/// <summary>
/// Clears all gesture data.
/// </summary>
public void Clear()
{
Xdata.Clear();
Ydata.Clear();
Zdata.Clear();
Gdata.Clear();
Time.Clear();
}
/// <summary>
/// Stores this frame of accelerometer data for simple gesture recognition.
/// </summary>
/// <param name="x">The x-axis acceleration</param>
/// <param name="y">The y-axis acceleration</param>
/// <param name="z">The z-axis acceleration</param>
/// <param name="dT">time elapsed since last frame in seconds</param>
internal void feedData(int x, int y, int z, double dT)
{
if (totalTime + dT == totalTime)
{
totalTime = 0;
}
totalTime += dT;
//check Maxima
if (Math.Abs(x) > maxXYZ)
{
maxXYZ = Math.Abs(x);
}
if (Math.Abs(x) > maxXYZ)
{
maxXYZ = Math.Abs(y);
}
if (Math.Abs(x) > maxXYZ)
{
maxXYZ = Math.Abs(z);
}
double grav = Math.Sqrt(x * x + y * y + z * z);
if (grav > maxG)
{
maxG = grav;
}
//log this frame
Xdata.Add(x);
Ydata.Add(y);
Zdata.Add(z);
Gdata.Add(grav);
Time.Add((int)(totalTime * 1000));
//clean old data
while (Time.Count > 0 && totalTime - Time[0] > 1000)
{
Xdata.RemoveAt(0);
Ydata.RemoveAt(0);
Zdata.RemoveAt(0);
Gdata.RemoveAt(0);
Time.RemoveAt(0);
}
}
