public ObiHeightFieldHandle GetOrCreateHeightField(TerrainData source)
{
ObiHeightFieldHandle handle;
if (!handles.TryGetValue(source, out handle))
{
// Get the heighfield into a 1d array:
int width = source.heightmapResolution;
int height = source.heightmapResolution;
float[,] heights = source.GetHeights(0, 0, width, height);
float[] buffer = new float[width * height];
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
buffer[y * width + x] = heights[y, x];
}
}
handle = new ObiHeightFieldHandle(source, headers.count);
handles.Add(source, handle);
headers.Add(new HeightFieldHeader(samples.count, buffer.Length));
samples.AddRange(buffer);
}
return(handle);
}
public void AddConstraint(int[] indices, bool isExplicit)
{
RegisterConstraint();
firstIndex.Add((int)particleIndices.count);
numIndices.Add((int)indices.Length);
explicitGroup.Add(isExplicit ? 1 : 0);
particleIndices.AddRange(indices);
materialParameters.AddRange(new float[] { 1, 1, 1, 1, 1 });
}