426     intersect: function(ray){  argument
430         var dst = Flog.RayTracer.Vector.prototype.subtract(ray.position, this.position);
432         var B = dst.dot(ray.direction);
440                                                 ray.position,
442                                                     ray.direction,
478     intersect: function(ray){  argument
481         var Vd = this.position.dot(ray.direction);
484         var t = -(this.position.dot(ray.position) + this.d) / Vd;
490                                             ray.position,
492                                                 ray.direction,
574         var ray = new Flog.RayTracer.Ray(pos, dir.normalize());
576         return ray;
659           		var ray = scene.camera.getRay(xp, yp);
661           		var color = this.getPixelColor(ray, scene);
671     getPixelColor: function(ray, scene){  argument
672         var info = this.testIntersection(ray, scene, null);
674             var color = this.rayTrace(info, ray, scene, 0);
680     testIntersection: function(ray, scene, exclude){  argument
689                 var info = shape.intersect(ray);
709     rayTrace: function(info, ray, scene, depth){  argument
746               var reflectionRay = this.getReflectionRay(info.position, info.normal, ray.direction);