/// <summary>
/// 执行命令
/// </summary>
/// <param name="p_parameter"></param>
protected override void DoExecute(object p_parameter)
{
LineMoveCmdArgs args = p_parameter as LineMoveCmdArgs;
SLine line = args.Line;
if (args.NewNode == null)
{
line.UpdateAnThumbPos(args.IsHeadNode);
_owner.SelectionClerk.SelectLine(line);
_owner.DeleteSelection();
}
else
{
if (args.IsHeadNode)
{
line.HeaderID = args.NewNode.ID;
line.HeaderPort = args.NewPos;
}
else
{
line.TailID = args.NewNode.ID;
line.TailPort = args.NewPos;
}
}
}
void OnLinkDragCompleted(object sender, DragCompletedEventArgs e)
{
SNode curNode = _owner.SelectionClerk.Selection[0] as SNode;
LinkPortPosition startPos = CaclStart(curNode);
Rect thumbRect = new Rect(Canvas.GetLeft(_thumb), Canvas.GetTop(_thumb), _thumb.ActualWidth, _thumb.ActualHeight);
if (_owner.IsValidRegion(thumbRect))
{
SNode tagNode = _owner.GetFirstIntersect(thumbRect);
if (tagNode != null)
{
//是否存在连接
bool isHas = (from obj in _owner.Container.Children
let line = obj as SLine
where line != null && line.HeaderID == curNode.ID && line.TailID == tagNode.ID
select line).Any();
if (!isHas)
{
SLine line = new SLine(_owner);
line.HeaderID = curNode.ID;
line.HeaderPort = startPos;
line.TailID = tagNode.ID;
line.TailPort = _owner.GetLinkPosition(tagNode, thumbRect);
_owner.Insert(line);
_owner.SelectionClerk.SelectLine(line);
_owner.RefreshLinkLines(tagNode);
}
}
}
//还原默认位置
Canvas.SetLeft(_thumb, _thumbX);
Canvas.SetTop(_thumb, _thumbY);
_line.Visibility = Visibility.Collapsed;
_owner.LinkThumbEnd();
}
/// <summary>
/// 无指向的线（将被删除）的线移动参数构造函数
/// </summary>
/// <param name="p_line"></param>
/// <param name="p_isHeadNode"></param>
/// <param name="p_oldNode"></param>
/// <param name="p_oldPos"></param>
public LineMoveCmdArgs(SLine p_line, bool p_isHeadNode, SNode p_oldNode, LinkPortPosition p_oldPos)
{
_line = p_line;
_isHeadNode = p_isHeadNode;
_oldNode = p_oldNode;
_oldPos = p_oldPos;
}
/// <summary>
/// 清空连线的选择状态
/// </summary>
void ClearLine()
{
if (_selLine != null)
{
_selLine.ThumbVisibility = Visibility.Collapsed;
}
_selLine = null;
}
public static SPoint SymmetryPoint(SPoint Point_, SLine Line_)
{
SPoint PointVector = Point_.Sub(Line_.Point0);
var NewTheta = (Mathf.Atan2(PointVector.Y, PointVector.X) - 2.0f * ThetaOfTwoVectors(PointVector, Line_.Point1.Sub(Line_.Point0)));
var Radius = Mathf.Sqrt(PointVector.X * PointVector.X + PointVector.Y * PointVector.Y);
return(new SPoint(Mathf.Cos(NewTheta) * Radius, Mathf.Sin(NewTheta) * Radius).Add(Line_.Point0));
}
/// <summary>
/// 选择连线
/// </summary>
/// <param name="p_line"></param>
public void SelectLine(SLine p_line)
{
ClearNode();
ClearLine();
_selLine = p_line;
if (_selLine != null)
{
_selLine.ThumbVisibility = Visibility.Visible;
}
_owner.OnSelectionChanged();
BringToFront(p_line);
}
/// <summary>
/// 执行撤消
/// </summary>
/// <param name="p_parameter"></param>
protected override void DoUndo(object p_parameter)
{
LineMoveCmdArgs args = p_parameter as LineMoveCmdArgs;
SLine line = args.Line;
if (args.NewNode == null)
{
_owner.His.Undo();
}
else
{
if (args.IsHeadNode)
{
line.HeaderID = args.OldNode.ID;
line.HeaderPort = args.OldPos;
}
else
{
line.TailID = args.OldNode.ID;
line.TailPort = args.OldPos;
}
}
}
static void Main(string[] args)
{
const int size = 42;
var cline = new CLine(size);
var sline = new SLine(size);
PrintSize(cline, sline);
const int newsize = 17;
cline.Resize(newsize);
sline.Resize(newsize);
PrintSize(cline, sline);
var isline = (IShape)sline;
var icline = (IShape)cline;
PrintSize(icline, isline);
PrintSize(cline, sline);
const int newnewsize = 7;
icline.Resize(newnewsize);
isline.Resize(newnewsize);
// !
PrintSize(icline, isline);
PrintSize(cline, sline);
var newicline = icline.ResizeImutable(newnewsize);
var newisline = isline.ResizeImutable(newnewsize);
PrintSize(newicline, newisline);
Console.ReadLine();
}
static void Main(String[] args)
{
var Begin = new SPoint(0, 0);
var End = new SPoint(10, 5);
while (!CPhysics.MoveTowards(Begin, End, 0.5f))
{
Console.WriteLine(Begin.X + " " + Begin.Y);
}
Console.WriteLine(Begin.X + " " + Begin.Y);
return;
var MyCenter = new SPoint(0.7059453529691696f, 0.95074967547869216f);
var TargetCenter = new SPoint(0.69332838119407825f, 0.78701901149100739f);
var Vel0 = new SPoint(0.19000000000000197f, -0.38262210845947314f);
var Theta0 = Math.Atan2(Vel0.Y, Vel0.X);
// My Scalar
var Scalar = Vel0.GetScalar();
// Get Me To Target Vector
var LinkVector = TargetCenter.GetSub(MyCenter);
// 나의 속도벡터를 나와 대상을 연결한 직선과 나란한 성분A와 A와 수직이 B를 구하고
// A, B의 X,Y 성분을 구하고, B-A 를 구하면 이것이 BalloonFight 의 충돌후의 내 Vector
var LinkTheta = CBase.ThetaOfTwoVectors(LinkVector, Vel0);
var ScalarA = Mathf.Abs(Mathf.Cos(LinkTheta) * Scalar);
var ThetaA = Mathf.Atan2(LinkVector.Y, LinkVector.X);
var VecA = new SPoint(Mathf.Cos(ThetaA) * ScalarA, Mathf.Sin(ThetaA) * ScalarA);
var ScalarB = Mathf.Abs(Mathf.Sin(LinkTheta) * Scalar);
var ThetaB = ThetaA - (Mathf.PI * 0.5f);
var VecB = new SPoint(Mathf.Cos(ThetaB) * ScalarB, Mathf.Sin(ThetaB) * ScalarB);
var BouncedVec = VecB.GetSub(VecA);
Console.WriteLine(VecA.X + " " + VecA.Y);
Console.WriteLine(VecB.X + " " + VecB.Y);
Console.WriteLine(BouncedVec.X + " " + BouncedVec.Y);
return;
if (CPhysics.IsOverlappedRectRect(new SRect(0.0f, 1.0f, 0.0f, 1.0f), new SRect(1.0f, 3.0f, 0.0f, 1.0f)))
{
Console.WriteLine("true");
}
else
{
Console.WriteLine("false");
}
return;
var CollisionInfo = new SCollisionInfo();
if (CPhysics.IsCollidedRectRect2(new SRect(0.0f, 2.0f, 0.0f, 1.0f), new SRect(1.0f, 3.0f, 0.0f, 1.0f), new SPoint(1.0f, 0.0f), new SPoint(0.0f, 0.0f), CollisionInfo))
{
Console.WriteLine("true" + CollisionInfo.Time);
}
else
{
Console.WriteLine("false" + CollisionInfo.Time);
}
SPoint p = new SPoint(0.00000001f, 0.0f);
SLine l = new SLine(new SPoint(0.0f, 1.0f), new SPoint(2.0f, 1.0f));
var o = CBase.SymmetryPoint(p, l);
Console.WriteLine(o.X + " " + o.Y);
}
/// <summary>
/// 加载xml字符串
/// </summary>
/// <param name="p_xml"></param>
public void ReadXml(string p_xml)
{
_his?.Clear();
_container.Children.Clear();
_selectionClerk.Clear();
if (string.IsNullOrEmpty(p_xml))
{
return;
}
using (StringReader stream = new StringReader(p_xml))
using (XmlReader reader = XmlReader.Create(stream, new XmlReaderSettings()
{
IgnoreWhitespace = true, IgnoreComments = true, IgnoreProcessingInstructions = true
}))
{
reader.Read();
Rect totalRect = new Rect();
bool isFirst = true;
reader.Read();
while (reader.NodeType != XmlNodeType.None)
{
if (reader.NodeType == XmlNodeType.EndElement && reader.Name == "Sketch")
{
break;
}
Rect rc = new Rect();
string name = reader.Name;
if (name == "Node")
{
SNode node = new SNode(this);
_container.Children.Add(node);
node.ReadXml(reader);
rc = new Rect(Canvas.GetLeft(node), Canvas.GetTop(node), node.Width, node.Height);
}
else if (name == "Line")
{
SLine line = new SLine(this);
_container.Children.Add(line);
line.ReadXml(reader);
rc = line.Bounds;
}
else if (name == "Txt")
{
TextBlock tb = new TextBlock();
_container.Children.Add(tb);
for (int i = 0; i < reader.AttributeCount; i++)
{
reader.MoveToAttribute(i);
switch (reader.Name)
{
case "text": tb.Text = reader.Value; break;
case "fontsize": tb.FontSize = double.Parse(reader.Value); break;
// uwp和手机系统weight的操作方式不同
#if UWP
case "fontweight": tb.FontWeight = new FontWeight()
{
Weight = ushort.Parse(reader.Value)
}; break;
#else
case "fontweight": tb.FontWeight = new FontWeight(ushort.Parse(reader.Value)); break;
#endif
case "foreground": tb.Foreground = new SolidColorBrush(Res.HexStringToColor(reader.Value)); break;
case "fontstyle": tb.FontStyle = (FontStyle)int.Parse(reader.Value); break;
case "fontfamily": tb.FontFamily = new FontFamily(reader.Value); break;
case "left": Canvas.SetLeft(tb, double.Parse(reader.Value)); break;
case "top": Canvas.SetTop(tb, double.Parse(reader.Value)); break;
case "width": tb.Width = double.Parse(reader.Value); break;
case "height": tb.Height = double.Parse(reader.Value); break;
}
}
rc = new Rect(Canvas.GetLeft(tb), Canvas.GetTop(tb), tb.Width, tb.Height);
}
if (isFirst)
{
totalRect = rc;
isFirst = false;
}
else
{
totalRect = Union(totalRect, rc);
}
reader.Read();
}
if (IsReadOnly)
{
ResizeReadOnlyPage(totalRect);
}
else
{
ResizeEditPage(totalRect);
}
}
RefreshAllLines();
}
public static void Process(SLine isoLine) => Messenger.Default.Send(new SLineMessage()
{
Value = isoLine.Value
});
public void Set(SLine Obj_)
{
Point0.Set(Obj_.Point0);
Point1.Set(Obj_.Point1);
}
public SLine(SLine Obj_)
{
Point0 = Obj_.Point0;
Point1 = Obj_.Point1;
}
