void Update()
{
// ESCAPE: Pause the animation (does not stop acquisition), show toggle button
if (Input.GetKeyDown(KeyCode.Escape))
{
if (animationRunning)
{
animationRunning = false;
toggleButton.gameObject.SetActive(true);
text.text += "\nPAUSIERT";
Time.timeScale = 0f;
}
else
{
toggleButton.gameObject.SetActive(false);
animationRunning = true;
Time.timeScale = 1f;
}
}
float[] values = new float[8];
// for non-live testing purposes, read line of data from prerecorded file
if (useRecordedFile)
{
values = csvP.ReadLine(8);
}
else if (acquisitionRunning)
{
values = ReadUnicornData();
}
if (animationRunning)
{
if (useRecordedFile) // if using our test file
{
for (int i = 0; i < 8; i++)
{
arrays[i][pos] = Math.Abs(values[i] / 2000000) + 3; // normalize values in some way, save them in the buffer channels
}
}
if (!useRecordedFile)
{
double value0 = Math.Abs(values[0]); // filtered value of eeg1
if (count < startFrames) // find an initial baseline value
{
if (count > 59)
{
startAvg += value0 / (startFrames - 60);
}
count++;
}
else
{
baselineFound = true;
eeg1Buffer[pos] = value0; // filtered value of eeg1
}
}
// move to next buffer position for next update call
pos = (pos + 1) % arrays[0].Length;
// if all buffers are full (every time 60 values have been read)
if (pos == 0)
{
float arrayMax = 0;
if (useRecordedFile)
{
// find the max value out of all 8 buffers
for (int i = 0; i < 8; i++)
{
if (arrayMax < arrays[i].Max())
{
arrayMax = arrays[i].Max();
}
}
}
else
{
// difference of buffer max and baseline, scaled down
if (baselineFound)
{
arrayMax = (Math.Abs((float)eeg1Buffer.Max() - (float)startAvg)) / 30 + 3;
}
}
// change noise strength to array max
var noise = ps.noise;
noise.strength = arrayMax;
print(arrayMax);
// on-screen debug text
text.text = arrayMax.ToString("N2") + "\nbaseline: " + startAvg.ToString("N2");
if (acquisitionRunning)
{
text.text += "\nacquisition running";
}
}
}
}
void Update()
{
if (animationRunning)
{
if (Input.GetKeyDown(KeyCode.Space))
{
animationRunning = false;
text.text += "\nPAUSIERT";
Time.timeScale = 0f;
}
float[] values;
// particle system modules
var noise = ps.noise;
// read values from each EEG channel into a buffer
// for non-live testing purposes, read line of data from prerecorded file
if (useRecordedFile)
{
values = csvP.ReadLine(8);
}
else
{
values = ReadUnicornData();
}
for (int i = 0; i < 8; i++)
{
print(values[i]);
// normalize values in some way, save them in the buffer channels (TODO: find good way to normalize)
arrays[i][pos] = Math.Abs(values[i] * 1 / 2000000) + 3;
}
pos = (pos + 1) % arrays[0].Length;
// if all buffers are full (every time 60 values have been read)
if (pos == 0)
{
// find the max value out of all 8 buffers
float arrayMax = 0;
for (int i = 0; i < 8; i++)
{
if (arrayMax < arrays[i].Max())
{
arrayMax = arrays[i].Max();
}
}
// manipulate noise module strength
noise.strength = arrayMax;
// on-screen debug text
text.text = "Höchster Wert auf allen Kanälen:\n" + arrayMax.ToString("F2");
}
}
else
{
if (Input.GetKeyDown(KeyCode.Space))
{
animationRunning = true;
Time.timeScale = 1f;
}
}
}