Limited availability
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The RelativeOrientationSensor interface of the Sensor APIs describes the device's physical orientation without regard to the Earth's reference coordinate system.
To use this sensor, the user must grant permission to the 'accelerometer', and 'gyroscope' device sensors through the Permissions API. In addition, this feature may be blocked by a Permissions Policy set on your server.
RelativeOrientationSensor()
Creates a new RelativeOrientationSensor object.
No specific properties; inherits properties from its ancestors OrientationSensor and Sensor.
No specific methods; inherits methods from its ancestors OrientationSensor and Sensor.
No specific events; inherits events from its ancestor, Sensor.
The following example, which is loosely based on Intel's Orientation Phone demo, instantiates an RelativeOrientationSensor with a frequency of 60 times a second.
Note: The Intel demo this is based on uses the AbsoluteOrientationSensor. On each reading it uses OrientationSensor.quaternion to rotate a visual model of a phone.
const options = { frequency: 60, referenceFrame: "device" };
const sensor = new RelativeOrientationSensor(options);
sensor.addEventListener("reading", () => {
// model is a Three.js object instantiated elsewhere.
model.quaternion.fromArray(sensor.quaternion).inverse();
});
sensor.addEventListener("error", (error) => {
if (event.error.name === "NotReadableError") {
console.log("Sensor is not available.");
}
});
sensor.start();
Using orientation sensors requires requesting permissions for multiple device sensors. Because the Permissions interface uses promises, a good way to request permissions is to use Promise.all.
const sensor = new RelativeOrientationSensor();
Promise.all([
navigator.permissions.query({ name: "accelerometer" }),
navigator.permissions.query({ name: "gyroscope" }),
]).then((results) => {
if (results.every((result) => result.state === "granted")) {
sensor.start();
// â¦
} else {
console.log("No permissions to use RelativeOrientationSensor.");
}
});
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4