1. Introduction
  1.1 Background and Motivation
  1.2 Objectives of the Project
2. Literature Review
  2.1 Overview of Virtual Reality Technology
  2.2 Principles of Human-Computer Interaction
  2.3 Previous Research in VR HCI
3. Understanding User Behavior in VR
  3.1 User Experience Design Principles
  3.2 Cognitive and Perceptual Considerations
  3.3 User Interaction Patterns in VR
4. Designing Intuitive VR User Interfaces
  4.1 3D User Interface Design Guidelines
  4.2 Gestural and Spatial Interaction Techniques
  4.3 Input Devices and Haptic Feedback
5. Prototype Development and Evaluation
  5.1 Implementation of VR Interaction Techniques
  5.2 User Testing and Feedback Analysis