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AngularJS+SVG. Simple vs scope inheritance.
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| <!-- SVG starter: http://www.w3schools.com/svg/tryit.asp?filename=trysvg_line --> | |
| <!DOCTYPE html> | |
| <html xmlns="http://www.w3.org/1999/xhtml" ng-app> | |
| <head> | |
| <title>AngularJS is more than boring datagrids - bouncing line</title> | |
| </head> | |
| <body> | |
| <svg height="{{config.height}}" width="{{config.width}}" ng-controller='LineController'> | |
| <line x1="{{line.x1}}" y1="{{line.y1}}" x2="{{line.x2}}" y2="{{line.y2}}" style="stroke:rgb(255,0,0);stroke-width:2" /> | |
| Sorry, your browser does not support inline SVG. | |
| </svg> | |
| <script src="Scripts/angular.js"></script> | |
| <script> | |
| function LineController($scope, $timeout) { | |
| $scope.config = { height: 210, width: 500 }; | |
| $scope.line = { x1: 0, y1: 0, x2: 0, y2: 0 }; | |
| var setNewRandomPosition = function() { | |
| setLine( | |
| getRandom(0, $scope.config.width), | |
| getRandom(0, $scope.config.height), | |
| getRandom(0, $scope.config.width), | |
| getRandom(0, $scope.config.height)); | |
| }; | |
| setNewRandomPosition(); | |
| var increments = { x1: 1, y1: 1, x2: 1, y2: 1}; | |
| var adjustLinePosition = function () { | |
| var getNewIncrement = function(v, min, max, actualInc) { | |
| return (v == min || v==max) ? -actualInc : actualInc; | |
| }; | |
| increments.x1 = getNewIncrement($scope.line.x1, 0, $scope.config.width, increments.x1); | |
| increments.y1 = getNewIncrement($scope.line.y1, 0, $scope.config.height, increments.y1); | |
| increments.x2 = getNewIncrement($scope.line.x2, 0, $scope.config.width, increments.x2); | |
| increments.y2 = getNewIncrement($scope.line.y2, 0, $scope.config.height, increments.y2); | |
| setLine( | |
| $scope.line.x1 + increments.x1, | |
| $scope.line.y1 + increments.y1, | |
| $scope.line.x2 + increments.x2, | |
| $scope.line.y2 + increments.y2); | |
| }; | |
| var scheduleNewPosition = function() { | |
| $timeout(function() { | |
| adjustLinePosition(); | |
| scheduleNewPosition(); | |
| }, 10, true); | |
| }; | |
| scheduleNewPosition(); | |
| function setLine(x1, y1, x2, y2) { | |
| $scope.line.x1 = x1; | |
| $scope.line.y1 = y1; | |
| $scope.line.x2 = x2; | |
| $scope.line.y2 = y2; | |
| } | |
| function getRandom(min, max) { | |
| return Math.floor(Math.random() * (max - min + 1) + min); | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
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| <!-- SVG starter: http://www.w3schools.com/svg/tryit.asp?filename=trysvg_line --> | |
| <!DOCTYPE html> | |
| <html xmlns="http://www.w3.org/1999/xhtml" ng-app> | |
| <head> | |
| <title>AngularJS is more than boring datagrids - bouncing lineS</title> | |
| </head> | |
| <body> | |
| <svg height="{{config.height}}" width="{{config.width}}" ng-controller='GameController'> | |
| <line x1="{{line.x1}}" y1="{{line.y1}}" x2="{{line.x2}}" y2="{{line.y2}}" style="stroke:rgb(255,0,0);stroke-width:2" ng-controller='LineController'/> | |
| <line x1="{{line.x1}}" y1="{{line.y1}}" x2="{{line.x2}}" y2="{{line.y2}}" style="stroke:rgb(255,0,0);stroke-width:2" ng-controller='LineController'/> | |
| <line x1="{{line.x1}}" y1="{{line.y1}}" x2="{{line.x2}}" y2="{{line.y2}}" style="stroke:rgb(255,0,0);stroke-width:2" ng-controller='LineController'/> | |
| <line x1="{{line.x1}}" y1="{{line.y1}}" x2="{{line.x2}}" y2="{{line.y2}}" style="stroke:rgb(255,0,0);stroke-width:2" ng-controller='LineController'/> | |
| <line x1="{{line.x1}}" y1="{{line.y1}}" x2="{{line.x2}}" y2="{{line.y2}}" style="stroke:rgb(255,0,0);stroke-width:2" ng-controller='LineController'/> | |
| Sorry, your browser does not support inline SVG. | |
| </svg> | |
| <script src="angular.js"></script> | |
| <script> | |
| function GameController($scope) { | |
| $scope.config = { height: 210, width: 500 }; | |
| } | |
| function LineController($scope, $timeout) { | |
| $scope.line = { x1: 0, y1: 0, x2: 0, y2: 0 }; | |
| var setNewRandomPosition = function() { | |
| setLine( | |
| getRandom(0, $scope.config.width), | |
| getRandom(0, $scope.config.height), | |
| getRandom(0, $scope.config.width), | |
| getRandom(0, $scope.config.height)); | |
| }; | |
| setNewRandomPosition(); | |
| var increments = { x1: 1, y1: 1, x2: 1, y2: 1}; | |
| var adjustLinePosition = function () { | |
| var getNewIncrement = function(v, min, max, actualInc) { | |
| return (v == min || v==max) ? -actualInc : actualInc; | |
| }; | |
| increments.x1 = getNewIncrement($scope.line.x1, 0, $scope.config.width, increments.x1); | |
| increments.y1 = getNewIncrement($scope.line.y1, 0, $scope.config.height, increments.y1); | |
| increments.x2 = getNewIncrement($scope.line.x2, 0, $scope.config.width, increments.x2); | |
| increments.y2 = getNewIncrement($scope.line.y2, 0, $scope.config.height, increments.y2); | |
| setLine( | |
| $scope.line.x1 + increments.x1, | |
| $scope.line.y1 + increments.y1, | |
| $scope.line.x2 + increments.x2, | |
| $scope.line.y2 + increments.y2); | |
| }; | |
| var scheduleNewPosition = function() { | |
| $timeout(function() { | |
| adjustLinePosition(); | |
| scheduleNewPosition(); | |
| }, 10, true); | |
| }; | |
| scheduleNewPosition(); | |
| function setLine(x1, y1, x2, y2) { | |
| $scope.line.x1 = x1; | |
| $scope.line.y1 = y1; | |
| $scope.line.x2 = x2; | |
| $scope.line.y2 = y2; | |
| } | |
| function getRandom(min, max) { | |
| return Math.floor(Math.random() * (max - min + 1) + min); | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
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