private void canvas_MouseUp(object sender, MouseEventArgs e)
{
if (cameraCapture == CameraCaptureState.None)
{
if (!wasFirstClick)
{
if (cube.FindSideByPoint(e.Location, canvas.Scene,
Matrix.Identity, out firstCoords, out firstSide))
{
wasFirstClick = true;
Vector3 cubePosition = CoordsHelper.GetPositionFromCoords(
firstCoords, cube.Size);
// move cursor by half size of small cube
cubePosition += CoordsHelper.GetNormalFromSide(firstSide) / cube.Size;
cubePosition = Vector3.Transform(cubePosition, ref cube.World);
rotationCursor.Position = cubePosition;
cursorVisible = true;
}
}
else
{
CubeCoords secondCoords;
CubeSide secondSide;
if (cube.FindSideByPoint(e.Location, canvas.Scene,
Matrix.Identity, out secondCoords, out secondSide))
{
Rotation rotation = cube.CreateRotationFromSides(
firstCoords, firstSide, secondCoords, secondSide);
if (rotation != null)
{
rotationsToApply.Enqueue(rotation);
}
wasFirstClick = false;
cursorVisible = false;
}
}
}
cameraCapture = CameraCaptureState.None;
this.Cursor = Cursors.Default;
}
private void CopyToClipboard()
{
StringBuilder result = new StringBuilder();
var dataCube = cube.GetCurrentState();
for (var side = CubeSide.Left; side <= CubeSide.Back; side++)
{
result.Append('(');
foreach (var coords in CoordsHelper.EnumerateSide(side, cube.Size))
{
result.Append(dataCube[coords][side]);
}
result.Append(')');
}
Clipboard.SetText(result.ToString());
}
private bool PasteFromClipboard()
{
string text = Clipboard.GetText();
if (text.Length == 0)
{
return(false);
}
var dataCube = RubiksCube.GetDefaultCube(cube.Size);
// cune has 6 sides
int[][] sides = new int[6][];
int index = 0;
for (int i = 0; i < sides.Length; i++)
{
int openBracket = text.IndexOf('(', index);
if (openBracket == -1)
{
return(false);
}
int closeBracket = text.IndexOf(')', openBracket + 1);
if (closeBracket == -1)
{
return(false);
}
index = closeBracket + 1;
string colors = text.Substring(
openBracket + 1, closeBracket - openBracket - 1);
colors = new string(colors.ToCharArray()
.Where(ch => char.IsDigit(ch)).ToArray());
// cube side has 3x3 elements
if (colors.Length != cube.Size * cube.Size)
{
return(false);
}
sides[i] = new int[colors.Length];
for (int j = 0; j < colors.Length; j++)
{
char digit = colors[j];
if (digit < '1' || digit > '6')
{
return(false);
}
sides[i][j] = (int)(digit - '0');
}
}
// check that remainder part of text is whitespace chars
for (; index < text.Length; index++)
{
if (!char.IsWhiteSpace(text[index]))
{
return(false);
}
}
for (int i = 0; i < sides.Length; i++)
{
var side = (CubeSide)i;
int j = 0;
foreach (var coords in CoordsHelper.EnumerateSide(side, cube.Size))
{
dataCube[coords][side] = sides[i][j];
j++;
}
}
cube.ReplaceCube(dataCube);
return(true);
}
