void ProcessRec(PuzzleItem ccitem)
{
foreach (var item in ccitem.Connected)
{
item.Ang = ccitem.Ang;
var relativex = (item.Position.X - ccitem.Position.X) * ww;
var relativey = (item.Position.Y - ccitem.Position.Y) * ww;
Matrix mtr = new Matrix();
mtr.Rotate(ccitem.Ang);
PointF[] pp = new PointF[] { new PointF(relativex, relativey),
new PointF(item.CenterShift.X, item.CenterShift.Y),
new PointF(item.TopLeftShift.X, item.TopLeftShift.Y),
new PointF(ccitem.CenterShift.X, ccitem.CenterShift.Y),
new PointF(ccitem.TopLeftShift.X, ccitem.TopLeftShift.Y), };
mtr.TransformPoints(pp);
var tlx1 = ccitem.X - pp[3].X - pp[4].X;
var tly1 = ccitem.Y - pp[3].Y - pp[4].Y;
var targetx1 = tlx1 + pp[0].X;
var targety1 = tly1 + pp[0].Y;
item.X = targetx1 + pp[1].X + pp[2].X;
item.Y = targety1 + pp[1].Y + pp[2].Y;
ProcessRec(item);
}
}
List <PuzzleItem> GetAllChilds(PuzzleItem p, List <PuzzleItem> list = null)
{
if (list == null)
{
list = new List <PuzzleItem>();
}
list.Add(p);
foreach (var pp in p.Connected)
{
GetAllChilds(pp, list);
}
return(list);
}
internal void Attach(PuzzleItem puzzleItem)
{
Connected.Add(puzzleItem);
puzzleItem.Parent = this;
}
private void PictureBox1_MouseDown(object sender, MouseEventArgs e)
{
var pos = pictureBox1.PointToClient(Cursor.Position);
if (e.Button == MouseButtons.Right)
{
drag2 = true;
startposx = scrollx;
startposy = scrolly;
startdx = pos.X;
startdy = pos.Y;
}
if (e.Button == MouseButtons.Left)
{
selected = null;
if (hovered != null)
{
Matrix mtr = new Matrix();
var item = hovered;
mtr.Translate(item.X, item.Y);
mtr.Translate(-item.Bmp.Width / 2, -item.Bmp.Height / 2);
mtr.Translate(item.Bmp.Width / 2, item.Bmp.Height / 2);
mtr.Rotate(item.Ang);
mtr.Translate(-item.Bmp.Width / 2, -item.Bmp.Height / 2);
mtr.Invert();
PointF[] pnts = new PointF[] { new PointF(pos.X - scrollx, pos.Y - scrolly) };
mtr.TransformPoints(pnts);
var pos0 = pnts[0];
var d = Math.Sqrt(Math.Pow(pos0.X - item.Bmp.Width / 2, 2) + Math.Pow(pos0.Y - item.Bmp.Height / 2, 2));
var temp = hovered;
selected = temp;
propertyGrid2.SelectedObject = selected;
while (temp.Parent != null)
{
temp = temp.Parent;
}
foreach (var item0 in Items)
{
item0.Z++;
}
dragItem = temp;
dragItem.Z = 0;
var l = GetAllChilds(dragItem);
foreach (var uitem in l)
{
uitem.Z = 0;
}
Items = Items.OrderByDescending(z => z.Z).ToList();
startdx = pos.X;
startdy = pos.Y;
startposx = dragItem.X;
startposy = dragItem.Y;
if (d < item.Bmp.Width / 2)
{
drag = true;
}
else
{
startang = dragItem.Ang;
drag3 = true;
}
}
}
}
private void Timer1_Tick(object sender, EventArgs e)
{
var pos1 = pictureBox1.PointToClient(Cursor.Position);
var pos = new PointF(pos1.X, pos1.Y);
/*pos.X -= scrollx;
* pos.Y -= scrolly;*/
if (drag)
{
var dx = pos.X - startdx;
var dy = pos.Y - startdy;
dragItem.X = startposx + dx;
dragItem.Y = startposy + dy;
RecalcTree();
}
if (drag3)
{
//get sub of angs
//var dx =( pos.X-scrollx) - startdx;
//var dy = (pos.Y-scrolly) - startdy;
var tx1 = (startdx - scrollx) - startposx;
var ty1 = (startdy - scrolly) - startposy;
var len1 = (float)Math.Sqrt(Math.Pow(tx1, 2) + Math.Pow(ty1, 2));
tx1 /= len1;
ty1 /= len1;
var atan1 = Math.Atan2(ty1, tx1);
var tx2 = (pos.X - scrollx) - startposx;
var ty2 = (pos.Y - scrolly) - startposy;
var len2 = (float)Math.Sqrt(Math.Pow(tx2, 2) + Math.Pow(ty2, 2));
tx2 /= len2;
ty2 /= len2;
var atan2 = Math.Atan2(ty2, tx2);
var diff = MinRotAng((float)(atan2 * 180f / Math.PI), (float)(atan1 * 180f / Math.PI));
//var da = dx;
dragItem.Ang = startang + diff;
dragItem.Ang %= 360;
if (dragItem.Ang < 0)
{
dragItem.Ang += 360;
}
RecalcTree();
}
if (drag2)
{
var dx = pos.X - startdx;
var dy = pos.Y - startdy;
scrollx = startposx + dx;
scrolly = startposy + dy;
}
hovered = null;
rotateCursor = false;
foreach (var item in Items)
{
Matrix mtr = new Matrix();
mtr.Translate(item.X, item.Y);
mtr.Translate(-item.Bmp.Width / 2, -item.Bmp.Height / 2);
mtr.Translate(item.Bmp.Width / 2, item.Bmp.Height / 2);
mtr.Rotate(item.Ang);
mtr.Translate(-item.Bmp.Width / 2, -item.Bmp.Height / 2);
mtr.Invert();
PointF[] pnts = new PointF[] { new PointF(pos.X - scrollx, pos.Y - scrolly) };
mtr.TransformPoints(pnts);
var pos0 = pnts[0];
if (pos0.X > 0 && pos0.Y > 0 && pos0.X < item.Bmp.Width && pos0.Y < item.Bmp.Height)
{
hovered = item;
var d = Math.Sqrt(Math.Pow(pos0.X - item.Bmp.Width / 2, 2) + Math.Pow(pos0.Y - item.Bmp.Height / 2, 2));
if (d >= item.Bmp.Width / 2)
{
rotateCursor = true;
}
}
}
if (loaded)
{
for (int zi = 0; zi < array.GetLength(0); zi++)
{
for (int zj = 0; zj < array.GetLength(1); zj++)
{
var item = array[zi, zj];
for (int i = 0; i <= 1; i++)
{
for (int j = 0; j <= 1; j++)
{
var x1 = zi + i;
var y1 = zj + j;
if ((Math.Abs(i) + Math.Abs(j)) != 1)
{
continue;
}
if (x1 < 0 || y1 < 0 || x1 >= array.GetLength(0) || y1 >= array.GetLength(1))
{
continue;
}
var dang = MinRotAng(array[x1, y1].Ang, item.Ang);
var d = Math.Sqrt(Math.Pow(array[x1, y1].X - item.X, 2) + Math.Pow(array[x1, y1].Y - item.Y, 2));
if (Math.Abs(dang) < 10 && d < 1.5 * ww)
{
//get connected component tree from any
PuzzleItem top1 = item;
while (top1.Parent != null)
{
top1 = top1.Parent;
}
PuzzleItem top2 = array[x1, y1];
while (top2.Parent != null)
{
top2 = top2.Parent;
}
//check if intersected
if (top1 != top2)
{
top1.Attach(top2);
}
}
}
}
}
}
}
gr.Clear(Color.Black);
gr.TranslateTransform(scrollx, scrolly);
gr.ScaleTransform(zoom, zoom);
foreach (var item in Items)
{
var tr = gr.Transform;
gr.TranslateTransform(item.X, item.Y);
gr.TranslateTransform(-item.Bmp.Width / 2, -item.Bmp.Height / 2);
gr.TranslateTransform(item.Bmp.Width / 2, item.Bmp.Height / 2);
gr.RotateTransform(item.Ang);
gr.TranslateTransform(-item.Bmp.Width / 2, -item.Bmp.Height / 2);
gr.DrawImage(item.Bmp, 0, 0);
//gr.DrawRectangle(new Pen(Color.Violet, 2), -item.TopLeftShift.X, -item.TopLeftShift.Y, 5, 5);
//gr.DrawRectangle(new Pen(Color.Red, 2), item.CenterShift.X - 2, item.CenterShift.Y - 2, 4, 4);
if (item == hovered)
{
gr.DrawRectangle(new Pen(Color.Yellow, 2), 0, 0, item.Bmp.Width, item.Bmp.Height);
}
else
{
if (selected == item)
{
//gr.DrawRectangle(new Pen(Color.Blue, 2), 0, 0, item.Bmp.Width, item.Bmp.Height);
}
else
{
//gr.DrawRectangle(Pens.Red, 0, 0, item.Bmp.Width, item.Bmp.Height);
}
}
gr.Transform = tr;
}
gr.ResetTransform();
if (drag3 || (rotateCursor && hovered != null))
{
gr.DrawString("rotate", new Font("Arial", 8), Brushes.White, pos.X + 10, pos.Y);
//gr.FillEllipse(Brushes.LightBlue, pos.X, pos.Y, 20, 20);
}
gr.ResetTransform();
gr.DrawString((pos.X - scrollx) + "; " + (pos.Y - scrolly), new Font("Arial", 10), Brushes.White, 5, 5);
pictureBox1.Image = bmp;
}