@implementation TouchDraw

@synthesize drawPoints;

- (id) init
{
  self = [super init];
  glEnable(GL_LINE_SMOOTH);
  glLineWidth(5.0f);
  return self;
}

- (void) draw
{
  if (drawPoints && [drawPoints count] < 2)
  {
    // not enough points to draw a line
    return;
  }

  // draw a line from 1 point to the other
  for (unsigned int i = 0; i < [drawPoints count]; i += 2)
  {
    CGPoint first = CGPointFromString([drawPoints objectAtIndex:i]);
    CGPoint second = CGPointFromString([drawPoints objectAtIndex:i + 1]);
    ccDrawLine(first, second);
  }
}

@end