TrueMotion Game Controller a Step Up From Wii Remote

Harry McCracken writes "One of my top picks at the Consumer Electronics Show was Sixense's TrueMotion, a game-controller technology that resembles the Wii's remote, but uses an electromagnetic field to provide far more precision — it knows the exact location of the controller in 3D space and which way you're pointing it. (The Wiimote only knows which direction you're moving the controller.) TrueMotion-based remotes are due by Christmas, bundled with a PC game for under $100."

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Inaccurate wiimote description

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The statement "The Wiimote only knows which direction you're moving the controller" is not accurate, The Wiimote has a three axis accelerometer in addition to an infrared camera. The camera looks for two infrared LEDs on the "sensor bar" and depending on the distance between the LEDs and their position in the image from the camera the Wiiremote can fairly accurately determine where it is pointed on the screen.