Students should use this rubric: https://www.udacity.com/course/viewer#!/c-ud015/l-3072058665/m-3072588797
for self-checking their submission.
- Move player with up, down, left & right keys.
- If the player is hit by an enemy, player position resets to the bottom/center of screen.
- Collectible items are the heart, key and star. They disappear upon collection.
- You can change your character by using the selection box. Just remember to click the canvas again upon selection.