private void Init()
{
UseOpenSimplex = RbOpenSimplex.IsChecked.Value;
UseFastSimplex = RbFastSimplex.IsChecked.Value;
double h;
for (int I = 0; I < XSize; I++)
{
for (int J = 0; J < ZSize - 1; J++)
{
if (UseFastSimplex)
{
h = PeakHeight * FastSimplexNoise.WideNoise2D(I * Scale * CellSize / 2, J * Scale * CellSize / 2 + ZOff / 2, Roughness, 0.5, 1) - 0.3;
}
else if (UseOpenSimplex)
{
h = PeakHeight * OpenSimplexNoise.WideNoise2D(I * Scale * CellSize, J * Scale * CellSize + ZOff, Roughness, 0.5, 1) - 0.3;
}
else
{
h = PeakHeight * PerlinNoise.WideNoise2D(I * Scale * CellSize, J * Scale * CellSize + ZOff, Roughness, 0.5, 1) - 0.3;
}
if (h < 0)
{
h = 0.05;
}
Elevations[I, J] = h;
}
Elevations[I, ZSize - 1] = 0.8 * PeakHeight;
}
}
private void CompositionTarget_Rendering(Object sender, EventArgs e)
{
if (!Rendering)
{
return;
}
double h;
for (int I = 0; I < XSize; I++)
{
if (UseFastSimplex)
{
h = PeakHeight * FastSimplexNoise.WideNoise2D(I * Scale * CellSize / 2, ZOff / 2, Roughness, 0.5, 1) - 0.3;
}
else if (UseOpenSimplex)
{
h = PeakHeight * OpenSimplexNoise.WideNoise2D(I * Scale * CellSize, ZOff, Roughness, 0.5, 1) - 0.3;
}
else
{
h = PeakHeight * PerlinNoise.WideNoise2D(I * Scale * CellSize, ZOff, Roughness, 0.5, 1) - 0.3;
}
if (h < 0)
{
h = 0.05;
}
Elevations[I, 0] = h;
for (int J = ZSize - 1; J > 0; J--)
{
Elevations[I, J] = Elevations[I, J - 1];
}
}
ZOff -= Scale * CellSize;
Mesh.Heights = Elevations;
GC.Collect();
Mesh.GenerateGeometry(Scene1);
//Render the scene.
Scene1.Render();
}