//copy constructor
public Segment(Segment cpy)
{
startX = cpy.StartX;
endX = cpy.EndX;
startY = cpy.StartY;
endY = cpy.EndY;
m = cpy.getM();
b = cpy.getB();
lX = cpy.getLX();
hX = cpy.getHX();
vert = cpy.isVert();
}
//checks if segments intersect on given interval
public bool intersect(Segment inter)
{
float interX;
//returns false if lines are parallel
if (inter.getM() == m && inter.getB() == b)
{
return false;
}
//if one of the segments is verticle, chacks if second segment intersects it
if (vert)
{
if (startX < inter.getHX() && startX > inter.getLX())
{
return true;
}
}
else if (inter.isVert())
{
if (inter.startX < hX && inter.startX > lX)
{
return true;
}
}
//else determines point of intersection based on m and b values and checks if intersection on interval bounded by the segments
else
{
interX = (b - inter.b) / (inter.m - m);
if (interX > lX && interX < hX)
{
return true;
}
}
return false;
}
