Game Engine

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using MTV3D65;

namespace gefx
{
   public  class Camera
    {
        private TVCamera Cam;
        TV_3DVECTOR CamDirection = new TV_3DVECTOR(0,0,0);
        private TVMathLibrary Math = new TVMathLibrary();
        float fars = 2000.0f;
        float nears = 1.0f;
        float degs = 0.0f;
        float Z = 1;
        float UZ;

        public  TV_3DVECTOR kamerMouseSpacePos = new TV_3DVECTOR(0, 0, 0);

        public Camera()
        {
            Cam = new TVCamera();

            

        }

       

        public void SetUpCameraPosition(TV_3DVECTOR CameraPosition)
        {

            Cam.SetPosition(CameraPosition.x, CameraPosition.y, CameraPosition.z);
            Cam.SetViewFrustum(90, 2000);
        }

        public TV_3DVECTOR GetCameraPosition()
        {
            return Cam.GetPosition();

        }

        public void SetUpCameraDirection(float x,float y,float z)
        {
            CamDirection.x = x;
            CamDirection.y = y;
            CamDirection.z = z;
            Cam.SetLookAt(x, y, z);

        }

        public TV_3DVECTOR GetCameraDirection()
        {

            return CamDirection;
        }


        public void GetCameraViewStum(ref float  Far, ref float  Near, ref float deg)
        {
            Cam.GetViewFrustum(ref  deg, ref Far, ref  Near);

        }

        public void  GetMouseSpacePosition(float Mx, float My,ref TV_3DVECTOR vii)
        {
                GetCameraViewStum(ref fars, ref nears, ref degs);
                UZ = (fars / (fars - nears)) + ((nears * fars) / (fars - nears)) * (1 / Z);
                Math.Project2DPointTo3D(Mx, My, UZ, ref vii);
        }

        public void GetMSpacePos(float Mx, float My, ref TV_3DVECTOR rV)
        {
            float NearPl= new float();
            float FarPl= new float();
            float degres= new float();
            float Z= new float();

            Cam.GetViewFrustum(ref  degres, ref FarPl, ref  NearPl);
            float UZ = new float();
            //Z = 2;
            //UZ = (FarPl / (FarPl - NearPl)) + ((NearPl * FarPl) / (FarPl - NearPl)) * (1 / Z);

            //Math.Project2DPointTo3D(Mx, My, UZ, ref  rV);

            TV_3DVECTOR NearPos= new TV_3DVECTOR(0,0,0);
            TV_3DVECTOR   FarPos= new TV_3DVECTOR(0,0,0);

            Math.GetMousePickVectors(Mx, My, ref NearPos, ref FarPos);
            float sngDistFromNearPlane=2000;

            sngDistFromNearPlane = NearPl / FarPl;

            rV = NearPos + ((FarPos - NearPos) * ((sngDistFromNearPlane - NearPl) / (FarPl - NearPl)));

            kamerMouseSpacePos = rV;



        }



    }
}