//This function returns true if the 2 MyLine correspond to the same line in 3D space, false otherwise.
//First the function verifies if the two lines have the same direction versor, then it verifies if
//the point lying on the first line also lies on the second line, and viceversa.
//The direction versor of each line is computed by computing the vector product of the two normal
//vectors of the two planes defining the line.
public static bool MyEqualsMyPlane(MyLine firstLine, MyLine secondLine, MyVertex firstPoint, MyVertex secondPoint)
{
var firstDirection = firstLine.direction;
var secondDirection = secondLine.direction;
var secondDirectionInverted = new double[3];
secondDirectionInverted.SetValue(-secondDirection[0], 0);
secondDirectionInverted.SetValue(-secondDirection[1], 1);
secondDirectionInverted.SetValue(-secondDirection[2], 2);
if (FunctionsLC.MyEqualsArray(firstDirection, secondDirection) || FunctionsLC.MyEqualsArray(firstDirection, secondDirectionInverted))
{
var firstVerify = firstPoint.Lieonline(secondLine);
var secondVerify = secondPoint.Lieonline(firstLine);
if (firstPoint.Lieonline(secondLine) && secondPoint.Lieonline(firstLine))
{
return(true);
}
return(false);
}
return(false);
}