Fixed jsdocs

Author: photonstorm

src/geom/triangle/CircumCenter.js

@@ -4,21 +4,23 @@
  * @license      {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
  */
 
+var Vector2 = require('../../math/Vector2');
+
 //  Adapted from http://bjornharrtell.github.io/jsts/doc/api/jsts_geom_Triangle.js.html
 
 /**
- * Computes the determinant of a 2x2 matrix. Uses standard double-precision
- * arithmetic, so is susceptible to round-off error.
+ * Computes the determinant of a 2x2 matrix. Uses standard double-precision arithmetic, so is susceptible to round-off error.
+ * 
+ * @function det
+ * @private
+ * @since 3.0.0
  *
- * @param {Number}
- *          m00 the [0,0] entry of the matrix.
- * @param {Number}
- *          m01 the [0,1] entry of the matrix.
- * @param {Number}
- *          m10 the [1,0] entry of the matrix.
- * @param {Number}
- *          m11 the [1,1] entry of the matrix.
- * @return {Number} the determinant.
+ * @param {number} m00 - The [0,0] entry of the matrix.
+ * @param {number} m01 - The [0,1] entry of the matrix.
+ * @param {number} m10 - The [1,0] entry of the matrix.
+ * @param {number} m11 - The [1,1] entry of the matrix.
+ * 
+ * @return {number} the determinant.
  */
 function det (m00, m01, m10, m11)
 {
@@ -31,14 +33,18 @@ function det (m00, m01, m10, m11)
  * the common intersection point of the perpendicular bisectors of the sides of
  * the triangle, and is the only point which has equal distance to all three
  * vertices of the triangle.
- * <p>
- * This method uses an algorithm due to J.R.Shewchuk which uses normalization to
- * the origin to improve the accuracy of computation. (See <i>Lecture Notes on
- * Geometric Robustness</i>, Jonathan Richard Shewchuk, 1999).
+ *
+ * @function Phaser.Geom.Triangle.CircumCenter
+ * @since 3.0.0
+ *
+ * @param {Phaser.Geom.Triangle} triangle - [description]
+ * @param {Phaser.Math.Vector2} [out] - [description]
+ *
+ * @return {Phaser.Math.Vector2} [description]
  */
 var CircumCenter = function (triangle, out)
 {
-    if (out === undefined) { out = { x: 0, y: 0 }; }
+    if (out === undefined) { out = new Vector2(); }
 
     var cx = triangle.x3;
     var cy = triangle.y3;