コード例 #1
0
        public ParallelRandomSquareLightSource(ShadowScientrace.ShadowLightSource shadowObject) : base(shadowObject)
        {
            int?random_seed = shadowObject.getNInt("random_seed");

            Scientrace.Location   location  = shadowObject.getLocation("location"); //corner
            Scientrace.UnitVector direction = shadowObject.getUnitVector("direction");
            int ray_count = shadowObject.getInt("ray_count");                       //linecount,

            this.distance = shadowObject.getDouble("distance", 0);                  //distance,

            //This line has been moved to the LightSource parent shadowconstructor
            //Scientrace.LightSpectrum spectrum = (Scientrace.LightSpectrum)shadowObject.getObject("spectrum"); //spectrum

            Scientrace.Vector width  = shadowObject.getVector("width");   //urange,
            Scientrace.Vector height = shadowObject.getVector("height");  //vrange,

            Random randNum;

            if (random_seed == null || random_seed == -1)
            {
                randNum = new Random();
            }
            else
            {
                randNum = new Random((int)random_seed);
            }

            for (int iline = 0; iline < ray_count; iline++)
            {
                Scientrace.Line line = new Scientrace.Line(location + (width * randNum.NextDouble() + (height * randNum.NextDouble())).toLocation(), direction);
                // THIS IS BEING DONE BY THE PARENT LIGHTSOURCE CLASS ALREADY: line.startingpoint = line.startingpoint - (direction.toLocation()*distance);
                Scientrace.Trace newtrace = new Scientrace.Trace(spectrum.wl(iline), this, line, env, spectrum.it(iline), spectrum.it(iline));
                newtrace.traceid = "RS" + (random_seed == null?"r":random_seed.ToString()) + "-" + iline;
                this.addTrace(newtrace);
            }     //end for
        }         //end void oldParamInit
コード例 #2
0
        public RandomCircleLightSource(ShadowScientrace.ShadowLightSource shadowObject) : base(shadowObject)
        {
            int?random_seed = shadowObject.getNInt("random_seed");

            Scientrace.Location   location  = shadowObject.getLocation("location");  //corner
            Scientrace.UnitVector direction = shadowObject.getUnitVector("direction");
            Scientrace.UnitVector normal    = shadowObject.getUnitVector("normal");
            // if normal is not defined, use the beam direction as the surface normal.
            if (normal == null)
            {
                normal = direction;
            }
            int ray_count = shadowObject.getInt("ray_count");      //linecount,

            this.distance = shadowObject.getDouble("distance", 0); //distance,

            //This line has been moved to the LightSource parent shadowconstructor
            //Scientrace.LightSpectrum spectrum = (Scientrace.LightSpectrum)shadowObject.getObject("spectrum"); //spectrum

            double radius = shadowObject.getDouble("radius");    //urange,

            Random randNum;

            if (random_seed == null || random_seed == -1)
            {
                randNum = new Random();
            }
            else
            {
                randNum = new Random((int)random_seed);
            }


            Scientrace.Plane      plane = Scientrace.Plane.newPlaneOrthogonalTo(location, normal);
            Scientrace.UnitVector urange, vrange;
            double r1, r2;

            urange = plane.u.toUnitVector();
            vrange = plane.v.toUnitVector();
            Scientrace.Line line;
            for (int iline = 0; iline < ray_count; iline++)
            {
                r1 = 1 - randNum.NextDouble() * 2;
                r2 = 1 - randNum.NextDouble() * 2;
                if (Math.Pow(r1, 2) + Math.Pow(r2, 2) < 1)
                {
                    line = new Scientrace.Line(location + ((urange * r1 * radius) + (vrange * r2 * radius)).toLocation(), direction);
                    // THIS IS BEING DONE BY THE PARENT LIGHTSOURCE CLASS ALREADY: line.startingpoint = line.startingpoint - (direction.toLocation()*distance);
                }
                else
                {
                    iline--;
                    continue;
                }
                double           wavelength = spectrum.wl(iline);
                double           intensity  = spectrum.it(iline);
                Scientrace.Trace newtrace   = new Scientrace.Trace(wavelength, this, line, env, intensity, intensity);
                newtrace.traceid = "RS" + (random_seed == null?"r":random_seed.ToString()) + "-" + iline;
                this.addTrace(newtrace);
            }
        }