P2.Body.addCapsule didn't use to pass the radius value through pxm, but now does so you have to specify it in pixels, not meters.

Author: photonstorm

README.md

@@ -188,6 +188,7 @@ Version 2.1.0 - "Cairhien" - -in development-
 * Rectangle.bottom setter swapped the order of the calculation (thanks @JakeCoxon #1165)
 * Phaser.Text wouldn't render the text to its local canvas if you passed the text on the constructor and didn't add it to the display list. If a string is given it now updates the local canvas on creation.
 * Signal.removeAll would ignore the context parameter and remove all bindings regardless (thanks @alect #1168)
+* P2.Body.addCapsule didn't use to pass the radius value through pxm, but now does so you have to specify it in pixels, not meters.
 
 ### p2.js 0.6.0 Changes and New Features
 

src/physics/p2/Body.js

@@ -918,15 +918,15 @@ Phaser.Physics.P2.Body.prototype = {
     *
     * @method Phaser.Physics.P2.Body#addCapsule
     * @param {number} length - The distance between the end points in pixels.
-    * @param {number} radius - Radius of the capsule in radians.
+    * @param {number} radius - Radius of the capsule in pixels.
     * @param {number} [offsetX=0] - Local horizontal offset of the shape relative to the body center of mass.
     * @param {number} [offsetY=0] - Local vertical offset of the shape relative to the body center of mass.
     * @param {number} [rotation=0] - Local rotation of the shape relative to the body center of mass, specified in radians.
     * @return {p2.Capsule} The Capsule shape that was added to the Body.
     */
     addCapsule: function (length, radius, offsetX, offsetY, rotation) {
 
-        var shape = new p2.Capsule(this.world.pxm(length), radius);
+        var shape = new p2.Capsule(this.world.pxm(length), this.world.pxm(radius));
 
         return this.addShape(shape, offsetX, offsetY, rotation);