public OutputPanelHammersley(IContainer container)
{
container.Add(this);
InitializeComponent();
Hammersley QRNG = new Hammersley();
double[,] Sequence = QRNG.BuildSequence(SAMPLES_COUNT, 2);
for (int SampleIndex = 0; SampleIndex < SAMPLES_COUNT; SampleIndex++)
{
float Angle = 2.0f * (float)Math.PI * (float)Sequence[SampleIndex, 0];
float Radius = (float)Math.Sqrt(Sequence[SampleIndex, 1]); // Uniform
// float Radius = (float) Sequence[SampleIndex,1];
m_Samples[SampleIndex] = new float2(Radius * (float)Math.Cos(Angle), Radius * (float)Math.Sin(Angle));
}
string Format = "const uint SHADOW_SAMPLES_COUNT = "+ SAMPLES_COUNT + ";\r\n"
+ "const float2 SamplesOffset[SHADOW_SAMPLES_COUNT] = {\r\n";
for (int SampleIndex = 0; SampleIndex < SAMPLES_COUNT; SampleIndex++)
{
Format += " float2( " + m_Samples[SampleIndex].x + ", " + m_Samples[SampleIndex].y + " ),\r\n";
}
Format += "};\r\n\r\n";
OnSizeChanged(EventArgs.Empty);
}
private void integerTrackbarControlNeighborsCount_ValueChanged(IntegerTrackbarControl _Sender, int _FormerValue)
{
int NeighborsCount = integerTrackbarControlNeighborsCount.Value;
if (m_SB_Neighbors != null)
{
m_SB_Neighbors.Dispose();
}
m_SB_Neighbors = new StructuredBuffer <SB_Neighbor>(m_Device, (uint)NeighborsCount, true, false);
float3[] directions = null;
if (radioButtonHammersley.Checked)
{
double[,] samples = m_hammersley.BuildSequence(NeighborsCount, 2);
directions = m_hammersley.MapSequenceToSphere(samples);
}
else
{
Random TempRNG = new Random();
directions = new float3[NeighborsCount];
for (int i = 0; i < NeighborsCount; i++)
{
directions[i] = new float3(2.0f * (float)TempRNG.NextDouble() - 1.0f, 2.0f * (float)TempRNG.NextDouble() - 1.0f, 2.0f * (float)TempRNG.NextDouble() - 1.0f);
directions[i].Normalize();
}
}
Random RNG = new Random(1);
m_neighborPositions = new float3[NeighborsCount];
m_NeighborColors = new float3[NeighborsCount];
for (int NeighborIndex = 0; NeighborIndex < NeighborsCount; NeighborIndex++)
{
float Radius = 2.0f; // Make that random!
m_neighborPositions[NeighborIndex] = Radius * new float3(directions[NeighborIndex].x, directions[NeighborIndex].y, directions[NeighborIndex].z);
float R = (float)RNG.NextDouble();
float G = (float)RNG.NextDouble();
float B = (float)RNG.NextDouble();
m_NeighborColors[NeighborIndex] = new float3(R, G, B);
m_SB_Neighbors.m[NeighborIndex].m_Position = m_neighborPositions[NeighborIndex];
m_SB_Neighbors.m[NeighborIndex].m_Color = m_NeighborColors[NeighborIndex];
}
m_SB_Neighbors.Write(); // Upload
// Build initial cell
buttonBuildCell_Click(this, EventArgs.Empty);
}