diff --git a/examples/wip/gravity.js b/examples/wip/gravity.js
new file mode 100644
index 00000000..7906e98f
--- /dev/null
+++ b/examples/wip/gravity.js
@@ -0,0 +1,39 @@
+var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'phaser-example', { preload: preload, create: create, update: update, render: render });
+
+function preload() {
+    game.load.image('arrow', 'assets/sprites/arrow.png');
+
+}
+
+var sprite;
+
+var setGravityToPointXY = function(game,sprite,power, radiusLow,radiusHigh,pointX,pointY){
+    var pointXY = new Phaser.Point(pointX,pointY);
+    var tempDistance = Phaser.Point.distance(sprite,pointXY);
+    if(tempDistance>radiusLow&&tempDistance<radiusHigh){
+        var rotation = game.physics.angleBetween(sprite,pointXY);
+        //console.log(" ROTATION " + rotation);
+        sprite.body.gravity.y = Math.round(Math.sin(rotation)*1000)/1000 * (power);
+        sprite.body.gravity.x = Math.round(Math.cos(rotation)*1000)/1000 * (power);
+    }
+
+};
+
+function create() {
+
+    game.stage.backgroundColor = '#0072bc';
+
+    sprite = game.add.sprite(100, 100, 'arrow');
+    sprite.anchor.setTo(0.5, 0.5);
+    sprite.body.canSleep = false;
+
+}
+
+function update() {
+    setGravityToPointXY(game,sprite,20,-0,8000,100,300);
+
+}
+
+function render() {
+    game.debug.renderBodyInfo(sprite,30,32);
+}
\ No newline at end of file
diff --git a/src/physics/arcade/ArcadeBody.js b/src/physics/arcade/ArcadeBody.js
new file mode 100644
index 00000000..22446347
--- /dev/null
+++ b/src/physics/arcade/ArcadeBody.js
@@ -0,0 +1,968 @@
+/**
+* @author       Richard Davey <rich@photonstorm.com>
+* @copyright    2013 Photon Storm Ltd.
+* @license      {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
+*/
+
+/**
+* The Physics Body is linked to a single Sprite. All physics operations should be performed against the body rather than
+* the Sprite itself. For example you can set the velocity, acceleration, bounce values etc all on the Body.
+*
+* @class Phaser.Physics.Arcade.Body
+* @classdesc Arcade Physics Body Constructor
+* @constructor
+* @param {Phaser.Sprite} sprite - The Sprite object this physics body belongs to.
+*/
+Phaser.Physics.Arcade.Body = function (sprite) {
+
+    /**
+    * @property {Phaser.Sprite} sprite - Reference to the parent Sprite.
+    */
+    this.sprite = sprite;
+
+    /**
+    * @property {Phaser.Game} game - Local reference to game.
+    */
+    this.game = sprite.game;
+
+    /**
+    * @property {Phaser.Point} offset - The offset of the Physics Body from the Sprite x/y position.
+    */
+    this.offset = new Phaser.Point();
+
+    /**
+    * @property {number} x - The x position of the physics body.
+    * @readonly
+    */
+    this.x = sprite.x;
+
+    /**
+    * @property {number} y - The y position of the physics body.
+    * @readonly
+    */
+    this.y = sprite.y;
+
+    /**
+    * @property {number} preX - The previous x position of the physics body.
+    * @readonly
+    */
+    this.preX = sprite.x;
+
+    /**
+    * @property {number} preY - The previous y position of the physics body.
+    * @readonly
+    */
+    this.preY = sprite.y;
+
+    /**
+    * @property {number} preRotation - The previous rotation of the physics body.
+    * @readonly
+    */
+    this.preRotation = sprite.angle;
+
+    /**
+    * @property {number} screenX - The x position of the physics body translated to screen space.
+    * @readonly
+    */
+    this.screenX = sprite.x;
+
+    /**
+    * @property {number} screenY - The y position of the physics body translated to screen space.
+    * @readonly
+    */
+    this.screenY = sprite.y;
+
+    /**
+    * @property {number} sourceWidth - The un-scaled original size.
+    * @readonly
+    */
+    this.sourceWidth = sprite.currentFrame.sourceSizeW;
+
+    /**
+    * @property {number} sourceHeight - The un-scaled original size.
+    * @readonly
+    */
+    this.sourceHeight = sprite.currentFrame.sourceSizeH;
+
+    /**
+    * @property {number} width - The calculated width of the physics body.
+    */
+    this.width = sprite.currentFrame.sourceSizeW;
+
+    /**
+    * @property .numInternal ID cache
+    */
+    this.height = sprite.currentFrame.sourceSizeH;
+
+    /**
+    * @property {number} halfWidth - The calculated width / 2 of the physics body.
+    */
+    this.halfWidth = Math.floor(sprite.currentFrame.sourceSizeW / 2);
+
+    /**
+    * @property {number} halfHeight - The calculated height / 2 of the physics body.
+    */
+    this.halfHeight = Math.floor(sprite.currentFrame.sourceSizeH / 2);
+
+    /**
+    * @property {Phaser.Point} center - The center coordinate of the Physics Body.
+    */
+    this.center = new Phaser.Point(this.x + this.halfWidth, this.y + this.halfHeight);
+
+    /**
+    * @property {Phaser.Point} motionVelocity - The data from the updateMotion function.
+    */
+    this.motionVelocity = new Phaser.Point();
+
+    /**
+    * @property {Phaser.Point} velocity - The velocity in pixels per second sq. of the Body.
+    */
+    this.velocity = new Phaser.Point();
+
+    /**
+    * @property {Phaser.Point} acceleration - The velocity in pixels per second sq. of the Body.
+    */
+    this.acceleration = new Phaser.Point();
+
+    /**
+    * @property {number} speed - The speed in pixels per second sq. of the Body.
+    */
+    this.speed = 0;
+
+    /**
+    * @property {number} angle - The angle of the Body in radians.
+    */
+    this.angle = 0;
+
+    /**
+    * @property {number} minBounceVelocity - The minimum bounce velocity (could just be the bounce value?).
+    */
+    // this.minBounceVelocity = 0.5;
+
+    this._debug = 0;
+
+    /**
+    * @property {Phaser.Point} gravity - The gravity applied to the motion of the Body.
+    */
+    this.gravity = new Phaser.Point();
+
+    /**
+    * @property {Phaser.Point} bounce - The elasticitiy of the Body when colliding. bounce.x/y = 1 means full rebound, bounce.x/y = 0.5 means 50% rebound velocity.
+    */
+    this.bounce = new Phaser.Point();
+
+    /**
+    * @property {Phaser.Point} minVelocity - When a body rebounds off another the minVelocity is checked, if the new velocity is lower than the minVelocity the body is stopped.
+    * @default
+    */
+    this.minVelocity = new Phaser.Point(20, 20);
+
+    /**
+    * @property {Phaser.Point} maxVelocity - The maximum velocity in pixels per second sq. that the Body can reach.
+    * @default
+    */
+    this.maxVelocity = new Phaser.Point(10000, 10000);
+
+    /**
+    * @property {number} angularVelocity - The angular velocity in pixels per second sq. of the Body.
+    * @default
+    */
+    this.angularVelocity = 0;
+
+    /**
+    * @property {number} angularAcceleration - The angular acceleration in pixels per second sq. of the Body.
+    * @default
+    */
+    this.angularAcceleration = 0;
+
+    /**
+    * @property {number} angularDrag - The angular drag applied to the rotation of the Body.
+    * @default
+    */
+    this.angularDrag = 0;
+
+    /**
+    * @property {number} maxAngular - The maximum angular velocity in pixels per second sq. that the Body can reach.
+    * @default
+    */
+    this.maxAngular = 1000;
+
+    /**
+    * @property {number} mass - The mass of the Body.
+    * @default
+    */
+    this.mass = 1;
+
+    /**
+    * Set the allowCollision properties to control which directions collision is processed for this Body.
+    * For example allowCollision.up = false means it won't collide when the collision happened while moving up.
+    * @property {object} allowCollision - An object containing allowed collision.
+    */
+    this.allowCollision = { none: false, any: true, up: true, down: true, left: true, right: true };
+
+    /**
+    * This object is populated with boolean values when the Body collides with another.
+    * touching.up = true means the collision happened to the top of this Body for example.
+    * @property {object} touching - An object containing touching results.
+    */
+    this.touching = { none: true, up: false, down: false, left: false, right: false };
+    this.touchingPoint = new Phaser.Point(this.x, this.y);
+
+    /**
+    * This object is populated with previous touching values from the bodies previous collision.
+    * @property {object} wasTouching - An object containing previous touching results.
+    */
+    this.wasTouching = { none: true, up: false, down: false, left: false, right: false };
+
+    /**
+    * @property {number} facing - A const reference to the direction the Body is traveling or facing.
+    * @default
+    */
+    this.facing = Phaser.NONE;
+
+    /**
+    * @property {boolean} immovable - An immovable Body will not receive any impacts or exchanges of velocity from other bodies.
+    * @default
+    */
+    this.immovable = false;
+
+    /**
+    * @property {boolean} moves - Set to true to allow the Physics system to move this Body, other false to move it manually.
+    * @default
+    */
+    this.moves = true;
+
+    /**
+    * @property {number} rotation - The amount the parent Sprite is rotated. Note: You cannot rotate an AABB.
+    * @default
+    */
+    this.rotation = 0;
+
+    /**
+    * @property {boolean} allowRotation - Allow angular rotation? This will cause the Sprite to be rotated via angularVelocity, etc. Note that the AABB remains un-rotated.
+    * @default
+    */
+    this.allowRotation = true;
+
+    /**
+    * @property {boolean} allowGravity - Allow this Body to be influenced by the global Gravity value? Note: It will always be influenced by the local gravity value.
+    * @default
+    */
+    this.allowGravity = true;
+
+    /**
+    * This flag allows you to disable the custom x separation that takes place by Physics.Arcade.separate.
+    * Used in combination with your own collision processHandler you can create whatever type of collision response you need.
+    * @property {boolean} customSeparateX - Use a custom separation system or the built-in one?
+    * @default
+    */
+    this.customSeparateX = false;
+
+    /**
+    * This flag allows you to disable the custom y separation that takes place by Physics.Arcade.separate.
+    * Used in combination with your own collision processHandler you can create whatever type of collision response you need.
+    * @property {boolean} customSeparateY - Use a custom separation system or the built-in one?
+    * @default
+    */
+    this.customSeparateY = false;
+
+    /**
+    * When this body collides with another, the amount of overlap is stored here.
+    * @property {number} overlapX - The amount of horizontal overlap during the collision.
+    */
+    this.overlapX = 0;
+
+    /**
+    * When this body collides with another, the amount of overlap is stored here.
+    * @property {number} overlapY - The amount of vertical overlap during the collision.
+    */
+    this.overlapY = 0;
+
+    /**
+    * @property {number} friction - The amount of friction this body experiences during motion.
+    * @default
+    */
+    this.friction = 0;
+
+    /**
+    * If a body is overlapping with another body, but neither of them are moving (maybe they spawned on-top of each other?) this is set to true.
+    * @property {boolean} embedded - Body embed value.
+    */
+    this.embedded = false;
+
+    /**
+    * A Body can be set to collide against the World bounds automatically and rebound back into the World if this is set to true. Otherwise it will leave the World.
+    * @property {boolean} collideWorldBounds - Should the Body collide with the World bounds?
+    */
+    this.collideWorldBounds = false;
+
+    /**
+    * This object is populated with boolean values when the Body collides with the World bounds or a Tile.
+    * For example if blocked.up is true then the Body cannot move up.
+    * @property {object} blocked - An object containing on which faces this Body is blocked from moving, if any.
+    */
+    this.blocked = { up: false, down: false, left: false, right: false };
+    this.blockedPoint = new Phaser.Point();
+
+    /**
+    * @property {number} _dx - Internal cache var.
+    * @private
+    */
+    this._dx = 0;
+
+    /**
+    * @property {number} _dy - Internal cache var.
+    * @private
+    */
+    this._dy = 0;
+
+    /**
+    * @property {number} _sx - Internal cache var.
+    * @private
+    */
+    this._sx = sprite.scale.x;
+
+    /**
+    * @property {number} _sy - Internal cache var.
+    * @private
+    */
+    this._sy = sprite.scale.y;
+
+};
+
+Phaser.Physics.Arcade.Body.prototype = {
+
+    /**
+    * Internal method.
+    *
+    * @method Phaser.Physics.Arcade#updateBounds
+    * @protected
+    */
+    updateBounds: function (centerX, centerY, scaleX, scaleY) {
+
+        if (scaleX != this._sx || scaleY != this._sy)
+        {
+            this.width = this.sourceWidth * scaleX;
+            this.height = this.sourceHeight * scaleY;
+            this.halfWidth = Math.floor(this.width / 2);
+            this.halfHeight = Math.floor(this.height / 2);
+            this._sx = scaleX;
+            this._sy = scaleY;
+            this.center.setTo(this.x + this.halfWidth, this.y + this.halfHeight);
+        }
+
+    },
+
+    /**
+    * Internal method.
+    *
+    * @method Phaser.Physics.Arcade#preUpdate
+    * @protected
+    */
+    preUpdate: function () {
+
+        //  Store and reset collision flags
+        this.wasTouching.none = this.touching.none;
+        this.wasTouching.up = this.touching.up;
+        this.wasTouching.down = this.touching.down;
+        this.wasTouching.left = this.touching.left;
+        this.wasTouching.right = this.touching.right;
+
+        this.screenX = (this.sprite.worldTransform[2] - (this.sprite.anchor.x * this.width)) + this.offset.x;
+        this.screenY = (this.sprite.worldTransform[5] - (this.sprite.anchor.y * this.height)) + this.offset.y;
+
+        this.preX = (this.sprite.world.x - (this.sprite.anchor.x * this.width)) + this.offset.x;
+        this.preY = (this.sprite.world.y - (this.sprite.anchor.y * this.height)) + this.offset.y;
+        this.preRotation = this.sprite.angle;
+
+        //  This all needs to move - because a body may start the preUpdate already touching something
+        //  See if we can reduce this down?
+        this.blocked.up = false;
+        this.blocked.down = false;
+        this.blocked.left = false;
+        this.blocked.right = false;
+
+        this.embedded = false;
+
+        this.x = this.preX;
+        this.y = this.preY;
+        this.rotation = this.preRotation;
+
+        // if (this.deltaX() == 0 && (this.touchingPoint.x !== this.x || this.touchingPoint.y !== this.y))
+        // {
+        //     console.log('touch reset', this.x, this.y, this.touchingPoint);
+        //     this.touching.none = true;
+        //     this.touching.up = false;
+        //     this.touching.down = false;
+        //     this.touching.left = false;
+        //     this.touching.right = false;
+        // }
+
+        this.speed = Math.sqrt(this.velocity.x * this.velocity.x + this.velocity.y * this.velocity.y);
+        this.angle = Math.atan2(this.velocity.y, this.velocity.x);
+
+        this._debug++;
+
+        if (this.moves)
+        {
+            if (this.collideWorldBounds)
+            {
+                this.checkWorldBounds();
+            }
+
+            this.game.physics.updateMotion(this);
+            
+            this.applyMotion();
+        }
+
+    },
+
+    /**
+    * Internal method used to check the Body against the World Bounds.
+    *
+    * @method Phaser.Physics.Arcade#checkWorldBounds
+    * @protected
+    */
+    checkWorldBounds: function () {
+
+        if (this.x <= this.game.world.bounds.x)
+        {
+            this.overlapX = this.game.world.bounds.x - this.x;
+            this.blocked.left = true;
+            // console.log(this._debug, 'cwl', this.overlapX, this.x, this.game.world.bounds.x);
+        }
+        else if (this.right >= this.game.world.bounds.right)
+        {
+            this.overlapX = this.right - this.game.world.bounds.right;
+            this.blocked.right = true;
+            // console.log(this._debug, 'cwr', this.overlapX, this.x, this.game.world.bounds.x);
+        }
+
+        if (this.y <= this.game.world.bounds.y)
+        {
+            this.overlapY = this.game.world.bounds.y - this.y;
+            this.blocked.up = true;
+            // console.log(this._debug, 'cwu', this.overlapY, this.y, this.height, this.bottom, this.game.world.bounds.bottom);
+        }
+        else if (this.bottom >= this.game.world.bounds.bottom)
+        {
+            this.overlapY = this.bottom - this.game.world.bounds.bottom;
+            this.blocked.down = true;
+            // console.log(this._debug, 'cwd', this.overlapY, this.y, this.height, this.bottom, this.game.world.bounds.bottom);
+        }
+
+        this.blockedPoint.setTo(this.x, this.y);
+
+    },
+
+    /**
+    * Internal method.
+    *
+    * @method Phaser.Physics.Arcade#applyMotion
+    * @protected
+    */
+    applyMotion: function () {
+
+        if (this.friction > 0 && this.acceleration.isZero())
+        {
+            if (this.speed > this.friction)
+            {
+                this.speed -= this.friction;
+            }
+            else
+            {
+                this.speed = 0;
+            }
+
+            this.velocity.x = Math.cos(this.angle) * this.speed;
+            this.velocity.y = Math.sin(this.angle) * this.speed;
+        }
+
+        //  overlapX/Y values at this point will be penetration into the bounds and DELTA WILL BE ZERO
+        if (this.blocked.left)
+        {
+            //  Separate
+            this.x += this.overlapX;
+
+            // console.log(this._debug, 'blocked left', this.x, this.overlapX);
+
+            this.velocity.x *= -this.bounce.x;
+
+            this._dx = this.game.time.physicsElapsed * (this.velocity.x + this.motionVelocity.x / 2);
+
+            // if (this._dx > this.minBounceVelocity)
+            if (Math.abs(this.velocity.x) > this.minVelocity.x)
+            {
+                this.x += this._dx;
+                this.velocity.x += this.motionVelocity.x;
+                // console.log(this._debug, 'blocked left', this._dx, 'overlap', this.overlapX, 'delta', this.deltaX(), 'newy', this.x);
+            }
+            else
+            {
+                //  Kill it dead :)
+                this.preX = this.x; // because we don't want any delta from a separation
+                this.velocity.x = 0;
+                this.motionVelocity.x = 0;
+                // console.log(this._debug, 'blocked left KILL', this._dx, 'overlap', this.overlapX, 'delta', this.deltaX(), 'newy', this.x);
+            }
+        }
+        else if (this.blocked.right)
+        {
+            //  Separate
+            this.x -= this.overlapX;
+
+            this.velocity.x *= -this.bounce.x;
+
+            this._dx = this.game.time.physicsElapsed * (this.velocity.x + this.motionVelocity.x / 2);
+
+            if (this._dx < -this.minBounceVelocity)
+            {
+                this.x += this._dx;
+                this.velocity.x += this.motionVelocity.x;
+                // console.log(this._debug, 'blocked right', this._dx, 'overlap', this.overlapX, 'delta', this.deltaX(), 'newy', this.x);
+            }
+            else
+            {
+                //  Kill it dead :)
+                this.preX = this.x; // because we don't want any delta from a separation
+                this.velocity.x = 0;
+                this.motionVelocity.x = 0;
+                // console.log(this._debug, 'blocked right KILL', this._dx, 'overlap', this.overlapX, 'delta', this.deltaX(), 'newy', this.x);
+            }
+        }
+        else
+        {
+            this.x += this.game.time.physicsElapsed * (this.velocity.x + this.motionVelocity.x / 2);
+            this.velocity.x += this.motionVelocity.x;
+        }
+
+        //  overlapX/Y values at this point will be penetration into the bounds and DELTA WILL BE ZERO
+        if (this.blocked.up)
+        {
+            //  Separate
+            this.y += this.overlapY;
+
+            this.velocity.y *= -this.bounce.y;
+
+            this._dy = this.game.time.physicsElapsed * (this.velocity.y + this.motionVelocity.y / 2);
+
+            // if (this._dy > this.minBounceVelocity)
+            if (Math.abs(this.velocity.y) > this.minVelocity.y)
+            {
+                this.y += this._dy;
+                this.velocity.y += this.motionVelocity.y;
+            }
+            else
+            {
+                //  Kill it dead :)
+                this.preY = this.y; // because we don't want any delta from a separation
+                this.velocity.y = 0;
+                this.motionVelocity.y = 0;
+                // console.log(this._debug, 'void1', this.velocity.y, 'delta', this.deltaY());
+            }
+        }
+        else if (this.blocked.down)
+        {
+            //  Separate
+            this.y -= this.overlapY;
+
+            this.velocity.y *= -this.bounce.y;
+
+            this._dy = this.game.time.physicsElapsed * (this.velocity.y + this.motionVelocity.y / 2);
+
+            // if (this._dy < -this.minBounceVelocity)
+            if (Math.abs(this.velocity.y) > this.minVelocity.y)
+            {
+                this.y += this._dy;
+                this.velocity.y += this.motionVelocity.y;
+                // console.log(this._debug, 'rb', this._dy, 'delta', this.deltaY(), 'newy', this.y);
+            }
+            else
+            {
+                //  Kill it dead :)
+                this.preY = this.y; // because we don't want any delta from a separation
+                this.velocity.y = 0;
+                this.motionVelocity.y = 0;
+                // console.log(this._debug, 'void1', this.velocity.y, 'delta', this.deltaY());
+            }
+        }
+        else
+        {
+            this.y += this.game.time.physicsElapsed * (this.velocity.y + this.motionVelocity.y / 2);
+            this.velocity.y += this.motionVelocity.y;
+        }
+
+        if (this.velocity.x > this.maxVelocity.x)
+        {
+            this.velocity.x = this.maxVelocity.x;
+        }
+        else if (this.velocity.x < -this.maxVelocity.x)
+        {
+            this.velocity.x = -this.maxVelocity.x;
+        }
+
+        if (this.velocity.y > this.maxVelocity.y)
+        {
+            this.velocity.y = this.maxVelocity.y;
+        }
+        else if (this.velocity.y < -this.maxVelocity.y)
+        {
+            this.velocity.y = -this.maxVelocity.y;
+        }
+
+    },
+
+    //  This body is the one that is checking against 'body'
+    separateX: function (body) {
+
+        //  Doesn't matter if this is moving or not
+        console.log('--- separateX -----------------------------------------------------------------------------');
+        console.log(this.sprite.name, 'testing against', body.sprite.name);
+        console.log(this.sprite.name, 'moving left:', (this.deltaX() < 0), 'moving right:', (this.deltaX() > 0));
+
+        this.overlapX = 0;
+
+        if (this.x < body.x)
+        {
+            this.overlapX = this.right - body.x;
+        }
+        else
+        {
+            this.overlapX = body.right - this.x;
+        }
+
+        //  There are 5 possible collisions taking place
+        // if (this.deltaX() === 0 && body.deltaX())
+
+        // if (this.deltaX() < 0 )
+
+        // if (this.deltaX() < 0 && this.allowCollision.left && body.allowCollision.right)
+
+        //  This body is moving, the body it collided with is not
+
+    },
+
+    separate: function (body) {
+
+        console.log('-----------------------------------------------------------------------------');
+        console.log(this.sprite.name, 'testing against', body.sprite.name);
+        console.log(this.sprite.name, 'moving left:', (this.deltaX() < 0), 'moving right:', (this.deltaX() > 0));
+
+        this.overlapX = 0;
+        this.overlapY = 0;
+
+        if (this.deltaX() < 0 && this.allowCollision.left && body.allowCollision.right)
+        {
+            //  LEFT (will create a negative overlapX value)
+            this.overlapX = this.x - body.right;
+            console.log(this.sprite.name, 'check left', body.right, this.overlapX);
+        }
+        else if (this.deltaX() > 0 && this.allowCollision.right && body.allowCollision.left)
+        {
+            //  RIGHT (will create a positive overlapX value)
+            this.overlapX = this.right - body.x;
+            console.log(this.sprite.name, 'check right', this.overlapX);
+        }
+
+        if (this.deltaY() < 0 && this.allowCollision.up && body.allowCollision.down)
+        {
+            //  UP (will create a negative overlapY value)
+            this.overlapY = this.y - body.bottom;
+        }
+        else if (this.deltaY() > 0 && this.allowCollision.down && body.allowCollision.up)
+        {
+            //  DOWN
+            this.overlapY = this.bottom - body.y;
+        }
+
+        if (this.overlapX === 0 && this.overlapY === 0)
+        {
+            return false;
+        }
+        else
+        {
+            this.overlapHandler(this.overlapX, this.overlapY, body);
+            body.overlapHandler(this.overlapX, this.overlapY, this);
+
+            return true;
+        }
+
+    },
+
+    overlapHandler: function (x, y, body) {
+
+        if (x !== 0)
+        {
+            //  Both moving, so let's cut the overlap in half
+            if (this.deltaX() != 0 && body.deltaX() != 0)
+            {
+                console.log(this.sprite.name, 'both overlap, halving');
+                x * 0.5;
+            }
+
+            if (this.deltaX() !== 0)
+            {
+                //  Not moving, caught impact from another object
+
+            }
+            else
+            {
+
+            }
+
+            if (this.deltaX() < 0 && !this.blocked.right)
+            {
+                //  This body is moving left
+                this.x += x;
+                console.log(this.sprite.name, 'touch h-left', this.x, x);
+            }
+            else if (this.deltaX() > 0 && !this.body.blocked.left)
+            {
+                this.x -= x;
+                console.log(this.sprite.name, 'touch h-right', this.x);
+            }
+            else
+            {
+            }
+
+            if (this.bounce.x === 0)
+            {
+                this.velocity.x = 0;
+            }
+            else
+            {
+                this.velocity.x = -this.velocity.x * this.bounce.x;
+
+                if (Math.abs(this.velocity.x) < this.minVelocity.x)
+                {
+                    this.velocity.x = 0;
+                }
+            }
+        }
+
+        this.sprite.x += this.deltaX();
+        this.sprite.y += this.deltaY();
+
+        console.log(this.sprite.name, 'separate finished. Sprite.x', this.sprite.x, 'body x', this.x);
+
+        //  reset delta ready for next collision
+        this.preX = this.x;
+        this.preY = this.y;
+
+    },
+
+    /**
+    * Internal method. This is called directly before the sprites are sent to the renderer.
+    *
+    * @method Phaser.Physics.Arcade#postUpdate
+    * @protected
+    */
+    postUpdate: function () {
+
+        if (this.moves)
+        {
+            // if (this.deltaX() < 0)
+            // {
+            //     this.facing = Phaser.LEFT;
+            // }
+            // else if (this.deltaX() > 0)
+            // {
+            //     this.facing = Phaser.RIGHT;
+            //     this.sprite.x += this.deltaX();
+            // }
+
+            // if (this.deltaY() < 0)
+            // {
+            //     this.facing = Phaser.UP;
+            //     this.sprite.y += this.deltaY();
+            // }
+            // else if (this.deltaY() > 0)
+            // {
+            //     this.facing = Phaser.DOWN;
+            // }
+
+            this.sprite.x += this.deltaX();
+            this.sprite.y += this.deltaY();
+
+            this.center.setTo(this.x + this.halfWidth, this.y + this.halfHeight);
+
+            if (this.allowRotation)
+            {
+                this.sprite.angle += this.deltaZ();
+            }
+        }
+
+    },
+
+
+    /**
+    * You can modify the size of the physics Body to be any dimension you need.
+    * So it could be smaller or larger than the parent Sprite. You can also control the x and y offset, which
+    * is the position of the Body relative to the top-left of the Sprite.
+    *
+    * @method Phaser.Physics.Arcade#setSize
+    * @param {number} width - The width of the Body.
+    * @param {number} height - The height of the Body.
+    * @param {number} offsetX - The X offset of the Body from the Sprite position.
+    * @param {number} offsetY - The Y offset of the Body from the Sprite position.
+    */
+    setSize: function (width, height, offsetX, offsetY) {
+
+        offsetX = offsetX || this.offset.x;
+        offsetY = offsetY || this.offset.y;
+
+        this.sourceWidth = width;
+        this.sourceHeight = height;
+        this.width = this.sourceWidth * this._sx;
+        this.height = this.sourceHeight * this._sy;
+        this.halfWidth = Math.floor(this.width / 2);
+        this.halfHeight = Math.floor(this.height / 2);
+        this.offset.setTo(offsetX, offsetY);
+
+        this.center.setTo(this.x + this.halfWidth, this.y + this.halfHeight);
+
+    },
+
+    /**
+    * Resets all Body values (velocity, acceleration, rotation, etc)
+    *
+    * @method Phaser.Physics.Arcade#reset
+    */
+    reset: function () {
+
+        this.velocity.setTo(0, 0);
+        this.acceleration.setTo(0, 0);
+
+        this.angularVelocity = 0;
+        this.angularAcceleration = 0;
+        this.preX = (this.sprite.world.x - (this.sprite.anchor.x * this.width)) + this.offset.x;
+        this.preY = (this.sprite.world.y - (this.sprite.anchor.y * this.height)) + this.offset.y;
+        this.preRotation = this.sprite.angle;
+
+        this.x = this.preX;
+        this.y = this.preY;
+        this.rotation = this.preRotation;
+        
+        this.center.setTo(this.x + this.halfWidth, this.y + this.halfHeight);
+
+    },
+
+    /**
+    * Returns the absolute delta x value.
+    *
+    * @method Phaser.Physics.Arcade.Body#deltaAbsX
+    * @return {number} The absolute delta value.
+    */
+    deltaAbsX: function () {
+        return (this.deltaX() > 0 ? this.deltaX() : -this.deltaX());
+    },
+
+    /**
+    * Returns the absolute delta y value.
+    *
+    * @method Phaser.Physics.Arcade.Body#deltaAbsY
+    * @return {number} The absolute delta value.
+    */
+    deltaAbsY: function () {
+        return (this.deltaY() > 0 ? this.deltaY() : -this.deltaY());
+    },
+
+    /**
+    * Returns the delta x value. The difference between Body.x now and in the previous step.
+    *
+    * @method Phaser.Physics.Arcade.Body#deltaX
+    * @return {number} The delta value. Positive if the motion was to the right, negative if to the left.
+    */
+    deltaX: function () {
+        return this.x - this.preX;
+    },
+
+    /**
+    * Returns the delta y value. The difference between Body.y now and in the previous step.
+    *
+    * @method Phaser.Physics.Arcade.Body#deltaY
+    * @return {number} The delta value. Positive if the motion was downwards, negative if upwards.
+    */
+    deltaY: function () {
+        return this.y - this.preY;
+    },
+
+    deltaZ: function () {
+        return this.rotation - this.preRotation;
+    }
+
+};
+
+Phaser.Physics.Arcade.Body.prototype.constructor = Phaser.Physics.Arcade.Body;
+
+/**
+* @name Phaser.Physics.Arcade.Body#bottom
+* @property {number} bottom - The bottom value of this Body (same as Body.y + Body.height)
+*/
+Object.defineProperty(Phaser.Physics.Arcade.Body.prototype, "bottom", {
+    
+    /**
+    * The sum of the y and height properties. Changing the bottom property of a Rectangle object has no effect on the x, y and width properties, but does change the height property.
+    * @method bottom
+    * @return {number}
+    */
+    get: function () {
+        return this.y + this.height;
+    },
+
+    /**
+    * The sum of the y and height properties. Changing the bottom property of a Rectangle object has no effect on the x, y and width properties, but does change the height property.
+    * @method bottom
+    * @param {number} value
+    */
+    set: function (value) {
+
+        if (value <= this.y)
+        {
+            this.height = 0;
+        }
+        else
+        {
+            this.height = (this.y - value);
+        }
+        
+    }
+
+});
+
+/**
+* @name Phaser.Physics.Arcade.Body#right
+* @property {number} right - The right value of this Body (same as Body.x + Body.width)
+*/
+Object.defineProperty(Phaser.Physics.Arcade.Body.prototype, "right", {
+    
+    /**
+    * The sum of the x and width properties. Changing the right property of a Rectangle object has no effect on the x, y and height properties.
+    * However it does affect the width property.
+    * @method right
+    * @return {number}
+    */
+    get: function () {
+        return this.x + this.width;
+    },
+
+    /**
+    * The sum of the x and width properties. Changing the right property of a Rectangle object has no effect on the x, y and height properties.
+    * However it does affect the width property.
+    * @method right
+    * @param {number} value
+    */
+    set: function (value) {
+
+        if (value <= this.x)
+        {
+            this.width = 0;
+        }
+        else
+        {
+            this.width = this.x + value;
+        }
+
+    }
+
+});
diff --git a/src/physics/arcade/Body.js b/src/physics/arcade/Body.js
index 22446347..cb44ca9e 100644
--- a/src/physics/arcade/Body.js
+++ b/src/physics/arcade/Body.js
@@ -60,50 +60,16 @@ Phaser.Physics.Arcade.Body = function (sprite) {
     */
     this.preRotation = sprite.angle;
 
-    /**
-    * @property {number} screenX - The x position of the physics body translated to screen space.
-    * @readonly
-    */
-    this.screenX = sprite.x;
-
-    /**
-    * @property {number} screenY - The y position of the physics body translated to screen space.
-    * @readonly
-    */
-    this.screenY = sprite.y;
-
-    /**
-    * @property {number} sourceWidth - The un-scaled original size.
-    * @readonly
-    */
-    this.sourceWidth = sprite.currentFrame.sourceSizeW;
-
-    /**
-    * @property {number} sourceHeight - The un-scaled original size.
-    * @readonly
-    */
-    this.sourceHeight = sprite.currentFrame.sourceSizeH;
-
     /**
     * @property {number} width - The calculated width of the physics body.
     */
     this.width = sprite.currentFrame.sourceSizeW;
 
     /**
-    * @property .numInternal ID cache
+    * @property {number} height - The calculated height of the physics body.
     */
     this.height = sprite.currentFrame.sourceSizeH;
 
-    /**
-    * @property {number} halfWidth - The calculated width / 2 of the physics body.
-    */
-    this.halfWidth = Math.floor(sprite.currentFrame.sourceSizeW / 2);
-
-    /**
-    * @property {number} halfHeight - The calculated height / 2 of the physics body.
-    */
-    this.halfHeight = Math.floor(sprite.currentFrame.sourceSizeH / 2);
-
     /**
     * @property {Phaser.Point} center - The center coordinate of the Physics Body.
     */
@@ -206,19 +172,6 @@ Phaser.Physics.Arcade.Body = function (sprite) {
     * @property {object} touching - An object containing touching results.
     */
     this.touching = { none: true, up: false, down: false, left: false, right: false };
-    this.touchingPoint = new Phaser.Point(this.x, this.y);
-
-    /**
-    * This object is populated with previous touching values from the bodies previous collision.
-    * @property {object} wasTouching - An object containing previous touching results.
-    */
-    this.wasTouching = { none: true, up: false, down: false, left: false, right: false };
-
-    /**
-    * @property {number} facing - A const reference to the direction the Body is traveling or facing.
-    * @default
-    */
-    this.facing = Phaser.NONE;
 
     /**
     * @property {boolean} immovable - An immovable Body will not receive any impacts or exchanges of velocity from other bodies.
@@ -284,12 +237,6 @@ Phaser.Physics.Arcade.Body = function (sprite) {
     */
     this.friction = 0;
 
-    /**
-    * If a body is overlapping with another body, but neither of them are moving (maybe they spawned on-top of each other?) this is set to true.
-    * @property {boolean} embedded - Body embed value.
-    */
-    this.embedded = false;
-
     /**
     * A Body can be set to collide against the World bounds automatically and rebound back into the World if this is set to true. Otherwise it will leave the World.
     * @property {boolean} collideWorldBounds - Should the Body collide with the World bounds?
@@ -302,7 +249,6 @@ Phaser.Physics.Arcade.Body = function (sprite) {
     * @property {object} blocked - An object containing on which faces this Body is blocked from moving, if any.
     */
     this.blocked = { up: false, down: false, left: false, right: false };
-    this.blockedPoint = new Phaser.Point();
 
     /**
     * @property {number} _dx - Internal cache var.
@@ -340,16 +286,16 @@ Phaser.Physics.Arcade.Body.prototype = {
     */
     updateBounds: function (centerX, centerY, scaleX, scaleY) {
 
-        if (scaleX != this._sx || scaleY != this._sy)
-        {
-            this.width = this.sourceWidth * scaleX;
-            this.height = this.sourceHeight * scaleY;
-            this.halfWidth = Math.floor(this.width / 2);
-            this.halfHeight = Math.floor(this.height / 2);
-            this._sx = scaleX;
-            this._sy = scaleY;
-            this.center.setTo(this.x + this.halfWidth, this.y + this.halfHeight);
-        }
+        // if (scaleX != this._sx || scaleY != this._sy)
+        // {
+        //     this.width = this.sourceWidth * scaleX;
+        //     this.height = this.sourceHeight * scaleY;
+        //     this.halfWidth = Math.floor(this.width / 2);
+        //     this.halfHeight = Math.floor(this.height / 2);
+        //     this._sx = scaleX;
+        //     this._sy = scaleY;
+        //     this.center.setTo(this.x + this.halfWidth, this.y + this.halfHeight);
+        // }
 
     },
 
@@ -361,43 +307,23 @@ Phaser.Physics.Arcade.Body.prototype = {
     */
     preUpdate: function () {
 
-        //  Store and reset collision flags
-        this.wasTouching.none = this.touching.none;
-        this.wasTouching.up = this.touching.up;
-        this.wasTouching.down = this.touching.down;
-        this.wasTouching.left = this.touching.left;
-        this.wasTouching.right = this.touching.right;
-
-        this.screenX = (this.sprite.worldTransform[2] - (this.sprite.anchor.x * this.width)) + this.offset.x;
-        this.screenY = (this.sprite.worldTransform[5] - (this.sprite.anchor.y * this.height)) + this.offset.y;
+        // this.screenX = (this.sprite.worldTransform[2] - (this.sprite.anchor.x * this.width)) + this.offset.x;
+        // this.screenY = (this.sprite.worldTransform[5] - (this.sprite.anchor.y * this.height)) + this.offset.y;
 
         this.preX = (this.sprite.world.x - (this.sprite.anchor.x * this.width)) + this.offset.x;
         this.preY = (this.sprite.world.y - (this.sprite.anchor.y * this.height)) + this.offset.y;
         this.preRotation = this.sprite.angle;
 
         //  This all needs to move - because a body may start the preUpdate already touching something
-        //  See if we can reduce this down?
-        this.blocked.up = false;
-        this.blocked.down = false;
-        this.blocked.left = false;
-        this.blocked.right = false;
-
-        this.embedded = false;
+        // this.blocked.up = false;
+        // this.blocked.down = false;
+        // this.blocked.left = false;
+        // this.blocked.right = false;
 
         this.x = this.preX;
         this.y = this.preY;
         this.rotation = this.preRotation;
 
-        // if (this.deltaX() == 0 && (this.touchingPoint.x !== this.x || this.touchingPoint.y !== this.y))
-        // {
-        //     console.log('touch reset', this.x, this.y, this.touchingPoint);
-        //     this.touching.none = true;
-        //     this.touching.up = false;
-        //     this.touching.down = false;
-        //     this.touching.left = false;
-        //     this.touching.right = false;
-        // }
-
         this.speed = Math.sqrt(this.velocity.x * this.velocity.x + this.velocity.y * this.velocity.y);
         this.angle = Math.atan2(this.velocity.y, this.velocity.x);
 
@@ -612,145 +538,6 @@ Phaser.Physics.Arcade.Body.prototype = {
 
     },
 
-    //  This body is the one that is checking against 'body'
-    separateX: function (body) {
-
-        //  Doesn't matter if this is moving or not
-        console.log('--- separateX -----------------------------------------------------------------------------');
-        console.log(this.sprite.name, 'testing against', body.sprite.name);
-        console.log(this.sprite.name, 'moving left:', (this.deltaX() < 0), 'moving right:', (this.deltaX() > 0));
-
-        this.overlapX = 0;
-
-        if (this.x < body.x)
-        {
-            this.overlapX = this.right - body.x;
-        }
-        else
-        {
-            this.overlapX = body.right - this.x;
-        }
-
-        //  There are 5 possible collisions taking place
-        // if (this.deltaX() === 0 && body.deltaX())
-
-        // if (this.deltaX() < 0 )
-
-        // if (this.deltaX() < 0 && this.allowCollision.left && body.allowCollision.right)
-
-        //  This body is moving, the body it collided with is not
-
-    },
-
-    separate: function (body) {
-
-        console.log('-----------------------------------------------------------------------------');
-        console.log(this.sprite.name, 'testing against', body.sprite.name);
-        console.log(this.sprite.name, 'moving left:', (this.deltaX() < 0), 'moving right:', (this.deltaX() > 0));
-
-        this.overlapX = 0;
-        this.overlapY = 0;
-
-        if (this.deltaX() < 0 && this.allowCollision.left && body.allowCollision.right)
-        {
-            //  LEFT (will create a negative overlapX value)
-            this.overlapX = this.x - body.right;
-            console.log(this.sprite.name, 'check left', body.right, this.overlapX);
-        }
-        else if (this.deltaX() > 0 && this.allowCollision.right && body.allowCollision.left)
-        {
-            //  RIGHT (will create a positive overlapX value)
-            this.overlapX = this.right - body.x;
-            console.log(this.sprite.name, 'check right', this.overlapX);
-        }
-
-        if (this.deltaY() < 0 && this.allowCollision.up && body.allowCollision.down)
-        {
-            //  UP (will create a negative overlapY value)
-            this.overlapY = this.y - body.bottom;
-        }
-        else if (this.deltaY() > 0 && this.allowCollision.down && body.allowCollision.up)
-        {
-            //  DOWN
-            this.overlapY = this.bottom - body.y;
-        }
-
-        if (this.overlapX === 0 && this.overlapY === 0)
-        {
-            return false;
-        }
-        else
-        {
-            this.overlapHandler(this.overlapX, this.overlapY, body);
-            body.overlapHandler(this.overlapX, this.overlapY, this);
-
-            return true;
-        }
-
-    },
-
-    overlapHandler: function (x, y, body) {
-
-        if (x !== 0)
-        {
-            //  Both moving, so let's cut the overlap in half
-            if (this.deltaX() != 0 && body.deltaX() != 0)
-            {
-                console.log(this.sprite.name, 'both overlap, halving');
-                x * 0.5;
-            }
-
-            if (this.deltaX() !== 0)
-            {
-                //  Not moving, caught impact from another object
-
-            }
-            else
-            {
-
-            }
-
-            if (this.deltaX() < 0 && !this.blocked.right)
-            {
-                //  This body is moving left
-                this.x += x;
-                console.log(this.sprite.name, 'touch h-left', this.x, x);
-            }
-            else if (this.deltaX() > 0 && !this.body.blocked.left)
-            {
-                this.x -= x;
-                console.log(this.sprite.name, 'touch h-right', this.x);
-            }
-            else
-            {
-            }
-
-            if (this.bounce.x === 0)
-            {
-                this.velocity.x = 0;
-            }
-            else
-            {
-                this.velocity.x = -this.velocity.x * this.bounce.x;
-
-                if (Math.abs(this.velocity.x) < this.minVelocity.x)
-                {
-                    this.velocity.x = 0;
-                }
-            }
-        }
-
-        this.sprite.x += this.deltaX();
-        this.sprite.y += this.deltaY();
-
-        console.log(this.sprite.name, 'separate finished. Sprite.x', this.sprite.x, 'body x', this.x);
-
-        //  reset delta ready for next collision
-        this.preX = this.x;
-        this.preY = this.y;
-
-    },
-
     /**
     * Internal method. This is called directly before the sprites are sent to the renderer.
     *
@@ -761,28 +548,8 @@ Phaser.Physics.Arcade.Body.prototype = {
 
         if (this.moves)
         {
-            // if (this.deltaX() < 0)
-            // {
-            //     this.facing = Phaser.LEFT;
-            // }
-            // else if (this.deltaX() > 0)
-            // {
-            //     this.facing = Phaser.RIGHT;
-            //     this.sprite.x += this.deltaX();
-            // }
-
-            // if (this.deltaY() < 0)
-            // {
-            //     this.facing = Phaser.UP;
-            //     this.sprite.y += this.deltaY();
-            // }
-            // else if (this.deltaY() > 0)
-            // {
-            //     this.facing = Phaser.DOWN;
-            // }
-
-            this.sprite.x += this.deltaX();
-            this.sprite.y += this.deltaY();
+            // this.sprite.x += this.deltaX();
+            // this.sprite.y += this.deltaY();
 
             this.center.setTo(this.x + this.halfWidth, this.y + this.halfHeight);
 
@@ -794,35 +561,6 @@ Phaser.Physics.Arcade.Body.prototype = {
 
     },
 
-
-    /**
-    * You can modify the size of the physics Body to be any dimension you need.
-    * So it could be smaller or larger than the parent Sprite. You can also control the x and y offset, which
-    * is the position of the Body relative to the top-left of the Sprite.
-    *
-    * @method Phaser.Physics.Arcade#setSize
-    * @param {number} width - The width of the Body.
-    * @param {number} height - The height of the Body.
-    * @param {number} offsetX - The X offset of the Body from the Sprite position.
-    * @param {number} offsetY - The Y offset of the Body from the Sprite position.
-    */
-    setSize: function (width, height, offsetX, offsetY) {
-
-        offsetX = offsetX || this.offset.x;
-        offsetY = offsetY || this.offset.y;
-
-        this.sourceWidth = width;
-        this.sourceHeight = height;
-        this.width = this.sourceWidth * this._sx;
-        this.height = this.sourceHeight * this._sy;
-        this.halfWidth = Math.floor(this.width / 2);
-        this.halfHeight = Math.floor(this.height / 2);
-        this.offset.setTo(offsetX, offsetY);
-
-        this.center.setTo(this.x + this.halfWidth, this.y + this.halfHeight);
-
-    },
-
     /**
     * Resets all Body values (velocity, acceleration, rotation, etc)
     *