private void splitBtn_Click(object sender, EventArgs e)
{
//var points = ToDoubleList(Points);
//var holes = new List<int>();
//var indices = Earcut.Tessellate(points, holes);
//Drawing.Clear();
//for (int i = 0; i < indices.Count; i += 3)
//{
// Point a = Points[indices[i]];
// Point b = Points[indices[i + 1]];
// Point c = Points[indices[i + 2]];
// Drawing.LineBresenham(a, b, Color.Black);
// Drawing.LineBresenham(b, c, Color.Black);
// Drawing.LineBresenham(c, a, Color.Black);
//}
//drawBox.Image = Drawing.Canvas;
var points = Points.Select <Point, PointF>(i => i).ToList();
if (Triangulate.Process(points, out List <Point> result))
{
int count = result.Count / 3;
Drawing.Clear();
for (int i = 0; i < count; i++)
{
var p1 = result[i * 3 + 0];
var p2 = result[i * 3 + 1];
var p3 = result[i * 3 + 2];
Drawing.LineBresenham(p1, p2, Color.Black);
Drawing.LineBresenham(p2, p3, Color.Black);
Drawing.LineBresenham(p3, p1, Color.Black);
}
drawBox.Image = Drawing.Canvas;
}
}
private void Form1_KeyDown(object sender, KeyEventArgs e)
{
int centY = Center.Y;
int centX = Center.X;
int angle = 0, distance = 0;
if (e.KeyCode == Keys.Q)
{
angle = 360;
distance = -1;
}
else if (e.KeyCode == Keys.E)
{
angle = 361;
distance = 1;
}
else
{
return;
}
if ((X.Count >= 3) && (Y.Count >= 3))
{
Drawing.LineBresenham(
new Point(X[X.Count - 1], Y[Y.Count - 1]),
new Point(X[0], Y[0]), Color.Black);
while (true)
{
for (int i = 0; i < X.Count; i++)
{
X_[i] = (int)(centX + ((X[i] - centX) * Math.Cos(angle * Math.PI / 180) - (Y[i] - centY) * Math.Sin(angle * Math.PI / 180)));
Y_[i] = (int)(centY + ((X[i] - centX) * Math.Sin(angle * Math.PI / 180) + (Y[i] - centY) * Math.Cos(angle * Math.PI / 180)));
}
for (int i = 0; i < X.Count - 1; i++)
{
Drawing.LineBresenham(
new Point(X_[i], Y_[i]),
new Point(X_[i + 1], Y_[i + 1]), Color.Black);
}
Drawing.LineBresenham(
new Point(X_[X_.Count - 1], Y_[Y_.Count - 1]),
new Point(X_[0], Y_[0]), Color.Black);
angle += distance;
label1.Text = $"Degrees: {angle}";
Thread.Sleep(50);
drawBox.Refresh();
if (angle % 360 == 0)
{
return;
}
else
{
drawBox.Image = Drawing.Clear();
}
}
}
}
void ClearButtonClick(object sender, EventArgs e)
{
drawBox.Image = BobRoss.Clear();
}