/// <summary>
/// When pictureBox redraws.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void pictureBox_Paint(object sender, PaintEventArgs e)
{
switch (pickedFractal)
{
case 0:
koch = new KochCurve(depth, sender, e, p);
koch.DrawFractal(p);
break;
case 1:
triangle = new TriangleSerpinsky(depth, sender, e, p);
triangle.DrawFractal(p);
break;
case 2:
tree = new FractalTree(depth, sender, e, p);
tree.LengthCoef = coef;
tree.LeftAngle = leftAngle;
tree.RightAngle = rightAngle;
tree.DrawFractal(p);
break;
case 3:
carpet = new CarpetSerpinskiy(depth, sender, e, p);
carpet.DrawFractal(p);
break;
case 4:
cantor = new CantorSet(depth, sender, e, p);
cantor.SetDist(cantorDist);
cantor.DrawFractal(p);
break;
}
}
private void CreatePoints()
{
var pointA = new Vector2(0, -Diameter);
var pointB = pointA + new Vector2(0, Diameter * 2).Rotated(Mathf.Deg2Rad(30));
var pointC = pointA + new Vector2(0, Diameter * 2).Rotated(-Mathf.Deg2Rad(30));
_curveA = new KochCurve(pointB, pointA, Generations);
_curveB = new KochCurve(pointC, pointB, Generations);
_curveC = new KochCurve(pointA, pointC, Generations);
_curveA.GenerateAll();
_curveB.GenerateAll();
_curveC.GenerateAll();
}
/// <summary>
/// Render koch curve.
/// </summary>
/// <param name="target"> Target of the rendering. </param>
public override void Render(Graphics target)
{
Pen pen = new Pen(GetColor());
int dx = (int)(Length * Math.Cos(angle));
int dy = (int)(Length * Math.Sin(angle));
// Render next recursion level.
if (depth < MaxDepth)
{
// Stop if fractal is too small.
if (Length / 3 == 0)
{
return;
}
// Triangle part.
int upperPointX = (int)(X + dx / 3 + Length / 3 * Math.Cos(angle + Math.PI / 3));
int upperPointY = (int)(Y + dy / 3 + Length / 3 * Math.Sin(angle + Math.PI / 3));
KochCurve kc1 =
new KochCurve(depth + 1, MaxDepth, Length / 3, X + dx / 3, Y + dy / 3, angle + Math.PI / 3);
KochCurve kc2 =
new KochCurve(depth + 1, MaxDepth, Length / 3, upperPointX, upperPointY, angle - Math.PI / 3);
kc1.Render(target);
kc2.Render(target);
// Lines on the left and right side.
KochCurve kc3 =
new KochCurve(depth + 1, MaxDepth, Length / 3, X, Y, angle);
KochCurve kc4 =
new KochCurve(depth + 1, MaxDepth, Length / 3, X + dx * 2 / 3, Y + dy * 2 / 3, angle);
kc3.Render(target);
kc4.Render(target);
}
else
{
// Draw line on the last recursion level.
target.DrawLine(pen, X, Y, X + dx, Y + dy);
}
}
public void Drawing()
{
switch (fractalSelection.SelectedItem)
{
case "Дерево Пифагора":
pythagoreanTree = new PythagoreanTree((int)recursionDepth.Value, (flowLayoutPanel1.Width - 20) * trackBarZoom.Value,
(flowLayoutPanel1.Height - 20) * trackBarZoom.Value,
(int)segmentLength.Value * trackBarZoom.Value, (int)angleFirst.Value, (int)angleSecond.Value);
pictureBox.Image = pythagoreanTree.Map;
break;
case "Кривая Коха":
kochCurve = new KochCurve((int)recursionDepth.Value, (flowLayoutPanel1.Width - 20) * trackBarZoom.Value,
(flowLayoutPanel1.Height - 20) * trackBarZoom.Value);
pictureBox.Image = kochCurve.Map;
break;
case "Ковёр Серпинского":
carpet = new SierpinskiCarpet((int)recursionDepth.Value, (flowLayoutPanel1.Width - 20) * trackBarZoom.Value,
(flowLayoutPanel1.Height - 20) * trackBarZoom.Value);
pictureBox.Image = carpet.Map;
break;
case "Треугольник Серпинского":
triangle = new SierpinskiTriangle((int)recursionDepth.Value, (flowLayoutPanel1.Width - 20) * trackBarZoom.Value,
(flowLayoutPanel1.Height - 20) * trackBarZoom.Value);
pictureBox.Image = triangle.Map;
break;
case "Множество Кантора":
cantorSet = new CantorSet((int)recursionDepth.Value, (flowLayoutPanel1.Width - 20) * trackBarZoom.Value,
(flowLayoutPanel1.Height - 20) * trackBarZoom.Value, (int)segmentLength.Value * trackBarZoom.Value);
pictureBox.Image = cantorSet.Map;
break;
}
}