SF2 DrainageMonoDirr()
{
SF2 res = new SF2(this, 1);
List <SP2> fieldcopy = getFieldCopy();
fieldcopy.Sort((x, y) => y.CompareTo(x));
for (int i = 0; i < fieldcopy.Count(); i++)
{
ResultCheckSlope result = CheckSlope(fieldcopy[i]);
if (result.nb > 0)
{
float sp = res.at(fieldcopy[i].pos.x, fieldcopy[i].pos.y);
for (int ind = 0; ind < result.nb; ind++)
{
float curr = res.at(result.q[ind].pos.x, result.q[ind].pos.y);
float set = curr + (sp * result.avSlope[ind]);
set = Mathf.Clamp(set, 0, 1000);
res.setAt(result.q[ind].pos.x, result.q[ind].pos.y, set);
if (res.min > set)
{
res.min = set;
}
if (res.max < set)
{
res.max = set;
}
}
}
}
return(res);
}
public SF2 getSlopeMap()
{
SF2 res = new SF2(this, 0);
for (int i = 0; i < nx; i++)
{
for (int j = 0; j < ny; j++)
{
float slopeij = slope(i, j);
res.setAt(i, j, slopeij);
if (res.min > slopeij)
{
res.min = slopeij;
}
if (res.max < slopeij)
{
res.max = slopeij;
}
}
}
SlopeMapUptoDate = true;
return(res);
}
LayeredField(SF2 bedrock, SF2 sand) : base(bedrock)
{
}
LayeredField(SF2 bedrock) : base(bedrock)
{
}
public SF2 CalculateRoad()
{
if (!needCalculateRoad)
{
return(this.Road);
}
needCalculateRoad = false;
var watch = System.Diagnostics.Stopwatch.StartNew();
SF2 res = new SF2(this, 0);
Graph graph = new Graph(nx * ny);
for (int i = 0; i < nx; i++)
{
for (int j = 0; j < ny; j++)
{
float slopeij = SlopeMap.at(i, j);
for (int k = -1; k < 2; k++)
{
for (int l = -1; l < 2; l++)
{
int ind1 = index(i, j);
int ind2 = index(i + k, j + l);
if (k == 0 && l == 0)
{
continue;
}
if ((i + k) <= 0 || (i + k) >= nx - 1 || (j + l) <= 0 || (j + l) >= ny - 1)
{
continue;
}
//cost = 1.2^DeltaSlope * dist
float deltaSlope = slopeij - SlopeMap.at(i + k, j + l);
deltaSlope *= 8;
float cost;
float baseLength;
if ((l + k) % 2 != 0)
{
baseLength = 1f;
}
else
{
baseLength = Mathf.Sqrt(2);
}
cost = baseLength * Mathf.Pow(10f, deltaSlope);
bool isok = graph.AddEdge(ind1, ind2, cost);
}
}
}
}
int startP = index(1000, 10);
int dest = index(10, 1000);
var path = graph.FindPath(startP);
//Debug.Log(path[dest].distance);
List <(int index, float linkcost)> resultPath = Path(startP, dest);
List <(int index, float linkcost)> Path(int start, int destination)
{
List <(int index, float linkcost)> pathlist = new List <(int index, float linkcost)>();
pathlist.Add((destination, (float)(path[destination].distance - path[path[destination].prev].distance)));
for (int i = destination; i != start; i = path[i].prev)
{
float linkcost = (float)(path[path[i].prev].distance - path[path[path[i].prev].prev].distance);
pathlist.Add((path[i].prev, linkcost));
}
return(pathlist);
}
res.max = resultPath[0].linkcost;
res.min = resultPath[0].linkcost;
for (int i = 0; i < resultPath.Count; i++)
{
int rx;
int ry;
var revind = reverseIndex(resultPath[i].index);
rx = revind.x;
ry = revind.y;
res.setAt(rx, ry, resultPath[i].linkcost);
if (res.max < resultPath[i].linkcost)
{
res.max = resultPath[i].linkcost;
}
if (res.min > resultPath[i].linkcost)
{
res.min = resultPath[i].linkcost;
}
}
watch.Stop();
long elapsedMs = watch.ElapsedMilliseconds;
Debug.Log(elapsedMs);
return(res);
}
public Color GetColor(int i, int j)
{
switch (currentFilter)
{
case Filter.NONE:
return(new Color(0.5f, 0.5f, 0.5f, 1f));
case Filter.HEIGHT:
float res = map(Height(i, j), bdeepth, wdeepth, 0, 1);
return(Shade(res));
case Filter.LAPLACIAN:
float res3 = Laplacien(i, j); //map(Laplacien(i, j), 0, 10000, 0, 1);
res3 = Mathf.Pow(Mathf.Abs(res3), 0.33f);
res3 = Mathf.InverseLerp(minlap, maxlap, res3); //float res31 = map(res3, 0, 0.0001f, 0, 1);
return(Shade(res3));
case Filter.SLOPE:
float res4 = slope(i, j);
res4 = Mathf.InverseLerp(0, 5, res4);
return(Shade(res4));
case Filter.AV_SLOPE:
float res5 = averageSlope(i, j);
res5 = Mathf.InverseLerp(0, 5, res5);
return(Shade(res5));
case Filter.STREAM_POWER:
if (StreamArea == null || !StreamAreaUptoDate)
{
StreamAreaUptoDate = true;
StreamArea = DrainageMonoDirr();
}
float slopeij = slope(i, j);
float res6 = Mathf.Pow(StreamArea.at(i, j), 0.5f) * slopeij;
//float res6 = StreamArea.at(i, j);
res6 = Mathf.InverseLerp(1, 10, res6);
float resok = Mathf.Clamp01(res6);
return(Shade(resok));
case Filter.WETNESS_INDEX:
if (StreamArea == null || !StreamAreaUptoDate)
{
StreamAreaUptoDate = true;
StreamArea = DrainageMonoDirr();
}
float slopeij2 = slope(i, j);
float res7 = Mathf.Log(StreamArea.at(i, j)) / (slopeij2 + 0.05f);
res7 = Mathf.InverseLerp(1, 30, res7);
float resokok = Mathf.Clamp01(res7);
return(Shade(resokok));
break;
case Filter.ACCESS:
break;
case Filter.ORRIANTATION:
Vector3 norm = Normal(i, j);
return(new Color(norm.x, norm.y, norm.z));
case Filter.ROUTE:
if (needCalculateRoad)
{
SlopeMap = getSlopeMap();
Road = CalculateRoad();
needCalculateRoad = false;
Debug.Log("max :" + Road.max);
}
if (Road.at(i, j) > 0)
{
return(Shade(Mathf.InverseLerp(Road.min, Road.max, Road.at(i, j))));
}
else
{
return(new Color(0.5f, 0.5f, 0.5f, 1f));
}
default:
return(new Color(0.5f, 0.5f, 0.5f, 1f));
}
return(new Color(0.5f, 0.5f, 0.5f, 1f));
}