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Unit : II - Interactive Techniques in Virtual Reality

 1. Introduction to Interactive Techniques in VR Virtual Reality (VR) is a computer-generated environment that allows users to interact with 3D objects in real time. Interactive techniques are the methods by which a user communicates with, navigates, and manipulates objects inside a virtual environment (VE). Objectives of Interaction in VR To create natural and intuitive interaction To provide real-time response To increase immersion and realism To allow navigation, selection, and manipulation Examples of VR Interaction Moving inside a virtual building Picking and rotating virtual objects Flying through a 3D world Touching objects using VR gloves 2. From 2D to 3D Interaction 2D Interaction Used in traditional computer systems Limited to X and Y axes Examples: Mouse, keyboard, touchscreen 3D Interaction Used in Virtual Reality Includes X, Y, and Z axes Depth perception is added Users can move, rotate, and scale objects f...
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Unit - I : Introduction of Virtual Reality

  1. Introduction to Virtual Reality (VR) Virtual Reality (VR) is a computer-generated simulation of a three-dimensional environment that allows users to interact with and experience a virtual world as if it were real. VR creates an immersive experience using devices such as head-mounted displays (HMDs) , motion sensors , controllers , and audio systems . VR combines computer graphics, real-time processing, human–computer interaction, and sensory feedback to create realistic experiences. It is widely used in gaming, education, training, healthcare, defense, architecture, and entertainment . 2. Fundamental Concepts of Virtual Reality The fundamental concepts of VR include: 2.1 Virtual Environment A virtual environment is a simulated digital space that can represent real or imaginary worlds. Users can explore and interact with objects within this environment. 2.2 Interactivity Interactivity allows users to manipulate virtual objects using controllers, hand gestures, or b...
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