WASD keys to move, Don't touch the bird(if you do touch it, the game will stop so click on the arrow again). The goal is to touch the tree on the right.
Variable explanations: 1. Y velocity: jump height, speed of jumping. 2. X velocity: moving speed, and fiction of the movespeed. 3. Gravity: Basically gravity(someone help me for this part. 4. player movespeed: more friction side collision and edge collisions.