public static void Serpentine(MatrixWorld heights, Spline spline, float segLength, int iterations, SerpentineFactors factors)
{
DebugGizmos.Clear("Serp");
factors.Normalize();
float DistFn(Vector3 n1, Vector3 n2) => Mathf.Sqrt((n1.x - n2.x) * (n1.x - n2.x) + (n1.z - n2.z) * (n1.z - n2.z));
for (int i = 0; i < iterations; i++)
{
tmpIteration = i;
tmpHighlightIteration = iterations - 1;
spline.SubdivideDist(segLength, DistFn);
Floor(heights, spline);
CoordRect rect = heights.rect;
Coord rectMin = heights.rect.offset; Coord rectMax = heights.rect.offset + heights.rect.size;
float pixelSize = heights.PixelSize.x;
Vector3[] newNodes = new Vector3[spline.nodes.Length];
for (int n = 1; n < spline.nodes.Length - 1; n++)
{
//if (n>2) { newNodes[n]=spline.nodes[n]; continue; }
tmpNode = n;
float weight = GetNodeWeight(spline.nodes[n - 1], spline.nodes[n], spline.nodes[n + 1], factors, heights.worldSize.y);
Vector3 moveVector = GetMoveVector(heights,
spline.nodes[n - 1], spline.nodes[n], spline.nodes[n + 1],
weight, 1, heights.PixelSize.x, factors);
newNodes[n] = spline.nodes[n] + moveVector * 3f; //*heights.PixelSize*0.2f;// * (2f/iterations);
if (tmpHighlightIteration == i)
{
DebugGizmos.DrawRay("Serp", newNodes[n], moveVector, Color.yellow, additive: true);
}
}
newNodes[0] = spline.nodes[0];
newNodes[newNodes.Length - 1] = spline.nodes[spline.nodes.Length - 1];
spline.nodes = newNodes;
spline.Weld(segLength / 2, DistFn);
}
}
public static void SerpentineUnordered(MatrixWorld heights, Spline spline, float segLength, int iterations, SerpentineFactors factors)
{
DebugGizmos.Clear("Serp");
factors.Normalize();
float DistFn(Vector3 n1, Vector3 n2) => Mathf.Sqrt((n1.x - n2.x) * (n1.x - n2.x) + (n1.z - n2.z) * (n1.z - n2.z));
CoordRect rect = heights.rect;
Coord rectMin = heights.rect.offset; Coord rectMax = heights.rect.offset + heights.rect.size;
float pixelSize = heights.PixelSize.x;
for (int i = 0; i < iterations; i++)
{
spline.SubdivideDist(segLength, DistFn);
Floor(heights, spline);
tmpIteration = i;
tmpHighlightIteration = iterations - 1;
//finding node with lowest rating
float lowestRating = float.MaxValue;
int lowestNum = 0;
for (int n = 1; n < spline.nodes.Length - 1; n++)
{
float rating = GetNodeWeight(spline.nodes[n - 1], spline.nodes[n], spline.nodes[n + 1], factors, heights.worldSize.y);
if (rating < lowestRating)
{
lowestRating = rating;
lowestNum = n;
}
}
tmpNode = lowestNum;
float weight = GetNodeWeight(spline.nodes[lowestNum - 1], spline.nodes[lowestNum], spline.nodes[lowestNum + 1], factors, heights.worldSize.y);
Vector3 moveVector = GetMoveVector(heights,
spline.nodes[lowestNum - 1], spline.nodes[lowestNum], spline.nodes[lowestNum + 1],
weight, 1, heights.PixelSize.x, factors);
spline.nodes[lowestNum] += moveVector; //*heights.PixelSize*0.2f;// * (2f/iterations);
spline.Weld(segLength / 2, DistFn);
}
}