBody.js

@@ -11,6 +11,7 @@ var ImpactBody = new Class({
         Components.CheckAgainst,
         Components.Collides,
         Components.Debug,
+        Components.Friction,
         Components.Gravity,
         Components.Offset,
         Components.SetGameObject,

v3/src/physics/impact/ImpactImage.js

@@ -14,6 +14,7 @@ var ImpactImage = new Class({
         Components.CheckAgainst,
         Components.Collides,
         Components.Debug,
+        Components.Friction,
         Components.Gravity,
         Components.Offset,
         Components.SetGameObject,

v3/src/physics/impact/ImpactSprite.js

@@ -14,6 +14,7 @@ var ImpactSprite = new Class({
         Components.CheckAgainst,
         Components.Collides,
         Components.Debug,
+        Components.Friction,
         Components.Gravity,
         Components.Offset,
         Components.SetGameObject,

v3/src/physics/impact/components/Friction.js

@@ -0,0 +1,27 @@
+var Friction = {
+
+    setFrictionX: function (x)
+    {
+        this.friction.x = x;
+
+        return this;
+    },
+
+    setFrictionY: function (y)
+    {
+        this.friction.y = y;
+
+        return this;
+    },
+
+    setFriction: function (x, y)
+    {
+        this.friction.x = x;
+        this.friction.y = y;
+
+        return this;
+    }
+
+};
+
+module.exports = Friction;

v3/src/physics/impact/components/index.js

@@ -8,6 +8,7 @@ module.exports = {
     CheckAgainst: require('./CheckAgainst'),
     Collides: require('./Collides'),
     Debug: require('./Debug'),
+    Friction: require('./Friction'),
     Gravity: require('./Gravity'),
     Offset: require('./Offset'),
     SetGameObject: require('./SetGameObject'),