/** Pass in the constructor from the poisson-disk-sampling module */
public MeshBuilder addPoisson(float spacing, Rander.RandFloat rng)
{
var generator = new PoissonDiskSampling(new int[] { 1000, 1000 }, spacing, 0, 0, rng);
foreach (var p in this.points)
{
generator.addPoint(new Float[] { p[0], p[1] });
}
this.points = generator.fill();
return(this);
}
public PointsData(int seed, int width, int height, float mountainSpacing, float spacing)
{
var shape = new int[] { width, height };
var poissonPeaks = new PoissonDiskSampling(shape, mountainSpacing, 0, 0, Rander.makeRandFloat(seed)).fill();
var generator = new PoissonDiskSampling(shape, spacing, 0, 0, Rander.makeRandFloat(seed));
foreach (var p in poissonPeaks)
{
generator.addPoint(p);
}
var mesh = generator.fill();
var tmpPoints = new int[mesh.Count];
var indexs = new int[mesh.Count];
for (int i = 0; i < indexs.Length; ++i)
{
var p = mesh[i];
tmpPoints[i] = ((int)p[0]) << 16 | (int)p[1];
indexs[i] = i;
}
Array.Sort(tmpPoints, indexs);
points = new UInt16[tmpPoints.Length][];
peaks = new UInt16[poissonPeaks.Count];
int count = 0;
for (int i = 0; i < indexs.Length; ++i)
{
var p = tmpPoints[i];
points[i] = new UInt16[] { (UInt16)((p >> 16) & 0xffff), (UInt16)(p & 0xffff) };
if (indexs[i] < peaks.Length)
{
peaks[count++] = (UInt16)i;
}
}
}
