public WaveLineValues(WaveLine wl)
{
waveWidth = wl.waveWidth;
waveAmplitude = wl.waveAmplitude;
waveFrequency = wl.waveFrequency;
waveCount = wl.waveCount;
}
public void CopyToComponent(WaveLine wl)
{
wl.waveWidth = waveWidth;
wl.waveAmplitude = waveAmplitude;
wl.waveFrequency = waveFrequency;
wl.waveCount = waveCount;
}
public void Generate()
{
// Number of samples = sample rate * channels * bytes per sample
uint numSamples = format.dwSamplesPerSec * format.wChannels * 10;
// Initialize the 16-bit array
data.floatArray = new short[numSamples];
//double t = (Math.PI * 2 * freq) / (format.dwSamplesPerSec * format.wChannels);
int lineIndex = 0;
WaveLine currentLine = shape.lines[0];
uint nextLineSample = 0;
uint thisCycleStart = 0;
for (uint i = 0; i < numSamples - 1; i += 2)
{
float progress = (float)(i - thisCycleStart - currentLine.startSample) / (float)currentLine.sampleLength;
Vector position = currentLine.startPoint + (currentLine.endPoint - currentLine.startPoint) * progress;
//write position data to left and right channels
data.floatArray[i] = Convert.ToInt16(position.x * 50);
data.floatArray[i + 1] = Convert.ToInt16(position.y * 50);
if (i >= nextLineSample)
{
currentLine = shape.lines[lineIndex];
if (lineIndex == 0)
{
thisCycleStart = i;
}
lineIndex++;
if (lineIndex == shape.lines.Length)
{
lineIndex = 0;
}
nextLineSample = i + currentLine.sampleLength;
}
}
// Calculate data chunk size in bytes
data.dwChunkSize = (uint)(data.floatArray.Length * (format.wBitsPerSample / 8));
}
public void init()
{
float perimeter = 0;
lines = new WaveLine[vertices.Length];
Vector lastVertex;
Vector nextVertex;
for (int i = 0; i < vertices.Length; i++)
{
nextVertex = vertices[(i + 1) % (vertices.Length)];
lastVertex = vertices[i];
Console.WriteLine("measuring ({0}, {1}) to ({2}, {3})", lastVertex.x, lastVertex.y, nextVertex.x, nextVertex.y);
WaveLine segment = new WaveLine(lastVertex, nextVertex);
lines[i] = segment;
perimeter += segment.realLength;
}
uint currentSample = 0;
Console.WriteLine(samplesPerCycle);
foreach (WaveLine segment in lines)
{
segment.relativeLength = segment.realLength / perimeter;
Console.WriteLine("Relative Length: " + segment.relativeLength);
segment.sampleLength = (uint)Math.Floor(segment.relativeLength * samplesPerCycle);
segment.startSample = currentSample;
Console.WriteLine(segment.sampleLength + " starting from " + segment.startSample);
segment.setUnitMovement();
Console.WriteLine("line {0} unit movement is ({1}, {2})", 0, segment.unitMovement.x, segment.unitMovement.y);
currentSample += segment.sampleLength;
}
}
