Ng-mouseenter directive call the mouseDown($event) function which calculates X and Y cordinate that is assign to the ng-style of div element.The position of div element change according to coordinates when we enter the mouse on the div element.
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.2/angular.min.js"></script>
</head>
<body ng-app="app">
<div ng-controller="controllerName">
<p>Mouse Enter on the square</p>
<div ng-style="{'backgroundColor':'tomato', 'margin-top':X+'px', 'margin-left':Y+'px',width:'200px',height:'200px' }" ng-mouseenter="mouseDown($event)"></div>
<pre ng-show="X">Mouse enter at:{{X}},{{Y}}</pre>
</div>
<script>
var app = angular.module("app", []);
app.controller('controllerName', ['$scope', function ($scope) {
$scope.mouseDown = function (event) {
$scope.X = event.clientX - 100;
$scope.Y = event.clientY - 100;
}
}]);
</script>
</body>
</html>