/js/BubbleDots/traits/BoundaryTrait.js

 1/**
 2 File:
 3 BoundaryTrait.js
 4 Created By:
 5 Mario Gonzalez
 6 Project    :
 7 RealtimeMultiplayerNodeJS
 8 Abstract:
 9 This trait will cause an entity to react to boundary collisions
10 Basic Usage:
11
12 */
13(function () {
14    BubbleDots.namespace("BubbleDots.traits");
15    BubbleDots.traits.BoundaryTrait = function (aCollisionManager) {
16        BubbleDots.traits.BoundaryTrait.superclass.constructor.call(this);
17        this._collisionManager = aCollisionManager;
18    };
19
20    BubbleDots.traits.BoundaryTrait.prototype = {
21        displayName: "BoundaryTrait",					// Unique string name for this Trait
22        _boundaryRule: 0,
23        _collisionManager: null,
24
25        /**
26         * @inheritDoc
27         */
28        attach: function (anEntity) {
29            BubbleDots.traits.BoundaryTrait.superclass.attach.call(this, anEntity);
30            this.intercept(['updatePosition']);
31        },
32
33        /**
34         * Intercepted properties
35         */
36        updatePosition: function (speedFactor, gameClock, gameTick) {
37            var trait = this.getTraitWithName("BoundaryTrait");
38
39            // Call the original handleAcceleration
40            trait._collisionManager.handleBoundaryForCircle(this.getCollisionCircle(), trait._boundaryRule);
41            trait.interceptedProperties._data.updatePosition.call(this, speedFactor, gameClock, gameTick);
42        },
43
44        detach: function (force) {
45            this._collisionManager = null;
46            BubbleDots.traits.BoundaryTrait.superclass.detach.call(this, force);
47        },
48
49        ///// ACCESSORS
50        /**
51         * Set the gravitational force
52         * @param {Number} aBoundaryRule Boundary rule to apply to collision circle, see CollisionManager
53         */
54        setBoundaryRule: function (aBoundaryRule) {
55            this._boundaryRule = aBoundaryRule;
56            return this;
57        }
58    };
59
60    // Extend BaseTrait
61    RealtimeMultiplayerGame.extend(BubbleDots.traits.BoundaryTrait, RealtimeMultiplayerGame.controller.traits.BaseTrait);
62})();