LightGeoUtil.h

#pragma once
#include <string>
#include <vector>
#include "ParaVector3.h"
namespace ParaEngine
{
    class LightGeomUtil
    {
    public:
        // Create a sphere Mesh with a given radius, number of rings and number of segments
        static void createSphere(std::vector<Vector3> & outPositions
            , std::vector<unsigned short> & outIndices
            , float radius
            , int nRings, int nSegments
            );

        // Create a cone Mesh with a given radius and number of vertices in base
        // Created cone will have its head at 0,0,0, and will 'expand to' positive y
        static void createCone(std::vector<Vector3> & outPositions
            , std::vector<unsigned short> & outIndices
            , float radius
            , float height
            , int nVerticesInBase);

        // Fill up a fresh copy of outPositions with a normalized quad
        static void createQuad(std::vector<Vector3> & outPositions);


    };
}