public g3Line vertical(g3RowVec point) // must be moved to g2Line, only for testing, all z-Values must be 0 for testing
{
g3Line ret = new g3Line(this);
ret.ePoint.x = point.x + dir.y;
ret.ePoint.y = point.y - dir.x;
ret.init(point, ret.ePoint);
return(ret);
}
private void init(g3RowVec start, g3RowVec end)
{
if (!selfTested)
{
selfTest();
}
this.sPoint = start;
this.ePoint = end;
this.pnt.x = start.x; this.pnt.y = start.y; this.pnt.z = start.z;
this.dir.x = end[1, 1, 1] - start[1, 1, 1]; this.dir.y = end[1, 2, 1] - start[1, 2, 1]; this.dir.z = end[1, 3, 1] - start[1, 3, 1];
len = Math.Sqrt(this.dir.x * this.dir.x + this.dir.y * this.dir.y + this.dir.z * this.dir.z);
this.dir.x = this.dir.x / len; this.dir.y = this.dir.y / len; this.dir.z = this.dir.z / len;
}
public g3Line(g3RowVec start, g3RowVec end)
{
init(start, end);
}
public g3RowVec(g3RowVec cloneFrom) : base(3, 1, 1)
{
this.x = cloneFrom.x; this.y = cloneFrom.y; this.z = cloneFrom.z;
}