What's new: 
      
         - You can press three sphere-like buttons on the right of the TV to 
            switch between channels.
 
         - Bonus Point: special control 1: touch screen. When Ray Tracing Channel is selected you can 'touch' the 
            screen to select the spheres on the screen and drag to move it.
         
 
         - Bonus Point: sliders and toggle button. You can walk to the witch to show 2 additional controls. One to 
            button show the stars. The slider will change the opacity of the body.
         
 
         - Walk to the torus to 'eat' it.
 
         - Bonus Point: special control 2: clickable ground. You can walk by pressing the arrow keys on your keyboard, or click on 
            the ground where you want to go.
         
 
	 - Demo Video
 
	 - Here you can browse the source of this assignment.
 
       
       
  
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