   // stop rendering after transitioning to next scene
   if (a >= end1 && a < end2 + transitionTime) {
     res = opMorph(res,
-      scene10(pos),
+      scene1(pos),
 
       // Timing
       end1,

  return bloodCellField(pos);
}

/*
vec2 scene3(vec3 pos) {
  // virus
  vec3 offs = vec3(sin(a) / 4.,.75,.0);

  // last scene
  if (a >= end3) {
    res = opMorph(res,
      scene1(pos),

      // Timing
      end3,
