private Vector3 PointSDir(Vector3 ori, RiverData.Direction a, RiverData.Direction b)
{
Vector3 result = new Vector3(ori.x, ori.y, ori.z);
var amodify = RiverData.GetDirectionDir(a);
var bmodify = RiverData.GetDirectionDir(b);
result += amodify / 2;
result += bmodify / 2;
return(result);
}
private Vector3 DownRightEx(Vector3 center, RiverData.Direction dir)
{
Vector3 result = new Vector3();
var vector = RiverData.GetDirectionDir(dir);
var noiseDir = (NoiseVector(center)).normalized;
var direx = (-vector + noiseDir).normalized;
var dirleft = Vector3.Cross(direx, Vector3.up);
result = center + (direx + dirleft) * 0.5f;
return(result);
}
private Vector3 BorderLeftEx(Vector3 center, RiverData.Direction dir)
{
Vector3 result = new Vector3();
var vector = RiverData.GetDirectionDir(dir);
var noiseModify = NoiseModify(center);
//Vector3 noiseDir = new Vector3(noiseModify.x - center.x, 0, noiseModify.z - center.z);
var noiseDir = (NoiseVector(center)).normalized;
var direx = (vector + noiseDir).normalized;
var dirleft = Vector3.Cross(direx, Vector3.up);
result = center + (direx + dirleft) * 0.5f;
return(result);
}