// -----------------------------------------------------------------------------------------------------------------
public bool SearchNextOffset(float offset, ref Vector3 offset_pos)
{
// Start with with current edge and search fitting edge
while (m_search_it != null)
{
CEdgeNode e = m_search_it.Value;
float edge_len = e.GetLength();
// Check whether offset is inside the boundaries of current edge
if (offset > m_search_offset &&
offset < m_search_offset + edge_len)
{
// Bingo
float diff = offset - m_search_offset;
offset_pos = e.GetVertex(0).GetPos() + e.GetUnitVector() * diff;
return(true);
}
// Continue with next edge
m_search_offset += edge_len;
m_search_it = m_search_it.Next;
}
// Not found
return(false);
}
// -----------------------------------------------------------------------------------------------------------------
public void AddVertex(Vector3 pos, bool finalize_head)
{
bool rebuild_line_renderer = false;
// Add first vertex
if (m_vertices.Count == 0)
{
CVertexNode v1 = AddVertexNode(pos);
CVertexNode v0 = AddVertexNode(pos);
m_edges.AddFirst(new CEdgeNode(v0, v1));
rebuild_line_renderer = true;
// Finalize head
}
else if (finalize_head)
{
CVertexNode v1 = m_vertices.First.Value;
v1.SetPos(pos);
CVertexNode v0 = AddVertexNode(pos);
m_edges.AddFirst(new CEdgeNode(v0, v1));
rebuild_line_renderer = true;
// Update head
}
else
{
m_vertices.First.Value.SetPos(pos);
m_edges.First.Value.Update();
rebuild_line_renderer = false;
}
// Take care of max length
if (m_vertices.Count > m_config.max_vertices)
{
if (m_increase_len)
{
m_increase_len = false;
m_config.max_vertices++;
}
else
{
ReleaseVertexNode(m_vertices.Last.Value);
m_vertices.RemoveLast();
m_edges.RemoveLast();
}
}
// Update line renderer
if (m_line_renderer != null)
{
// Rebuild line renderer
m_line_renderer.SetVertexCount(m_vertices.Count);
if (rebuild_line_renderer)
{
int idx = 0;
m_line_renderer.SetVertexCount(m_vertices.Count);
// Build line renderer from edges
for (LinkedListNode <CEdgeNode> it = m_edges.First; it != null; it = it.Next)
{
CEdgeNode e = it.Value;
if (idx == 0)
{
m_line_renderer.SetPosition(idx++, e.GetVertex(0).GetPos());
m_line_renderer.SetPosition(idx++, e.GetVertex(1).GetPos());
}
else
{
m_line_renderer.SetPosition(idx++, e.GetVertex(1).GetPos());
}
}
// Update only head
}
else
{
m_line_renderer.SetPosition(0, pos);
}
}
}