void solver_DebugMaxMin(FractionPoint max, FractionPoint min, Fraction f_tan)
{
if (df == null)
{
df = new DekartForm(100, 100, 100, 100);
df.Text = "max & min";
}
df.Use_IsVisible = false;
// n
df.AddPolygon(Color.Black, DrawModes.DrawLines,
new PointF(1000, f_tan * 1000),
new PointF(-1000, -f_tan * 1000));
for (float percent = 0; ; percent += .05f)
{
int id1 = df.AddPolygon(Color.Black, DrawModes.DrawLines,
new PointF(1000 + max.X * percent, -1 / f_tan * 1000 + max.Y * percent),
new PointF(-1000 + max.X * percent, 1 / f_tan * 1000 + max.Y * percent));
int id2 = df.AddPolygon(Color.Black, DrawModes.DrawLines,
new PointF(1000 + min.X * percent, -1 / f_tan * 1000 + min.Y * percent),
new PointF(-1000 + min.X * percent, 1 / f_tan * 1000 + min.Y * percent));
//int id1 = df.AddPolygon(Color.Orange, DrawModes.DrawLines,
// new PointF(1000 + max.X * percent, -1 / f_tan * 1000 + max.Y * percent),
// new PointF(-1000 + max.X * percent, 1 / f_tan * 1000 + max.Y * percent));
//int id2 = df.AddPolygon(Color.CornflowerBlue, DrawModes.DrawLines,
// new PointF(1000 + min.X * percent, -1 / f_tan * 1000 + min.Y * percent),
// new PointF(-1000 + min.X * percent, 1 / f_tan * 1000 + min.Y * percent));
if (percent >= 0.99f)
{
break;
}
df.Update2();
Application.DoEvents();
df.RemoveGraphic(id2);
df.RemoveGraphic(id1);
}
//df.AddPolygon(Color.Orange, 3f, DrawModes.DrawPoints, new PointF(max.X, max.Y));
//df.AddPolygon(Color.CornflowerBlue, 3f, DrawModes.DrawPoints, new PointF(min.X, min.Y));
df.AddPolygon(Color.Black, 3f, DrawModes.DrawPoints, new PointF(max.X, max.Y));
df.AddPolygon(Color.Black, 3f, DrawModes.DrawPoints, new PointF(min.X, min.Y));
df.Show();
df.Update2();
}
private void RunWave_Click(object sender, EventArgs e)
{
DekartForm dForm = new DekartForm(150, 150, 50, 175);
dForm.Size = new Size(800, 420);
dForm.Text = "f(x,t) = |cos(t)|*sin(4x)";
dForm.Show();
int tmpID = -1;
for (t = 0; !dForm.IsDisposed; t += 0.1f)
{
if (t > +2 * Math.PI)
{
t -= 2 * (float)Math.PI;
}
if (tmpID >= 0)
{
dForm.RemoveGraphic(tmpID);
}
tmpID = dForm.AddGraphic(fun, -5, 5,
DrawModes.DrawLines, Color.Red);
dForm.Update2(); //.DrawAllGraphics();
Application.DoEvents();
}
}
private void RollStar_Click(object sender, EventArgs e)
{
DekartForm dForm = new DekartForm(150, 150, 180, 175);
dForm.Use_IsVisible = false;
dForm.Size = new Size(400, 425);
dForm.Text = "f(x) = 5sin(x^3)-x";
dForm.Show();
int k = 7;
int tmpID = -1;
int grnVal = 150;
int grnDx = 1;
Random rnd = new Random((int)(DateTime.Now.Ticks));
for (float phi = -0.01f; !dForm.IsDisposed;
//phi += phi/5 ) //for !crazy!
phi += -0.008f) //normal
{
grnVal += ((grnVal < 100) || (grnVal > 200))
? grnDx *= -1 : grnDx;
if (phi < -2 * Math.PI)
{
phi += 2 * (float)Math.PI;
}
int l = 0;
PointF[] pts = new PointF[k * k];
float r = 0.5f * (float)Math.Abs(Math.Cos(3 * phi)) + 0.5f;
//Math.Abs(Math.Cos(t) + 0.5);
for (int i = 0; i < k; i++)
{
PointF pti = new PointF(
r * (float)Math.Cos(2 * i * Math.PI / k + phi),
r * (float)Math.Sin(2 * i * Math.PI / k + phi));
for (int j = 0; j < i; j++)
{
if ((j == i - 1) ||
(j == 0 && i == k - 1))
{
continue;
}
pts[l++] = pti;
pts[l++] = new PointF(
r * (float)Math.Cos(2 * j * Math.PI / k + phi),
r * (float)Math.Sin(2 * j * Math.PI / k + phi)
);
}
}
Array.Resize <PointF>(ref pts, l);
Color cl = Color.FromArgb(100, grnVal, 100);
if (tmpID >= 0)
{
dForm.RemoveGraphic(tmpID);
}
tmpID = dForm.AddPolygon(cl, 2f, DrawModes.DrawLines, pts);
dForm.Update2();
//.DrawAllGraphics();
Application.DoEvents();
}
}
void dfSFPriodic_dfClosed(object sender, EventArgs e)
{
float oneThird = 1f / 3f;
if (ActiveMdiChild is FormChild)
{
FormChild activeMdiChild = ActiveMdiChild as FormChild;
double[] data = activeMdiChild.DataAsRow;
DekartForm df = dform;
PointF[] pts;
if (!clickSentinels.Contains(data.Length - 1))
{
clickSentinels.Add(data.Length - 1);
}
double[] m = new double[clickSentinels.Count];
clickSentinels.Sort();
if (grIds == null)
{
grIds = new List <int>(100);
}
else
{
try
{
for (int i = 0; i < grIds.Count; i++)
{
df.RemoveGraphic(grIds[i]);
for (int l = 0; l < grIds.Count; l++)
{
if (grIds[l] > grIds[i])
{
grIds[l]--;
}
}
}
}
catch (ArgumentOutOfRangeException) { }
grIds.Clear();
}
int first = 0;
for (int i = 0; i < clickSentinels.Count; i++)
{
pts = new PointF[2];
for (int k = first; k <= clickSentinels[i]; k++)
{
m[i] += data[k];
}
m[i] /= clickSentinels[i] - first + 1;
pts[0].X = first - oneThird;
pts[1].X = clickSentinels[i] + oneThird;
pts[0].Y = pts[1].Y = (float)m[i];
grIds.Add(df.AddPolygon(Color.Red, 2f, DrawModes.DrawLines, pts));
first = clickSentinels[i] + 1;
}
//pts = new PointF[data.Length];
//for (int i = 0; i < data.Length; i++)
//{
// pts[i].X = i;
// pts[i].Y = (float)data[i];
//}
//df.AddPolygon(Color.Green, 3f, DrawModes.DrawPoints, pts);
df.Use_IsVisible = false;
df.Show();
df.Update2();
}
}
