How to draw wavy line on iOS device

Question

I have many points constructing a line. How can I draw a wavy line through those points?

Answer 1

Example:

- (void)drawRect:(NSRect)rect
{
    NSBezierPath *curve = [NSBezierPath bezierPath];
    [curve moveToPoint:NSMakePoint(0,50)];
    [curve relativeCurveToPoint:NSMakePoint(150,50) controlPoint1:NSMakePoint(50,100) controlPoint2:NSMakePoint(100,0)]; 
    [[NSColor redColor] set];
    [curve stroke];
}

Result: