Babylon.js/Babylon/Cameras/VR/babylon.webVRCamera.js

var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    __.prototype = b.prototype;
    d.prototype = new __();
};
var BABYLON;
(function (BABYLON) {
    var WebVRFreeCamera = (function (_super) {
        __extends(WebVRFreeCamera, _super);
        function WebVRFreeCamera(name, position, scene, compensateDistorsion) {
            if (compensateDistorsion === void 0) { compensateDistorsion = true; }
            _super.call(this, name, position, scene);
            this._hmdDevice = null;
            this._sensorDevice = null;
            this._cacheState = null;
            this._cacheQuaternion = new BABYLON.Quaternion();
            this._cacheRotation = BABYLON.Vector3.Zero();
            this._vrEnabled = false;
            var metrics = BABYLON.VRCameraMetrics.GetDefault();
            metrics.compensateDistorsion = compensateDistorsion;
            this.setCameraRigMode(BABYLON.Camera.RIG_MODE_VR, { vrCameraMetrics: metrics });
            this._getWebVRDevices = this._getWebVRDevices.bind(this);
        }
        WebVRFreeCamera.prototype._getWebVRDevices = function (devices) {
            var size = devices.length;
            var i = 0;
            // Reset devices.
            this._sensorDevice = null;
            this._hmdDevice = null;
            // Search for a HmdDevice.
            while (i < size && this._hmdDevice === null) {
                if (devices[i] instanceof HMDVRDevice) {
                    this._hmdDevice = devices[i];
                }
                i++;
            }
            i = 0;
            while (i < size && this._sensorDevice === null) {
                if (devices[i] instanceof PositionSensorVRDevice && (!this._hmdDevice || devices[i].hardwareUnitId === this._hmdDevice.hardwareUnitId)) {
                    this._sensorDevice = devices[i];
                }
                i++;
            }
            this._vrEnabled = this._sensorDevice && this._hmdDevice ? true : false;
        };
        WebVRFreeCamera.prototype._checkInputs = function () {
            if (this._vrEnabled) {
                this._cacheState = this._sensorDevice.getState();
                this._cacheQuaternion.copyFromFloats(this._cacheState.orientation.x, this._cacheState.orientation.y, this._cacheState.orientation.z, this._cacheState.orientation.w);
                this._cacheQuaternion.toEulerAnglesToRef(this._cacheRotation);
                this.rotation.x = -this._cacheRotation.z;
                this.rotation.y = -this._cacheRotation.y;
                this.rotation.z = this._cacheRotation.x;
            }
            _super.prototype._checkInputs.call(this);
        };
        WebVRFreeCamera.prototype.attachControl = function (element, noPreventDefault) {
            _super.prototype.attachControl.call(this, element, noPreventDefault);
            if (navigator.getVRDevices) {
                navigator.getVRDevices().then(this._getWebVRDevices);
            }
            else if (navigator.mozGetVRDevices) {
                navigator.mozGetVRDevices(this._getWebVRDevices);
            }
        };
        WebVRFreeCamera.prototype.detachControl = function (element) {
            _super.prototype.detachControl.call(this, element);
            this._vrEnabled = false;
        };
        return WebVRFreeCamera;
    })(BABYLON.FreeCamera);
    BABYLON.WebVRFreeCamera = WebVRFreeCamera;
})(BABYLON || (BABYLON = {}));
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