private void GenFromNew(RiverData data)
{
kNoiseVector = new Dictionary <Vector3, Vector3>();
for (int i = 0, iMax = data.kOrigins.Count; i < iMax; ++i)
{
var river = data.kOrigins[i];
if ((river.type & RiverData.RiverBoundsType.EndPoint) == 0)
{
kCurE = river;
kPre = null;
while (kCurE != null && (kCurE.type & RiverData.RiverBoundsType.EndPoint) == 0)
{
GenNoiseVector(kCurE, kPre);
}
}
}
for (int i = 0, iMax = data.kOrigins.Count; i < iMax; ++i)
{
var river = data.kOrigins[i];
if ((river.type & RiverData.RiverBoundsType.EndPoint) == 0)
{
kCurE = river;
kPre = null;
while (kCurE != null && (kCurE.type & RiverData.RiverBoundsType.EndPoint) == 0)
{
GenFromOriginBounds(kCurE, kPre);
}
}
}
}
private void GenCenter(RiverData.Bounds kCur, List <Vector3> kCenterPoints)
{
while (kCur != null && (kCur.type & RiverData.RiverBoundsType.EndPoint) == 0)
{
var center = CenterPos(kCur.pos);
kCenterPoints.Add(center);
kCur = kCur.GetLink(kCur.flowDir);
}
}
private void GenNoiseVector(RiverData.Bounds kCur, RiverData.Bounds before)
{
kCur.widthModify = 0f;
if (before != null)
{
int count = 0;
var next = kCur.GetNext();
while (next != null && next.flowDir == kCur.flowDir)
{
++count;
next = next.GetNext();
}
var temp = kCur;
for (int i = 0; i < count; ++i)
{
var T = (float)count;
var onePI = Mathf.PI;
var angle = (float)onePI * i / T + onePI;
var a = Mathf.Sin(angle);
temp.diffModify = a;
temp = temp.GetNext();
}
kPre = temp;
kCurE = temp.GetNext();
}
else
{
kPre = kCurE;
kCurE = kCur.GetLink(kCur.flowDir);
}
}
private void GenFromOriginBounds(RiverData.Bounds kCur, RiverData.Bounds before)
{
if (kCur == null)
{
Debug.Log("CC");
}
kCur.bHasGend = true;
var dir = kCur.flowDir;
if (before == null)// 这是原点
{
//if (kCur != null)
{
kCur.widthModify = kxModify;
float centerx = kCur.pos.x + 0.5f;
float centerz = kCur.pos.z + 0.5f;
Vector3 center = new Vector3(centerx, 0, centerz);
var borderleft = BorderLeft(center, kCur.flowDir);
var borderright = BorderRight(center, kCur.flowDir);
var downleft = DownLeft(center, kCur.flowDir);
var downRight = DownRight(center, kCur.flowDir);
var mid = ModifyVector(LerpPos(downleft, downRight, 0.5f));
var ldir = RiverData.GetTargetDirsDir(kCur.flowDir, RiverData.Direction.Left);
var rdir = RiverData.GetTargetDirsDir(kCur.flowDir, RiverData.Direction.Right);
var l = ModifyVector(LerpPos(borderleft, borderright, 0.5f + 0.5f * kRiverPercent * kCur.widthModify));
var r = ModifyVector(LerpPos(borderright, borderleft, 0.5f + 0.5f * kRiverPercent * kCur.widthModify));
AddEightVertice(mid, l, r, mid, Color.white);
}
}
else
{
//var dir = kCur.flowDir;
if (kPre.flowDir == kCur.flowDir)
{
kCur.widthModify = Mathf.Clamp(kPre.widthModify + kxModify, 0f, 1.0f);
float centerx = kCur.pos.x + 0.5f;
float centerz = kCur.pos.z + 0.5f;
Vector3 center = new Vector3(centerx, 0, centerz);
var borderleft = BorderLeft(center, dir);
var borderright = BorderRight(center, dir);
var downl = kBoundsPoints[0];
var downr = kBoundsPoints[1];
var ldir = RiverData.GetTargetDirsDir(dir, RiverData.Direction.Left);
var rdir = RiverData.GetTargetDirsDir(dir, RiverData.Direction.Right);
var l = ModifyVector(LerpPos(borderleft, borderright, 0.5f + 0.5f * kRiverPercent * kCur.widthModify), kCur.diffModify, dir);
var r = ModifyVector(LerpPos(borderright, borderleft, 0.5f + 0.5f * kRiverPercent * kCur.widthModify), kCur.diffModify, dir);
AddEightVertice(downl, l, r, downr, Color.white);
}
else
{
kCur.widthModify = Mathf.Clamp(kPre.widthModify + kxModify, 0f, 1.0f);
float centerx = kCur.pos.x + 0.5f;
float centerz = kCur.pos.z + 0.5f;
Vector3 center = new Vector3(centerx, 0, centerz);
var borderleft = BorderLeft(center, dir);
var borderright = BorderRight(center, dir);
var downl = kBoundsPoints[0];
var downr = kBoundsPoints[1];
var diff = RiverData.ThisDirisOrisDirsDir(kCur.flowDir, kPre.flowDir);
var l = ModifyVector(LerpPos(borderleft, borderright, 0.5f + 0.5f * kRiverPercent * kCur.widthModify));
var r = ModifyVector(LerpPos(borderright, borderleft, 0.5f + 0.5f * kRiverPercent * kCur.widthModify));
AddEightVertice(downl, l, r, downr, Color.white, diff);
}
}
kPre = kCurE;
kCurE = kCur.GetLink(kCur.flowDir);
}