// Persistence of Vision Raytracer 2.0 // // Direction Vectors for various Field of View angles. // Use in camera in form : // // direction <0, 0, FoV_45> // // The formula used to calculate these is: FoV = 0.5 / tan(angle/2) // You will also need to adjust the location vector if you change FoV and // want to keep the same visual distance from your scene. #declare FoV_15 = 7.595981 #declare FoV_30 = 3.732166 #declare FoV_45 = 2.414293 #declare FoV_60 = 1.732113 #declare FoV_75 = 1.303277 #declare FoV_90 = 1.000046 #declare FoV_105 = 0.767370 #declare FoV_120 = 0.577391 #declare FoV_135 = 0.414254 #declare FoV_150 = 0.267991 #declare FoV_165 = 0.131696