|
public LocateNode ( TriangulationPoint point ) : |
||
| point | TriangulationPoint | |
| return | ||
/// <summary>
/// Find closes node to the left of the new point and
/// create a new triangle. If needed new holes and basins
/// will be filled to.
/// </summary>
private static AdvancingFrontNode PointEvent(DTSweepContext tcx, TriangulationPoint point)
{
AdvancingFrontNode node, newNode;
node = tcx.LocateNode(point);
newNode = NewFrontTriangle(tcx, point, node);
// Only need to check +epsilon since point never have smaller
// x value than node due to how we fetch nodes from the front
if (point.X <= node.Point.X + TriangulationUtil.EPSILON)
{
Fill(tcx, node);
}
tcx.AddNode(newNode);
FillAdvancingFront(tcx, newNode);
return(newNode);
}
/// <summary>
/// Find closes node to the left of the new point and
/// create a new triangle. If needed new holes and basins
/// will be filled to.
/// </summary>
private static AdvancingFrontNode PointEvent(DTSweepContext tcx, TriangulationPoint point)
{
AdvancingFrontNode node = tcx.LocateNode(point);
if (tcx.IsDebugEnabled)
{
tcx.DebugContext.ActiveNode = node;
}
if (node == null || point == null)
{
return(null);
}
AdvancingFrontNode newNode = NewFrontTriangle(tcx, point, node);
// Only need to check +epsilon since point never have smaller
// x value than node due to how we fetch nodes from the front
if (point.X <= node.Point.X + MathUtil.EPSILON)
{
Fill(tcx, node);
}
FillAdvancingFront(tcx, newNode);
return(newNode);
}
/// <summary>
/// Find closes node to the left of the new point and
/// create a new triangle. If needed new holes and basins
/// will be filled to.
/// </summary>
private static AdvancingFrontNode PointEvent(DTSweepContext tcx, TriangulationPoint point)
{
AdvancingFrontNode node, newNode;
node = tcx.LocateNode(point);
newNode = NewFrontTriangle(tcx, point, node);
// Only need to check +epsilon since point never have smaller
// x value than node due to how we fetch nodes from the front
if (point.X <= node.Point.X + TriangulationUtil.EPSILON)
{
Fill(tcx, node);
}
tcx.AddNode(newNode);
FillAdvancingFront(tcx, newNode);
return newNode;
}
