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    <p>You would like to control object on screen using acceleration sensor.</p> <pre><code>protected override void Initialize() { ... Accelerometer acc = new Accelerometer(); acc.ReadingChanged += AccReadingChanged; acc.Start(); ... } </code></pre> <p>This is method that calculates position of object</p> <pre><code>void AccReadingChanged(object sender, AccelerometerReadingEventArgs e) { // Y axes is same in both cases this.circlePosition.Y = (float)e.Z * GraphicsDevice.Viewport.Height + GraphicsDevice.Viewport.Height / 2.0f; // X axes needs to be negative when oriented Landscape - Left if (Window.CurrentOrientation == DisplayOrientation.LandscapeLeft) this.circlePosition.X = -(float)e.Y * GraphicsDevice.Viewport.Width + GraphicsDevice.Viewport.Width / 2.0f; else this.circlePosition.X = (float)e.Y * GraphicsDevice.Viewport.Width + GraphicsDevice.Viewport.Width / 2.0f; } </code></pre> <p>I'm using Z axes of sensor as my Y in game and Y axes of sensor as my X in game. Calibration will be done by subtracting Z axes of sensor from center. In this way, our sensor axes directly correspond to position (percentage) on screen. </p> <p>For this to work we don't need X axes of sensor at all...</p> <p>This is just quick implementation. You would find center for sensor since this <code>Viewport.Width / 2f</code> isn't center, sum and average of 3 measurements, calibration on X sensor axes so that you could play/use application on flat or some degree position, etc.</p> <p><strong>This code is tested on Windows Phone Device!</strong> (and works)</p>
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    1. USAleksandar Toplek
    1. USAleksandar Toplek
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    1. COI totally forgot about using the gravity vector.
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    2. COCould you please mark this as answer then... ;)
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