/// <summary>
/// Create a waterflow map from the terrain
/// </summary>
/// <param name="terrain">Terrain to create the waterflow map from</param>
public void CreateWaterFlowMap(Terrain terrain)
{
m_heightMap = new UnityHeightMap(terrain);
int width = m_heightMap.Width();
int depth = m_heightMap.Depth();
m_waterFlowMap = new HeightMap(width, depth);
//Avoid edges for now
for (int x = 1; x < (width - 1); x++)
{
for (int z = 1; z < (depth - 1); z++)
{
TraceWaterFlow(x, z, width, depth);
}
}
//Flip it so it matches the terrain
m_waterFlowMap.Flip();
//Smooth the water map
m_waterFlowMap.Smooth(m_waterflowSmoothIterations);
}