Virtual reality is an artificially created, similar to the world around us. New technical means make it possible to create unique effects. They are projected onto the user’s consciousness, giving him the opportunity to experience sensations close to the real one. Because of this, VR has gained enormous popularity in the modern world.
Today, VR technologies are rapidly developing and are used in a variety of projects. They affect a variety of areas and industries:
- Video games.
- Education.
- Industry.
- Medicine.
- Film industry.
Game industry market always follows the trends, so it is not surprising that virtual reality technology is widespread in this industry.
Today, special goggles or a helmet are mainly used for immersion in an artificially created world. The headset is put on the head and has a simple principle of operation. There is a display in front of the user’s eyes – it is on this display that the desired video is displayed. An accelerometer and gyroscope are attached to the body. They allow you to track head movements and send information to the program. Based on the readings of the sensors, the image on the display changes.
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Thus, a person gets more opportunities and can look around inside the virtual world. Today, plastic lenses are actively used. They make the picture clearer and focus it. For the most realistic immersion can also use all kinds of tracking systems:
Motion tracking. Allows you to track the movements of the user and then reproduce them in a virtual environment. Tracking is done through the use of a video camera or sensors.
Eye-tracking systems. Track the movements of the pupils, that is, determine where the user is looking. Such systems are not in great demand on the commercial market and are usually used in scientific and medical fields.
3D controllers. To achieve a high level of comfort, simple joysticks are replaced by multifunctional controllers. Such manipulators allow to work effectively in the virtual world.
Devices with feedback. Used for the most realistic sensations. For example, rotating chairs, vibrating joysticks and so on can be used.
To create a 3D-image for a long time used the computer or game console. However, today the headsets, which work perfectly with modern cell phones, are popular. This solution allowed to reduce the cost of equipment and abandon the use of previously listed means.
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