public List <CoorinateFloat> Function2Task(CoorinateFloat centerPoint)
{
var goodWith = Size.Width - OldSize.Width;
var goodHeight = Size.Height - OldSize.Height;
var haveA = float.TryParse(task2fromA.Text, out float a);
var haveB = float.TryParse(task2toB.Text, out float b);
var haveC = float.TryParse(task2constC.Text, out float c);
var coordinates = new List <CoorinateFloat>();
if (!haveA || !haveB || !haveC)
{
return(coordinates);
}
var dot = new CoorinateFloat(centerPoint);
for (float i = a; i <= b; i = (float)Math.Round(i + 1f / 100f, 2))
{
if (i == 0 || (i + 1) == 0)
{
coordinates.Add(dot.Coordinate(0, 0, true));
}
else
{
var y = (c * (i * i) - 1) / (i + 1) + (1 / i) * 20;
var x = i * 20;
coordinates.Add(dot.Coordinate(x, y));
}
}
return(coordinates);
}
private List <CoorinateFloat> DrawPoints()
{
var centerPoint = new CoorinateFloat((float)Size.Width / 2, (float)Size.Height / 2);
var coordinates = new List <CoorinateFloat>();
var point = new CoorinateFloat(centerPoint);
Brush aBrush = (Brush)Brushes.Black;
for (var i = 0; i < dataGridView1.Rows.Count; i++)
{
var cellX = dataGridView1.Rows[i].Cells[0].Value;
var cellY = dataGridView1.Rows[i].Cells[1].Value;
if (cellX != null && cellY != null)
{
var x = int.Parse(dataGridView1.Rows[i].Cells[0].Value.ToString());
var y = int.Parse(dataGridView1.Rows[i].Cells[1].Value.ToString());
coordinates.Add(point.Coordinate(x, y));
}
}
foreach (var dot in coordinates)
{
Options.GraphicsObject.FillRectangle(aBrush, dot.ForDrawX, dot.ForDrawY, 3, 3);
}
return(coordinates);
}
public CustomArrow(CoorinateFloat centerPoint)
{
var dot = new CoorinateFloat(centerPoint);
Coordinates = new List <CoorinateFloat>()
{
dot.Coordinate(0, 10),
dot.Coordinate(220, 10),
dot.Coordinate(220, 20),
dot.Coordinate(240, 0),
dot.Coordinate(220, -20),
dot.Coordinate(220, -10),
dot.Coordinate(0, -10),
dot.Coordinate(0, 10)
};
}