private void selectActionMouseDown(MouseEventArgs e)
{
currentAction = ActionType.Select;
double selectionWorldDistance = selectionPixelDistance / (zoomPercent / 100);
double pointDistance = selectionWorldDistance;
LineGraph closestPointsLine = null;
WorldPoint closestPoint = null;
double lineDistance = selectionWorldDistance;
LineGraph closestLine = null;
foreach (LineGraph line in World.Lines)
{
bool isLine;
double distance;
int index = line.Grab(mouseDownWorldX, mouseDownWorldY, selectionWorldDistance, out distance, out isLine);
if (index != -1)
{
if (isLine)
{
if (distance < lineDistance)
{
lineDistance = distance;
closestLine = line;
}
}
else
{
if (distance < pointDistance)
{
pointDistance = distance;
closestPoint = line[index];
closestPointsLine = line;
}
}
}
}
if (closestPoint != null)
{
if (!selection.Contains(closestPoint))
{
selection.Clear();
selectionIndices.Clear();
selection.Add(closestPoint);
selectionIndices.Add(closestPoint.getIndex());
}
currentAction = ActionType.MoveSelection;
}
else if (closestLine != null)
{
selection.Clear();
selectionIndices.Clear();
for (int i = 0; i < closestLine.Count; i++)
{
selection.Add(closestLine[i]);
selectionIndices.Add(i);
}
currentAction = ActionType.MoveSelection;
}
}
