Device
Orientation, inclination and motion
This is an example managing orientation, inclination and motion:
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<title>Device: Orientation, inclination and motion - Example</title>
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<body>
Orientation supported: <span id="orientation_supported">Unknown</span><br />
Orientation data:
<br />
<span id="orientation_data">No data</span><br />
<br />
'compassNeedsCalibration' supported: <span id="compassneedscalibration_supported">Unknown</span><br />
Compass needs calibration: <span id="compassneedscalibration">Unknown</span><br />
<br />
Motion supported: <span id="motion_supported">Unknown</span><br />
Motion data:
<br />
<span id="motion_data">No data</span>
<br />
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<span style="font-weight:bold;">Console:</span><br />
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<div id="crossbrowdy_info"><a href="https://crossbrowdy.com/examples/device/orientation_inclination_and_motion" target="_blank">CrossBrowdy.com example</a></div>
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CB_init(main); //It will call the "main" function when ready.
//This function will be called when CrossBrowdy is ready:
function main()
{
//Orientation management:
if (CB_Device.Orientation.isSupported())
{
CB_console("The Device Orientation Event (used by the Device Orientation API or compatible ones) is supported.");
CB_Elements.insertContentById("orientation_supported", "Yes");
//Checks when the orientation changes:
var orientationChangedTimes = 0;
CB_Device.Orientation.onChange
(
//Orientation is obtained successfully:
function(data) //Data will be normalized automatically.
{
var output =
"Times fired: " + (++orientationChangedTimes) + "\n" +
"Alpha: " + data.alpha + "\n" +
"Beta: " + data.beta + "\n" +
"Gamma: " + data.gamma + "\n" +
"Absolute: " + (data.absolute ? "yes" : "no");
CB_console(output);
CB_Elements.insertContentById("orientation_data", CB_nl2br(output));
}
);
}
else
{
CB_console("The Device Orientation Event (used by the Device Orientation API or compatible ones) is not supported.");
CB_Elements.insertContentById("orientation_supported", "No");
}
//Checks whether the compass / magnetometer needs calibration:
if (CB_Device.Orientation.isCompassNeedsCalibrationSupported())
{
CB_console("The 'compassNeedsCalibration' feature is supported.");
CB_Elements.insertContentById("compassneedscalibration_supported", "Yes");
CB_Device.Orientation.onCompassNeedsCalibration(function() { CB_console("Compass needs calibration!"); CB_Elements.insertContentById("compassneedscalibration", "Yes"); });
}
else
{
CB_console("The 'compassNeedsCalibration' feature is not supported.");
CB_Elements.insertContentById("compassneedscalibration_supported", "No");
}
//Physical movements management:
if (CB_Device.Motion.isSupported())
{
CB_console("The Device Motion Event (used by the Device Orientation API or compatible ones) is supported.");
CB_Elements.insertContentById("motion_supported", "Yes");
//Checks physical movements and their speed:
var motionChangedTimes = 0;
CB_Device.Motion.onChange
(
//Motion is obtained successfully:
function(data) //Data will be normalized automatically.
{
output =
"Times fired: " + (++motionChangedTimes) + "\n" +
"Acceleration in x: " + data.acceleration.x + "\n" +
"Acceleration in y: " + data.acceleration.y + "\n" +
"Acceleration in z: " + data.acceleration.z + "\n" +
"Acceleration in x (with gravity): " + data.accelerationIncludingGravity.x + "\n" +
"Acceleration in y (with gravity): " + data.accelerationIncludingGravity.y + "\n" +
"Acceleration in z (with gravity): " + data.accelerationIncludingGravity.z + "\n" +
"Interval: " + data.interval + "\n" +
"Rotation Rate Alpha: " + data.rotationRate.alpha + "\n" +
"Rotation Rate Beta: " + data.rotationRate.beta + "\n" +
"Rotation Rate Gamma: " + data.rotationRate.gamma;
CB_console(output);
CB_Elements.insertContentById("motion_data", CB_nl2br(output));
}
);
}
else
{
CB_console("The Device Motion Event (used by the Device Orientation API or compatible ones) is not supported.");
CB_Elements.insertContentById("motion_supported", "No");
}
}You can check the Guides & Tutorials category as well as the API documentation in the case you need more information.
All the examples together can be downloaded here.
