private void GetPointsFromFlowDirAtTwo(RiverData.Direction predir, RiverData.Direction curdir, Vector3 pos, ref List <Vector3> left, ref List <Vector3> right)
{
if (predir == curdir || predir == RiverData.Direction.NotExist)
{
var r1 = PointSDir(pos, curdir, RiverData.GetTargetDirsDir(curdir, RiverData.Direction.Right));
var r2 = PointSDir(pos, RiverData.GetTargetDirsDir(curdir, RiverData.Direction.Right), RiverData.GetTargetDirsDir(curdir, RiverData.Direction.Down));
var l1 = PointSDir(pos, curdir, RiverData.GetTargetDirsDir(curdir, RiverData.Direction.Left));
var l2 = PointSDir(pos, RiverData.GetTargetDirsDir(curdir, RiverData.Direction.Left), RiverData.GetTargetDirsDir(curdir, RiverData.Direction.Down));
left.Add(l2);
left.Add(l1);
right.Add(r2);
right.Add(r1);
}
else
{
var diffdir = RiverData.ThisDirisOrisDirsDir(curdir, predir);
switch (diffdir)
{
case RiverData.Direction.Left:
{
var r1 = PointSDir(pos, curdir, RiverData.GetTargetDirsDir(curdir, RiverData.Direction.Right));
var r2 = PointSDir(pos, curdir, RiverData.GetTargetDirsDir(curdir, RiverData.Direction.Down));
var r3 = PointSDir(pos, curdir, RiverData.GetTargetDirsDir(curdir, RiverData.Direction.Left));
var l1 = PointSDir(pos, curdir, RiverData.GetTargetDirsDir(curdir, RiverData.Direction.Down));
}
break;
case RiverData.Direction.Right:
{
}
break;
}
}
}
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);
}