I am new to AngularJS and curious about its compatibility with HTML5 Canvas or WebGL. Are there any tutorials available on how to integrate AngularJS into a view that uses these technologies?
I have noticed some games claiming to be developed with AngularJS, but I am unsure if this is limited to certain elements like menus, leaderboards, and dashboards.
While I may not be implementing MVC in a game, it seems possible to create more than just games using Canvas and WebGL.
Thank you!
UPDATE: I created a comprehensive example of a WebGL directive that utilizes three.js with bindings for resizing the object or changing its material type. Additionally, it includes event handling for window resizing and mouse movements:
Absolutely feasible! Apart from menus and leaderboards, you can encapsulate your canvas within a directive as well.
I developed this small application to assist me with a university project: . The directive I employed (utilizing three.js for the canvas component) is as follows:
app.directive('shape', function() {
return {
restrict: 'A',
scope: {
vertices: '=shape',
color: '=color'
},
link: function(scope, element, attrs)
{
var camera, scene, renderer;
var shape;
var targetRotation = 0;
var targetYRotation = 0, targetXRotation = 0;
var targetYRotationOnMouseDown = 0, targetXRotationOnMouseDown = 0;
var mouseX = 0, mouseY = 0;
var mouseXOnMouseDown = 0, mouseYOnMouseDown = 0;
var width = $(element).width();
var height = 200;
var halfWidthX = width / 2;
var halfWidthY = height / 2;
setup();
function setup() {
// Setting up the scene
camera = new THREE.PerspectiveCamera(70, width / height, 1, 1000);
camera.position.x = 0;
camera.position.y = 0;
camera.position.z = 300;
scene = new THREE.Scene();
// Creating the Shape
var geometry = new THREE.Geometry();
angular.forEach(scope.vertices, function (v) {
geometry.vertices.push(new THREE.Vector3(v.x, v.y, v.z));
});
geometry.faces.push(new THREE.Face3(0, 1, 2));
THREE.GeometryUtils.center(geometry);
// Adding shape to scene
var material = new THREE.MeshBasicMaterial({ color: colors[scope.color], side: THREE.DoubleSide });
shape = new THREE.Mesh(geometry, material);
scene.add(shape);
renderer = new THREE.WebGLRenderer();
renderer.setSize(width, height);
}
// ..... remaining code is abbreviated for better readability
};
});
One effective method involves encapsulating the WebGL scene within a factory, providing access to the 3D scene through the factory API. This approach offers the flexibility of injecting the scene into various Controllers or Directives. Since Angular factories are singletons, there is only one instance of the 3D scene.
By using this encapsulation technique, you can separate the 3D scene logic from your application logic.
You can easily utilize existing WebGL code by initializing the factory through the Factory API provided. Simply transfer all your 3D scene code into a factory and then leverage an init function in your controller to initialize rendering via the injected 3D factory.
I incorporated directives on the canvas element to enable interactive features for the scene, including click, marquee, keypress, and other events.
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