private void ClickAtLine(Vector3 midPoint)
{
//Get two faces' indices of the selected line.
List <int> faceIndices = meshGenerator.GetFaceIndicesOfLine(midPoint);
int indexA = faceIndices[0];
int indexB = faceIndices[1];
//Delete the lines in the two faces. Then check if one of these faces has only one line left, if so, it needs to unfold.
unfoldA = DeleteAndCheckLinesInFace(indexA, midPoint);
unfoldB = DeleteAndCheckLinesInFace(indexB, midPoint);
unfolding = unfoldA || unfoldB;
Debug.Log(unfolding);
PreviousUnfoldingA.Add(unfoldA);
PreviousUnfoldingB.Add(unfoldB);
if (unfoldA)
{
Vector3 rmStartingPoint = meshGenerator.model.faces[indexA].lineStartingPoint[0];
Vector3 rmEndingPoint = meshGenerator.model.faces[indexA].lineEndingPoint[0];
Vector3 rmMidPoint = meshGenerator.model.faces[indexA].linesMidpoints[0];
DeleteLastLine(rmStartingPoint, rmEndingPoint);
meshGenerator.AddDashedLineIndex(indexA);
if (GameObject.FindGameObjectWithTag("Line") == null)
{
WaitingLinesStartingPoint.Clear();
WaitingLinesEndingPoint.Clear();
return;
}
int TargetIndexofA = meshGenerator.GetTheOtherFaceIndex(rmMidPoint, indexA);
Vector3 currentNormalofA = meshGenerator.GetNormalofFace(indexA);
Vector3 TargetNormalofA = meshGenerator.GetNormalofFace(TargetIndexofA);
int NumOfConnectedFaces = meshGenerator.model.faces[indexA].ConnectedFaces.ToArray().Length;
for (int i = -1; i < NumOfConnectedFaces; i++)
{
int currentIndex;
if (i == -1)
{
currentIndex = indexA;
meshGenerator.model.faces[TargetIndexofA].Neighbors.Add(currentIndex);
meshGenerator.model.faces[currentIndex].Neighbors.Add(TargetIndexofA);
}
else
{
currentIndex = meshGenerator.model.faces[indexA].ConnectedFaces[i];
}
meshGenerator.model.faces[TargetIndexofA].ConnectedFaces.Add(currentIndex);
}
PreviousStartingNormalA.Add(currentNormalofA);
StartUnfolding(indexA, currentNormalofA, TargetNormalofA, rmStartingPoint, rmEndingPoint);
}
if (unfoldB)
{
Vector3 rmStartingPoint = meshGenerator.model.faces[indexB].lineStartingPoint[0];
Vector3 rmEndingPoint = meshGenerator.model.faces[indexB].lineEndingPoint[0];
Vector3 rmMidPoint = meshGenerator.model.faces[indexB].linesMidpoints[0];
DeleteLastLine(rmStartingPoint, rmEndingPoint);
meshGenerator.AddDashedLineIndex(indexB);
if (GameObject.FindGameObjectWithTag("Line") == null)
{
WaitingLinesStartingPoint.Clear();
WaitingLinesEndingPoint.Clear();
return;
}
int TargetIndexofB = meshGenerator.GetTheOtherFaceIndex(rmMidPoint, indexB);
Vector3 currentNormalofB = meshGenerator.GetNormalofFace(indexB);
Vector3 TargetNormalofB = meshGenerator.GetNormalofFace(TargetIndexofB);
int NumOfConnectedFaces = meshGenerator.model.faces[indexB].ConnectedFaces.ToArray().Length;
for (int i = -1; i < NumOfConnectedFaces; i++)
{
int currentIndex;
if (i == -1)
{
currentIndex = indexB;
meshGenerator.model.faces[TargetIndexofB].Neighbors.Add(currentIndex);
meshGenerator.model.faces[currentIndex].Neighbors.Add(TargetIndexofB);
}
else
{
currentIndex = meshGenerator.model.faces[indexB].ConnectedFaces[i];
}
meshGenerator.model.faces[TargetIndexofB].ConnectedFaces.Add(currentIndex);
}
PreviousStartingNormalB.Add(currentNormalofB);
StartUnfolding(indexB, currentNormalofB, TargetNormalofB, rmStartingPoint, rmEndingPoint);
}
}