78             , fPos { 0.0f, 0.0f }  in Node()
87             fPos.fX = rand->nextRangeF(fSize, kWidth - fSize);  in init()
88             fPos.fY = rand->nextRangeF(fSize, kHeight - fSize);  in init()
103             fPos.fX += deltaTime * fSpeed * fDir.fX;  in update()
104             fPos.fY += deltaTime * fSpeed * fDir.fY;  in update()
105             if (fPos.fX >= kWidth || fPos.fX < 0.0f) {  in update()
106                 fPos.fX = SkTPin<SkScalar>(fPos.fX, 0.0f, kWidth);  in update()
109             if (fPos.fY >= kHeight || fPos.fY < 0.0f) {  in update()
110                 fPos.fY = SkTPin<SkScalar>(fPos.fY, 0.0f, kHeight);  in update()
118         const SkPoint& pos() const { return fPos; }  in pos()
123         SkPoint  fPos;  member in AnimatedImageBlurs::Node