Babylon.js/Babylon/Cameras/VR/babylon.vrDeviceOrientationCamera.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 VRDeviceOrientationFreeCamera = (function (_super) {
        __extends(VRDeviceOrientationFreeCamera, _super);
        function VRDeviceOrientationFreeCamera(name, position, scene, compensateDistorsion) {
            if (compensateDistorsion === void 0) { compensateDistorsion = true; }
            _super.call(this, name, position, scene);
            this._alpha = 0;
            this._beta = 0;
            this._gamma = 0;
            var metrics = BABYLON.VRCameraMetrics.GetDefault();
            metrics.compensateDistorsion = compensateDistorsion;
            this.setSubCameraMode(BABYLON.Camera.SUB_CAMERA_MODE_VR, 0, metrics);
            this._deviceOrientationHandler = this._onOrientationEvent.bind(this);
        }
        VRDeviceOrientationFreeCamera.prototype._onOrientationEvent = function (evt) {
            this._alpha = +evt.alpha | 0;
            this._beta = +evt.beta | 0;
            this._gamma = +evt.gamma | 0;
            if (this._gamma < 0) {
                this._gamma = 90 + this._gamma;
            }
            else {
                // Incline it in the correct angle.
                this._gamma = 270 - this._gamma;
            }
            this.rotation.x = this._gamma / 180.0 * Math.PI;
            this.rotation.y = -this._alpha / 180.0 * Math.PI;
            this.rotation.z = this._beta / 180.0 * Math.PI;
        };
        VRDeviceOrientationFreeCamera.prototype.attachControl = function (element, noPreventDefault) {
            _super.prototype.attachControl.call(this, element, noPreventDefault);
            window.addEventListener("deviceorientation", this._deviceOrientationHandler);
        };
        VRDeviceOrientationFreeCamera.prototype.detachControl = function (element) {
            _super.prototype.detachControl.call(this, element);
            window.removeEventListener("deviceorientation", this._deviceOrientationHandler);
        };
        return VRDeviceOrientationFreeCamera;
    })(BABYLON.FreeCamera);
    BABYLON.VRDeviceOrientationFreeCamera = VRDeviceOrientationFreeCamera;
})(BABYLON || (BABYLON = {}));
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