Open Question: Is this good if I'm trying to get in shape?

I'm a girl, about to turn 14. I'm a little under 5'1" and usually weigh around 110 lbs. However, I got pretty depressed this summer and gained a lot of weight. Now I'm finally feeling better and I want to lose the weight I gained, plus a little more if possible. I play softball about 5-7 months out of the year (it depends if there's a fall league each year) but my eating habits aren't