//Assume that screen is square
public static double GetActualScreenSize(double distanceFromCamToScreen, double fov)
{
double rad = MathCalculations.DegreeToRad(fov);
double size = 2 * distanceFromCamToScreen * Math.Tan(rad / 2);
return(size);
}
public override Image RenderObj(string inputPath)
{
#region CameraSettings
Vector3 centerScreen = Camera.Origin + new Vector3(0, 0, 1);
Vector3 camLookDirection = (centerScreen - Camera.Origin).Normalize();
Image image = new Image(1000, 1000);
#endregion
_actualScreenSize = MathCalculations.GetActualScreenSize((Camera.Origin - centerScreen).Length, 90);
List <Triangle> renderObject = GetModel(inputPath);
List <Vector3> arrayOfPixelsCenters = GetScreenPointsForRay(_actualScreenSize, image);
IRay[,] rays = GetRays(Camera, arrayOfPixelsCenters, image);
image.ImagePalette = GetRayIntersactionWithModel(rays, renderObject);
return(image);
}