From 9eb723cfc2edb7da08dec862938985daa63038f3 Mon Sep 17 00:00:00 2001
From: Richard Davey <rdavey@gmail.com>
Date: Wed, 2 Aug 2017 01:24:54 +0100
Subject: [PATCH] Added PlaceOnEllipse action and added to Group

---
 v3/src/actions/PlaceOnEllipse.js  | 23 +++++++++++++++++++++++
 v3/src/actions/index.js           |  1 +
 v3/src/checksum.js                |  2 +-
 v3/src/gameobjects/group/Group.js |  7 +++++++
 4 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 v3/src/actions/PlaceOnEllipse.js

diff --git a/v3/src/actions/PlaceOnEllipse.js b/v3/src/actions/PlaceOnEllipse.js
new file mode 100644
index 000000000..0962af46c
--- /dev/null
+++ b/v3/src/actions/PlaceOnEllipse.js
@@ -0,0 +1,23 @@
+var PlaceOnEllipse = function (items, ellipse, startAngle, endAngle)
+{
+    if (startAngle === undefined) { startAngle = 0; }
+    if (endAngle === undefined) { endAngle = 6.28; }
+
+    var angle = startAngle;
+    var angleStep = (endAngle - startAngle) / items.length;
+
+    var a = ellipse.width / 2;
+    var b = ellipse.height / 2;
+
+    for (var i = 0; i < items.length; i++)
+    {
+        items[i].x = ellipse.x + a * Math.cos(angle);
+        items[i].y = ellipse.y + b * Math.sin(angle);
+
+        angle += angleStep;
+    }
+
+    return items;
+};
+
+module.exports = PlaceOnEllipse;
diff --git a/v3/src/actions/index.js b/v3/src/actions/index.js
index 4919d270e..c6ed635f5 100644
--- a/v3/src/actions/index.js
+++ b/v3/src/actions/index.js
@@ -11,6 +11,7 @@ module.exports = {
     IncXY: require('./IncXY'),
     IncY: require('./IncY'),
     PlaceOnCircle: require('./PlaceOnCircle'),
+    PlaceOnEllipse: require('./PlaceOnEllipse'),
     PlaceOnLine: require('./PlaceOnLine'),
     PlaceOnRectangle: require('./PlaceOnRectangle'),
     PlaceOnTriangle: require('./PlaceOnTriangle'),
diff --git a/v3/src/checksum.js b/v3/src/checksum.js
index 04674cfe8..8fd938cbb 100644
--- a/v3/src/checksum.js
+++ b/v3/src/checksum.js
@@ -1,4 +1,4 @@
 var CHECKSUM = {
-build: '5d97e130-7716-11e7-8b1c-25a8a89333fb'
+build: '9aad2b50-7718-11e7-a802-eddafadf9983'
 };
 module.exports = CHECKSUM;
\ No newline at end of file
diff --git a/v3/src/gameobjects/group/Group.js b/v3/src/gameobjects/group/Group.js
index 0e6ab3226..a124d84c2 100644
--- a/v3/src/gameobjects/group/Group.js
+++ b/v3/src/gameobjects/group/Group.js
@@ -284,6 +284,13 @@ var Group = new Class({
         return this;
     },
 
+    placeOnEllipse: function (ellipse, startAngle, endAngle)
+    {
+        Actions.PlaceOnEllipse(this.children.entries, ellipse, startAngle, endAngle);
+
+        return this;
+    },
+
     placeOnLine: function (line)
     {
         Actions.PlaceOnLine(this.children.entries, line);