#import "BNZLine.h"
void DoLineSegmentIntersection(BNZVector *v1, BNZVector *v2, BNZVector *v3, BNZVector *v4)
{
    BNZLine *l1 = [BNZLine lineAt:v1 to:v2];
    BNZLine *l2 = [BNZLine lineAt:v3 to:v4];
    BNZVector *intersection;
    
    NSLog(@"Line segment 0: %@", l1);
    NSLog(@"Line segment 1: %@", l2);
    
    switch([l1 getIntersectionPoint:&intersection withLine:l2])
    {
        case BNZLinesAreParallel:
            NSLog(@"The lines are parallel\n");
            break;
        case BNZLinesAreCoincident:
            NSLog(@"The lines are coincident\n");
            break;
        case BNZLinesDoNotIntersect:
            NSLog(@"The lines do not intersect\n");
            break;
        case BNZLinesIntersect:
            NSLog(@"The lines intersect at %@", intersection);
            break;
    }
}

int main()
{
    NSAutoreleasePool *p = [[NSAutoreleasePool alloc] init];
    DoLineSegmentIntersection(VecXY(0.0f, 0.0f), VecXY(5.0f, 5.0f), VecXY(5.0f, 0.0f), VecXY(0.0f, 5.0f));
    DoLineSegmentIntersection(VecXY(1.0f, 3.0f), VecXY(9.0f, 3.0f), VecXY(0.0f, 1.0f), VecXY(2.0f, 1.0f));
    DoLineSegmentIntersection(VecXY(1.0f, 5.0f), VecXY(6.0f, 8.0f), VecXY(0.5f, 3.0f), VecXY(6.0f, 4.0f));
    DoLineSegmentIntersection(VecXY(1.0f, 1.0f), VecXY(3.0f, 8.0f), VecXY(0.5f, 2.0f), VecXY(4.0f, 7.0f));
    DoLineSegmentIntersection(VecXY(1.0f, 2.0f), VecXY(3.0f, 6.0f), VecXY(2.0f, 4.0f), VecXY(4.0f, 8.0f));
    DoLineSegmentIntersection(VecXY(3.5f, 9.0f), VecXY(3.5f, 0.5f), VecXY(3.0f, 1.0f), VecXY(9.0f, 1.0f));
    DoLineSegmentIntersection(VecXY(2.0f, 3.0f), VecXY(7.0f, 9.0f), VecXY(1.0f, 2.0f), VecXY(5.0f, 7.0f));
    [p release];
    return 0;
}