cylinder.h 1.5 KB
#ifndef STIM_CYLINDER_H
#define STIM_CYLINDER_H
#include <iostream>
#include <stim/math/circle.h>
#include <stim/math/vector.h>


namespace stim
{
template<typename T>
class cylinder
{
	private:
		stim::circle<T> s;
		std::vector< stim::vec<T> > pos;
		std::vector< stim::vec<T> > mags;
	
		void
		init()
		{
			
		}

		void
		init(std::vector<stim::vec<T> > &inP, std::vector<stim::vec<T> > &inM)
		{
			pos = inP;
			mags = inM;
		}
		

	public:
		cylinder()
		{

		}

		///constructor to create a cylinder from a set of points, radii, and the number of sides for the cylinder.
		///The higher the number of sides, the more rectangeles compose the surface of the cylinder.
		///@param inP:  Vector of stim vecs composing the points of the centerline.
		///@param inM:  Vector of stim vecs composing the radii of the centerline.
		cylinder(std::vector<stim::vec<T> > &inP, std::vector<stim::vec<T> > &inM)
		{
			init(inP, inM);
		}

		std::vector<std::vector<vec<T> > >
		getPoints(int sides)
		{
			if(pos.size() < 2)
			{
				return;
			} else {
				std::vector<std::vector <vec<T> > > points;
				points.resize(pos.size());
				stim::vec<T> d = (pos[0] - pos[1]).norm();
				s = stim::circle<T>(pos[0], mags[0][0], d);
				points[0] = s.getPoints(sides);
				for(int i = 1; i < pos.size(); i++)
				{
					d = (pos[i] - pos[i-1]).norm();
					s.center(pos[i]);
					s.normal(d);
					s.scale(mags[i][0]/mags[i-1][0], mags[i][0]/mags[i-1][0]);
					points[i] = s.getPoints(sides);
				}
				return points;
			}
		}
		
};

}
#endif