⭐Use your mouse to drag around the hitbox in its environment and check out the platformer physics of how it bounces off the platform and other stuff. ⭐Press SPACE to change the shape of the hitbox. ⭐Press the N key to change it's environment for more playful activities.
⭐ BONUS TIP: You can remix my project and use these engines, or one of them if you like, to make your own platformer game as the foundation of every platformer game requires this kind of physics! ⭐Remember to edit the controls to arrow keys and stuff! Consider leaving a ❤ and a ⭐ to show how you like my hard work. Please Follow me, @End_Creeper, if you like :D