private void GetRelativePath(int index, out ParticleRelativePath particlePath, out int localIndex, out int listIndex)
{
particlePath = null;
localIndex = 0;
listIndex = 0;
if (m_paths.Count < 1)
{
return;
}
if (index < 0 || index >= GetPathPointCount())
{
return;
}
int pointSum = 0;
for (int r = 0; r < m_paths.Count; r++)
{
var pathList = m_paths[r];
listIndex = r;
float ratio = (float)(index + 1) / (pointSum + pathList.GetPointCount());
if (ratio <= 1.0f)
{
break;
}
pointSum += pathList.GetPointCount();
}
particlePath = m_paths[listIndex];
localIndex = index - pointSum;
}
private void GetCurrentIndices(out int localIndex, out int listIndex)
{
double globalRatio = GetGlobalRatio();
var pointCount = GetPathPointCount() - 1;
int pathIndex = 1 + (int)(globalRatio * pointCount);
ParticleRelativePath path = null;
localIndex = 0;
listIndex = 0;
GetRelativePath(pathIndex, out path, out localIndex, out listIndex);
}
private Vector3D GetPathPoint(int index)
{
ParticleRelativePath path = null;
int localIndex = 0;
int listIndex = 0;
GetRelativePath(index, out path, out localIndex, out listIndex);
if (path == null)
{
return(m_paths[m_paths.Count() - 1].GetPoint(m_paths[m_paths.Count() - 1].GetPointCount()));
}
Vector3D point = path.GetPoint(localIndex);
return(point);
}
private int GetCurrentListIndex()
{
double globalRatio = GetGlobalRatio();
var pointCount = GetPathPointCount() - 1;
int pathIndex = 1 + (int)(globalRatio * pointCount);
ParticleRelativePath path = null;
int localIndex = 0;
int listIndex = 0;
GetRelativePath(pathIndex, out path, out localIndex, out listIndex);
if (path == null)
{
return(0);
}
return(listIndex);
}
