From 32a70a62deac9012313a3a7c28c81779d87d723b Mon Sep 17 00:00:00 2001
From: "Manu Mtz.-Almeida" <manu.valladolid@gmail.com>
Date: Thu, 14 Jul 2016 11:17:23 +0200
Subject: [PATCH] =?UTF-8?q?fix(menu):=20swipe=20menu=20is=20triggered=20wh?=
 =?UTF-8?q?en=20the=20swipe=20|angle|=20<=2040=C2=BA?=
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---
 src/components/menu/menu-gestures.ts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/components/menu/menu-gestures.ts b/src/components/menu/menu-gestures.ts
index bee1b3ac63..73d2f27392 100644
--- a/src/components/menu/menu-gestures.ts
+++ b/src/components/menu/menu-gestures.ts
@@ -4,6 +4,8 @@ import { SlideData } from '../../gestures/slide-gesture';
 import { assign } from '../../util/util';
 import { GestureDelegate, GesturePriority } from '../../gestures/gesture-controller';
 
+const DEGRESS_TO_RADIANS = Math.PI / 180;
+const MIN_COSINE = Math.cos(40 * DEGRESS_TO_RADIANS);
 
 /**
  * Gesture attached to the content which the menu is assigned to
@@ -51,13 +53,13 @@ export class MenuContentGesture extends SlideEdgeGesture {
       return true;
     }
 
-    let cosine = Math.cos(ev.angle * (Math.PI / 180));
+    let cosine = Math.cos(ev.angle * DEGRESS_TO_RADIANS);
     if (menu.side === 'right') {
-      if (cosine < -0.95) {
+      if (cosine < -MIN_COSINE) {
         return super.canStart(ev);
       }
     } else {
-      if (cosine > 0.95) {
+      if (cosine > MIN_COSINE) {
         return super.canStart(ev);
       }
     }