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sensors: Read Euler angles instead of quaternions from WebDriver #44145

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Jan 24, 2024
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sensors: Read Euler angles instead of quaternions from WebDriver #44145

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10 changes: 7 additions & 3 deletions orientation-sensor/resources/sensor-data.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,9 +15,13 @@ const kRelativeOrientationSensorData = {
};

const kOrientationReadings = {
readings: [{quaternion: [1, 0, 0, 0]}],
expectedReadings: [{quaternion: [1, 0, 0, 0]}],
expectedRemappedReadings: [{quaternion: [-0.70710678, 0.70710678, 0, 0]}]
// WebDriver input data must be given in Euler angles according to
// https://w3c.github.io/deviceorientation/#parse-orientation-data-reading-algorithm
// and converted to quaternions via
// https://w3c.github.io/orientation-sensor/#create-a-quaternion-from-euler-angles.
readings: [{alpha: 0, beta: -180, gamma: 0}],
expectedReadings: [{quaternion: [-1, 0, 0, 0]}],
expectedRemappedReadings: [{quaternion: [0.70710678, -0.70710678, 0, 0]}]
};

const kRotationMatrix = [1, 0, 0, 0,
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