After selecting its location from a map, Johnny is now in front of the virtual entrance to the hotel. The virtual Beijing has a new color scheme, mostly orange with some red.
The “entrance” is another tetrahedral shape made from geometric blocks. It is actually another numeric keypad. Johnny taps the blocks to enter a sequence of numbers.
The tetrahedral keypad
Note that there can be more than one digit within a block. I mentioned earlier that it can be difficult to “press” with precision in virtual reality due to the lack of tactile feedback. Looking closely, here the fingers of Johnny’s “hands” cast a shadow on the pyramid, making depth perception easier.Continue reading →
The recruits practice their war skills with capture the flag games. Each participant carries visible-laser weapons (color coded to match the team color) to fire at members of the other team, and wears a special vest that detects when it is hit with a laser, flashing briefly with red lights on the front and back and thereafter delivering a debilitating shock to the wearer until the game is over.