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VR Interfaces: Wii light-gun attachment


Overview of Wii light-gun attachment
Being announced just one day after the Nintendo Wii itself, at E3 2006?s second day, the Nintendi Wii light-gun attachment connects directly to the back of the Nintendo Wii-mote immersion controller.

Wii makes use of a controller with a built-in motion sensor. The key to the whole experience, the Wii-mote sits in the hand and feels much like a TV remote control, bearing not a little similarity to a Wanda VR pointer. The motion sensor inside, allowing a full six degrees of movement ? it detects travel along the X, Y, and Z axis, pitch, roll and yaw. You hold it in your hand, and every tiny movement of the controller itself, translates to action on-screen.

Driven by ST's Micro Electro-Mechanical Systems (MEMS) technology, the Wii controller can respond to changes in direction, speed, and acceleration, down to the most delicate movements.

The light-gun attachment slots onto the back of the controller, connecting via an expansion port, turning the two devices into one single unit. The attachment increases functionality, adding a pistol stock to weight the unit out, and make it feel like a gun, a side-mounted trigger to replicate the effect of pulling a gun trigger, and several programmable controls on its upper surface.

Basically, converting the Wii-mote intoi an old arcade light-gun, it increases the feeling of immersion when you are pointing at enemies on screen, firing, and the enemy you point at with the controller, is the enemy that drops dead.

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