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Minor fix to PolarFragment.kt sensor rotation event

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Arty Bishop committed 2021-03-25 08:53:39 +00:00
1 parent a8b43ca3fb
commit de11eb98c0
1 file changed
+10 -8
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app/src/main/java/com/rtbishop/look4sat/ui/polarScreen/PolarFragment.kt
+10 -8
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@@ -48,6 +48,8 @@ class PolarFragment : Fragment(R.layout.fragment_polar), SensorEventListener {
private lateinit var satPass: SatPass
private lateinit var sensorManager: SensorManager
private val viewModel: PolarViewModel by viewModels()
private val rotationMatrix = FloatArray(9)
private val orientationValues = FloatArray(3)
private var magneticDeclination = 0f
private var polarView: PolarView? = null
@@ -63,7 +65,7 @@ class PolarFragment : Fragment(R.layout.fragment_polar), SensorEventListener {
super.onResume()
if (viewModel.shouldUseCompass()) {
sensorManager.getDefaultSensor(Sensor.TYPE_ROTATION_VECTOR).also { sensor ->
sensorManager.registerListener(this, sensor, SensorManager.SENSOR_DELAY_UI)
sensorManager.registerListener(this, sensor, SensorManager.SENSOR_DELAY_GAME)
}
}
}
@@ -82,13 +84,13 @@ class PolarFragment : Fragment(R.layout.fragment_polar), SensorEventListener {
}
private fun calculateAzimuth(event: SensorEvent) {
val rotationValues = FloatArray(9)
SensorManager.getRotationMatrixFromVector(rotationValues, event.values)
val orientationValues = FloatArray(3)
SensorManager.getOrientation(rotationValues, orientationValues)
val magneticAzimuth = ((orientationValues[0] * 57.2957795f) + 360f) % 360f
val roundedAzimuth = round(magneticAzimuth * 100) / 100
polarView?.rotation = -(roundedAzimuth + magneticDeclination)
if (event.sensor.type == Sensor.TYPE_ROTATION_VECTOR) {
SensorManager.getRotationMatrixFromVector(rotationMatrix, event.values)
SensorManager.getOrientation(rotationMatrix, orientationValues)
val magneticAzimuth = (Math.toDegrees(orientationValues[0].toDouble()) + 360f) % 360f
val roundedAzimuth = (round(magneticAzimuth * 10) / 10).toFloat()
polarView?.rotation = -(roundedAzimuth + magneticDeclination)
}
}
private fun observePass() {