Stuff

Color shootRay(Scene *world, Ray *ray, int bounce) {
   Color tempCol;
   Hit tempHit;
   Vector norm;
   Vector hitPt;
   tempCol.x = 0;
   tempCol.y = 0;
   tempCol.z = 0;

   if(bounce > MAX_BOUNCES) {
      fprintf(stderr, "TOO MANY BOUNCES\n");
      tempCol.x = 1;
      tempCol.y = 1;
      tempCol.z = 1;
      return tempCol;
   } // if

   tempHit = intersectObjects(world, ray);

   /* Nothing hit, return background color */
   if(tempHit.obj == NULL) {
      tempCol.x = 1;
      tempCol.y = 0;
      tempCol.z = 0;
      return tempCol;
   } // if

   Scalar t;
   t = tempHit.obj->hits(tempHit.obj, ray); // Distance of hit
   hitPt = rayEquation(ray, t); // Calculate hitpoint

   norm = tempHit.obj->normalAt(tempHit.obj, &hitPt); // Find normal
   tempCol = lightPoint(tempHit.obj, &hitPt, &norm, world);

   if((tempHit.obj->specular.x !=0) && (tempHit.obj->specular.y != 0)
       && (tempHit.obj->specular.z != 0))
   {
      // Specular lighting goes here
   }

//  fprintf(stderr, "Color before return is - r:%3lf g:%3lf b: %3lf\n", tempCol.x, tempCol.y, tempCol.z);
   return tempCol;
} // shootRay