PROGRAMMING CHALLENGE: Create a forest scene where a butterfly appears and flies across the screen. Constraints: 1. When the hedgehog is clicked, a butterfly arises from behind the hedgehog, gets bigger, and flies off the screen. 2. The butterfly should increase in size as it flies across the screen. 3. When the butterfly appears, a happy sound should be played. 4. When the animation is completed, it should be able to be restarted by clicking on the hedgehog.
