public void setClockWise(LDPointList form, ClockWise cw)
{
for (int i = 0; i < size(); i++)
{
this[i].setClockWise(form, cw);
}
}
void normalMovement()
{
if (IsDou)
{
if (ClockWise.IsMouseDown())
{
counter -= Time.deltaTime * movementSpeed;
}
if (AntiClockWise.IsMouseDown())
{
counter += Time.deltaTime * movementSpeed;
}
}
else
{
if (ClockWise.IsMouseDown())
{
counter += Time.deltaTime * movementSpeed;
}
if (AntiClockWise.IsMouseDown())
{
counter -= Time.deltaTime * movementSpeed;
}
}
}
private void Backtrack()
{
// We want to go back to the last connected pixel we were in.
// There can be 2 cases where a new hole pixel was found in:
// straight - we will want to go counter clock 2 (+1 of the already advanced _direction) = -3 = +5
// diagonal - we will want to go counter clock 3 (+1 of the already advanced _direction) = -4 = +4
if ((int)_direction % 2 == 1)
{
// straight - _direction index will be in 1,3,5 or 7
_direction = (ClockWise)((int)(_direction + BACKTRACK_STRAIGHT) % 8);
}
else
{
// diagonal - _direction index will be in 2,4,6 or 0
_direction = (ClockWise)((int)(_direction + BACKTRACK_DIAGONAL) % 8);
}
}
private ClockWise _direction; // index to keep where are we in the clock-wise clock
// 0 - w, 1 - nw, 2 - n, 3 - ne, 4 - e, 5 - se, 6 - s, 7 - sw
private Pixel GetClockWisePixel(Pixel input, ImageMatrix img)
{
int newX, newY;
do
{
var x_offset = _directionOffset[(int)_direction, 0];
var y_offset = _directionOffset[(int)_direction, 1];
_direction = (ClockWise)((int)(_direction + 1) % 8);
newX = input.X + x_offset;
newY = input.Y + y_offset;
}
// if edge pixels, move to next clockwise
while (newX < 0 || newX >= img.LenX || newY < 0 || newY >= img.LenY);
return(img.GetArrayElement(newX, newY));
}
public void setClockWise(LDPointList form, ClockWise clockWise)
{
Debug.Assert(form.length() > m_index1);
Debug.Assert(form.length() > m_index2);
Debug.Assert(form.length() > m_index3);
LDPoint v0 = form.at(m_index1);
LDPoint v1 = form.at(m_index2);
LDPoint v2 = form.at(m_index3);
//行列式で時計回りか判定
//行列式の計算。 QMatrix3x3にはないので手動で作成。
double[,] m = new double[3, 3] {
{ v0.x(), v0.y(), 1 },
{ v1.x(), v1.y(), 1 },
{ v2.x(), v2.y(), 1 }
};
double determinant = m[0, 0] * m[1, 1] * m[2, 2]
+ m[0, 1] * m[1, 2] * m[2, 0]
+ m[0, 2] * m[1, 0] * m[2, 1]
- m[0, 2] * m[1, 1] * m[2, 0]
- m[0, 0] * m[1, 2] * m[2, 1]
- m[0, 1] * m[1, 0] * m[2, 2];
ClockWise current;
if (determinant < 0) //CW
{
current = ClockWise.CW;
}
else //CCWまたは3点が一直線上など
{
current = ClockWise.CCW;
}
if (clockWise != current) //設定した順番と異なる場合 Indexを入れ替える
{
var p = m_index1;
m_index1 = m_index2;
m_index2 = p;
}
}
public void setClockWise(LDPointList form, ClockWise clockWise)
{
Debug.Assert(form.length() > m_index1);
Debug.Assert(form.length() > m_index2);
Debug.Assert(form.length() > m_index3);
LDPoint v0 = form.at(m_index1);
LDPoint v1 = form.at(m_index2);
LDPoint v2 = form.at(m_index3);
//行列式で時計回りか判定
//行列式の計算。 QMatrix3x3にはないので手動で作成。
double[,] m = new double[3, 3]{{ v0.x(),v0.y(),1 },
{ v1.x(),v1.y(),1 },
{ v2.x(),v2.y(),1 }};
double determinant = m[0, 0] * m[1, 1] * m[2, 2]
+ m[0, 1] * m[1, 2] * m[2, 0]
+ m[0, 2] * m[1, 0] * m[2, 1]
- m[0, 2] * m[1, 1] * m[2, 0]
- m[0, 0] * m[1, 2] * m[2, 1]
- m[0, 1] * m[1, 0] * m[2, 2];
ClockWise current;
if (determinant < 0) //CW
{
current = ClockWise.CW;
}
else //CCWまたは3点が一直線上など
{
current = ClockWise.CCW;
}
if (clockWise != current) //設定した順番と異なる場合 Indexを入れ替える
{
var p = m_index1;
m_index1 = m_index2;
m_index2 = p;
}
}
