void rotateshape(shape & s, double rotation)
{
for (shapeIterator shapeIter = s.begin(); shapeIter != s.end(); ++shapeIter)
{
(*shapeIter).argument ((*shapeIter).argument() + rotation);
}
}
void write_shape(shape const & s, std::ostream &streamToWriteTo)
{
streamToWriteTo << s.size() << "\n";
for (constShapeIterator shapeIter = s.begin(); shapeIter != s.end(); ++shapeIter)
{
send_to (*shapeIter, streamToWriteTo);
streamToWriteTo << "\n";
}
}
void sheershape(shape & s, double sheer)
{
for (shapeIterator shapeIter = s.begin(); shapeIter != s.end(); ++shapeIter)
{
double newArgument = (*shapeIter).argument() + sheer;
//we just need to change the x so that it's angle is changed, while maintaining the y as it is.
double newModulus = (*shapeIter).modulus() * sin (radians((*shapeIter).argument())) / sin (radians(newArgument));
(*shapeIter).argument (newArgument);
(*shapeIter).modulus (newModulus);
}
}