Removed Circle functions and updated setSize docs.

Author: photonstorm

src/physics/arcade/Body.js

@@ -625,17 +625,24 @@ 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.
+    * This allows you to make it smaller, or larger, than the parent Sprite.
+    * You can also control the x and y offset of the Body. This is the position of the
+    * Body relative to the top-left of the Sprite _texture_.
     *
-    * Calling `setSize` will have no effect if you have previously used `Body.setCircle`. To change a collision
-    * circle use `setCircle` instead.
+    * For example: If you have a Sprite with a texture that is 80x100 in size,
+    * and you want the physics body to be 32x32 pixels in the middle of the texture, you would do:
+    *
+    * `setSize(32, 32, 24, 34)`
+    *
+    * Where the first two parameters is the new Body size (32x32 pixels).
+    * 24 is the horizontal offset of the Body from the top-left of the Sprites texture, and 34
+    * is the vertical offset.
     *
     * @method Phaser.Physics.Arcade.Body#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.
+    * @param {number} [offsetX] - The X offset of the Body from the top-left of the Sprites texture.
+    * @param {number} [offsetY] - The Y offset of the Body from the top-left of the Sprites texture.
     */
     setSize: function (width, height, offsetX, offsetY) {
 
@@ -659,47 +666,6 @@ Phaser.Physics.Arcade.Body.prototype = {
 
     },
 
-    /**
-    * Sets this Body as using a circle, of the given radius, for all collision detection instead of a rectangle.
-    * The radius is given in pixels and is the distance from the center of the circle to the edge.
-    * 
-    * 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.Body#setCircle
-    * @param {number} [radius] - The radius of the Body in pixels. Pass a value of zero / undefined, to stop the Body using a circle for collision.
-    * @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.
-    */
-    setCircle: function (radius, offsetX, offsetY) {
-
-        if (offsetX === undefined) { offsetX = this.offset.x; }
-        if (offsetY === undefined) { offsetY = this.offset.y; }
-
-        if (radius > 0)
-        {
-            this.isCircle = true;
-            this.radius = radius;
-
-            this.sourceWidth = radius * 2;
-            this.sourceHeight = radius * 2;
-
-            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.position.x + this.halfWidth, this.position.y + this.halfHeight);
-        }
-        else
-        {
-            this.isCircle = false;
-        }
-
-    },
-
     /**
     * Resets all Body values (velocity, acceleration, rotation, etc)
     *