Avoid the tree with vegitation on it by flying between the vegetation (The green is the vegetation). Use space to fly and see the score in the upper left corner.
So, in one of my classes, I was instructed with creating a game similar to Flappy Bird. So, I thought, why not use everyone's favorite four-winged dinosaur, Microraptor? NOTE: This game is still in a WIP state, I'll add more eventually.