albeva

#include <iostream>
#include <utility>
#include <tuple>
using namespace std;

//
// forward declare
//

template<int N1, int N2, int LAST, typename T>

rorydriscoll

void CalculateEdgeNormal(float& nx, float& ny, float x0, float y0, float x1, float y1)
{
	const float x01 = x1 - x0;
	const float y01 = y1 - y0;

	const float length = Sqrt(x01 * x01 + y01 * y01);

	const float dx = x01 / length;
	const float dy = y01 / length;