// added 24/3/2020. Updated 1 april 2020
// Feature update: Grid segment type movement, that "reformats" the segment value input. This is different from add_segment above
public bool add_SegmentGrid(displayFunc display)
{
// Note now: y = a axis in GUI
// Note now: x = b axis in GUI
// Note -a = move backwards
// Note -b = move right
int anchorStart_y = Segment_positions.Last()[0];
int anchorStart_x = Segment_positions.Last()[3];
int anchorEnd_y = Segment_positions.Last()[1];
int anchorEnd_x = Segment_positions.Last()[4];
int increment_y = Segment_positions.Last()[2];
int increment_x = Segment_positions.Last()[5];
// We iterate through y_axis end to end, then move increment x_axis once, then repeat:
// Section1: check alignment: increment multiple is valid
// sub-section1: normal non-zero multiple:
bool validIncrement_x = (Math.Abs(Segment_positions.Last()[5]) > 0) ? (Segment_positions.Last()[4] - Segment_positions.Last()[3]) % Segment_positions.Last()[5] == 0 ? true : false : false;
bool validIncrement_y = (Math.Abs(Segment_positions.Last()[2]) > 0) ? (Segment_positions.Last()[1] - Segment_positions.Last()[0]) % Segment_positions.Last()[2] == 0 ? true : false : false;
// sub-section2: edge case of 0 increment:
validIncrement_y = (validIncrement_y == false && increment_y == 0) ? (anchorStart_y - anchorEnd_y == 0) ? true : false : validIncrement_y;
validIncrement_x = (validIncrement_x == false && increment_x == 0) ? (anchorStart_x - anchorEnd_x == 0) ? true : false : validIncrement_x;
if (!validIncrement_x || !validIncrement_y)
{
System.Windows.Forms.MessageBox.Show("Segment values do not add up. Check your input values.", "Invalid Input.");
return(false);
}
// Start inserting segments into array:
for (int j = anchorStart_y; Math.Abs(j) <= Math.Abs(anchorEnd_y); j += increment_y)
{
Segment_positions.Last()[0] = j;
Segment_positions.Last()[1] = j;
Segment_positions.Last()[2] = 0;
Segment_positions.Last()[3] = anchorStart_x;
Segment_positions.Last()[4] = anchorEnd_x;
Segment_positions.Last()[5] = increment_x;
Segment_positions.Add(new int[6] {
0, 0, 0, 0, 0, 0
});
// Prevent infinite loop
if (increment_y == 0 && increment_x == 0)
{
break;
}
}
display?.Invoke();
return(true);
}
public override bool set_SegmentPosition(int index, int value)
{
try
{
Segment_positions.Last()[index] = value;
}
catch (Exception e)
{
Console.WriteLine($"Generic exception handler: {e}");
return(false);
}
return(true);
}
public bool add_Segment(displayFunc display)
{
// check if Segment values are valid (i.e. if they add up):
bool same_num_samples = false;
int b_sample_num = (Math.Abs(Segment_positions.Last()[5]) > 0) ? (Segment_positions.Last()[4] - Segment_positions.Last()[3]) / Segment_positions.Last()[5] : 0;
int a_sample_num = (Math.Abs(Segment_positions.Last()[2]) > 0) ? (Segment_positions.Last()[1] - Segment_positions.Last()[0]) / Segment_positions.Last()[2] : 0;
same_num_samples = (b_sample_num == 0 || a_sample_num == 0 || (b_sample_num != a_sample_num)) ? false : true;
if (same_num_samples && ((Segment_positions.Last()[1] - Segment_positions.Last()[0]) % Segment_positions.Last()[2] == 0) && ((Segment_positions.Last()[4] - Segment_positions.Last()[3]) % Segment_positions.Last()[5] == 0))
{
Segment_positions.Add(new int[6] {
0, 0, 0, 0, 0, 0
});
display?.Invoke();
return(true);
}
else if (b_sample_num != 0 || a_sample_num != 0)
{
// added 24/3/2020
// edge case: if either a or b direction is stationary, but not both
if (b_sample_num != 0)
{
if (((Segment_positions.Last()[4] - Segment_positions.Last()[3]) % Segment_positions.Last()[5] == 0))
{
Segment_positions.Add(new int[6] {
0, 0, 0, 0, 0, 0
});
display?.Invoke();
return(true);
}
}
else if (a_sample_num != 0)
{
if (((Segment_positions.Last()[1] - Segment_positions.Last()[0]) % Segment_positions.Last()[2] == 0))
{
Segment_positions.Add(new int[6] {
0, 0, 0, 0, 0, 0
});
display?.Invoke();
return(true);
}
}
}
// if has not return, it is false
System.Windows.Forms.MessageBox.Show("Segment values do not add up. Check your input values.", "Invalid Input.");
return(false);
}