const {Interactive, Sprite} = ecs.get(plant.entity);

plant.growth = 0

if (plant.stage < 3) {
  plant.stage += 1
}
if (4 === plant.stage) {
  plant.stage = 3
}
if (3 === plant.stage) {
  Interactive.interacting = true;
}

Sprite.animation = ['stage', plant.stage].join('/')