From: Boyi C <cby@cby.me>
Date: Mon, 18 Dec 2017 19:24:02 +0000 (+0800)
Subject: Improve point.xRange and point.yRange performance (#5062)
X-Git-Tag: v2.7.2~1^2~31
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ce1fc28b743d518add5c89653108a287f6aa911d;p=thirdparty%2FChart.js.git

Improve point.xRange and point.yRange performance (#5062)
---

diff --git a/src/elements/element.point.js b/src/elements/element.point.js
index d5116a259..eab5b31d4 100644
--- a/src/elements/element.point.js
+++ b/src/elements/element.point.js
@@ -24,12 +24,12 @@ defaults._set('global', {
 
 function xRange(mouseX) {
 	var vm = this._view;
-	return vm ? (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false;
+	return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false;
 }
 
 function yRange(mouseY) {
 	var vm = this._view;
-	return vm ? (Math.pow(mouseY - vm.y, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false;
+	return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false;
 }
 
 module.exports = Element.extend({