Is this to casual for the opening of a novel?

Jayda entered her room in an enormous fury. Accidentally knocking over Kep’s food dish, she watched a colossal amount of dog chow streak like fireworks over the floor. Brown nuggets lay at her feet, most were spread out over the carpet, and some had landed all the way across the room. She was even sure she’d seen a few pieces slip under the lid of an old wooden trunk to her side. In bitter annoyance, she praised herself in the genius act of placing her dog’s food dish so close to the door.