//---------------------------------PRIVATES-------------------------------------//
/**
* Sets an end as vertex (starting point if none end were defined, ending point otherwise)
*
* @param vertex the vertex that is an segment end
* @return false if all the ends were already defined, true otherwise
*/
private bool setVertex(Vertex vertex)
{
//none end were defined - define starting point as VERTEX
if (index == 0)
{
startVertex = vertex;
startType = VERTEX;
startDist = line.computePointToPointDistance(vertex.getPosition());
startPos = startVertex.getPosition();
index++;
return(true);
}
//starting point were defined - define ending point as VERTEX
if (index == 1)
{
endVertex = vertex;
endType = VERTEX;
endDist = line.computePointToPointDistance(vertex.getPosition());
endPos = endVertex.getPosition();
index++;
//defining middle based on the starting point
//VERTEX-VERTEX-VERTEX
if (startVertex.equals(endVertex))
{
middleType = VERTEX;
}
//VERTEX-EDGE-VERTEX
else if (startType == VERTEX)
{
middleType = EDGE;
}
//the ending point distance should be smaller than starting point distance
if (startDist > endDist)
{
swapEnds();
}
return(true);
}
else
{
return(false);
}
}
/**
* Sets an end as edge (starting point if none end were defined, ending point otherwise)
*
* @param vertex1 one of the vertices of the intercepted edge
* @param vertex2 one of the vertices of the intercepted edge
* @return false if all ends were already defined, true otherwise
*/
private bool setEdge(Vertex vertex1, Vertex vertex2)
{
Point3d point1 = vertex1.getPosition();
Point3d point2 = vertex2.getPosition();
Vector3d edgeDirection = new Vector3d(point2.x - point1.x, point2.y - point1.y, point2.z - point1.z);
Line edgeLine = new Line(edgeDirection, point1);
if (index == 0)
{
startVertex = vertex1;
startType = EDGE;
startPos = line.computeLineIntersection(edgeLine);
startDist = line.computePointToPointDistance(startPos);
middleType = FACE;
index++;
return(true);
}
else if (index == 1)
{
endVertex = vertex1;
endType = EDGE;
endPos = line.computeLineIntersection(edgeLine);
endDist = line.computePointToPointDistance(endPos);
middleType = FACE;
index++;
//the ending point distance should be smaller than starting point distance
if (startDist > endDist)
{
swapEnds();
}
return(true);
}
else
{
return(false);
}
}
//---------------------------------PRIVATES-------------------------------------//
/**
* Sets an end as vertex (starting point if none end were defined, ending point otherwise)
*
* @param vertex the vertex that is an segment end
* @return false if all the ends were already defined, true otherwise
*/
private bool setVertex(Vertex vertex)
{
//none end were defined - define starting point as VERTEX
if (index == 0)
{
startVertex = vertex;
startType = VERTEX;
startDist = line.computePointToPointDistance(vertex.getPosition());
startPos = startVertex.getPosition();
index++;
return true;
}
//starting point were defined - define ending point as VERTEX
if (index == 1)
{
endVertex = vertex;
endType = VERTEX;
endDist = line.computePointToPointDistance(vertex.getPosition());
endPos = endVertex.getPosition();
index++;
//defining middle based on the starting point
//VERTEX-VERTEX-VERTEX
if (startVertex.equals(endVertex))
{
middleType = VERTEX;
}
//VERTEX-EDGE-VERTEX
else if (startType == VERTEX)
{
middleType = EDGE;
}
//the ending point distance should be smaller than starting point distance
if (startDist > endDist)
{
swapEnds();
}
return true;
}
else
{
return false;
}
}
/**
* Sets an end as edge (starting point if none end were defined, ending point otherwise)
*
* @param vertex1 one of the vertices of the intercepted edge
* @param vertex2 one of the vertices of the intercepted edge
* @return false if all ends were already defined, true otherwise
*/
private bool setEdge(Vertex vertex1, Vertex vertex2)
{
Point3d point1 = vertex1.getPosition();
Point3d point2 = vertex2.getPosition();
Vector3d edgeDirection = new Vector3d(point2.x - point1.x, point2.y - point1.y, point2.z - point1.z);
Line edgeLine = new Line(edgeDirection, point1);
if (index == 0)
{
startVertex = vertex1;
startType = EDGE;
startPos = line.computeLineIntersection(edgeLine);
startDist = line.computePointToPointDistance(startPos);
middleType = FACE;
index++;
return true;
}
else if (index == 1)
{
endVertex = vertex1;
endType = EDGE;
endPos = line.computeLineIntersection(edgeLine);
endDist = line.computePointToPointDistance(endPos);
middleType = FACE;
index++;
//the ending point distance should be smaller than starting point distance
if (startDist > endDist)
{
swapEnds();
}
return true;
}
else
{
return false;
}
}
//-------------------------------------GETS-------------------------------------//
/**
* Gets the face bound
*
* @return face bound
*/
public Bound getBound()
{
return(new Bound(v1.getPosition(), v2.getPosition(), v3.getPosition()));
}
