/// <summary>
/// Used to update variable in use
/// </summary>
public void UpdateVariable()
{
List <string> variables = plot.GetVariables(); // get the list of variables
List <int> variableIndexesInUse = new List <int>();
// check variable indexes used by axis by counting
int varsInUse = 0;
if (plot.UseX())
{
varsInUse++;
variableIndexesInUse.Add(plot.GetVariableIndex().x);
}
if (plot.UseY())
{
varsInUse++;
variableIndexesInUse.Add(plot.GetVariableIndex().y);
}
if (plot.UseZ())
{
varsInUse++;
variableIndexesInUse.Add(plot.GetVariableIndex().z);
}
// if there is other variables to use allow switch
if (varsInUse < variables.Count)
{
// check which axis we are dealing with
Vector3Int newVariableIndex = new Vector3Int();
int i;
switch (axisName)
{
// update the variable in use for that axis, making sure it is not used by something else
case Axis.X:
newVariableIndex = plot.GetVariableIndex();
i = newVariableIndex.x;
while (variableIndexesInUse.Contains(i)) // while i is in use
{
i = (i + 1) % (variables.Count); // look for a new index in range
}
// once you find a new index in range, set it and redraw
newVariableIndex.x = i;
plot.RedrawAxis(newVariableIndex);
break;
case Axis.Y:
newVariableIndex = plot.GetVariableIndex();
i = newVariableIndex.y;
while (variableIndexesInUse.Contains(i)) // while i is in use
{
i = (i + 1) % (variables.Count); // look for a new index in range
}
// once you find a new index in range, set it and redraw
newVariableIndex.y = i;
plot.RedrawAxis(newVariableIndex);
break;
case Axis.Z:
newVariableIndex = plot.GetVariableIndex();
i = newVariableIndex.z;
while (variableIndexesInUse.Contains(i)) // while i is in use
{
i = (i + 1) % (variables.Count); // look for a new index in range
}
// once you find a new index in range, set it and redraw
newVariableIndex.z = i;
plot.RedrawAxis(newVariableIndex);
break;
}
}
}