Abstract
The method of scene mapping provides a very effective technical support for classroom participants to roam freely in a virtual scene larger than the real space. When the virtual scene is larger than the area in the real space, the existing scene mapping method will cause distortion of the original virtual scene and affect the user’s roaming experience and visual experience. In order to obtain the scene map with low isometric distortion when the virtual scene scale is much larger than the real space, this paper proposes the block map to divide and group the roads in the virtual scene. For each group of roadblocks, the mapping is obtained by minimizing the isometric distortion energy of the mapping on the premise that the adjacent road blocks are smooth and continuous at the junction. The segmented roadblocks are mapped to the interior of the real intersections, and then the mapping of the whole scene is optimized globally to further reduce the isometric distortion of the whole mapping. Based on the above theories, the design scheme of immersive virtual legal reality classroom is proposed, including the overall framework of immersive virtual legal reality classroom, interactive scheme design, interactive behavior design, and required technical scheme, etc. The application technology, educational application, and application experience are analyzed in combination with the constructed immersive virtual legal reality scene for corresponding innovation and improvement. By applying immersive virtual reality technology in the field of education, the results show that the simulation system has good practicability and stronger stability and can provide a better immersive experience for law class participants.
Highlights
Law undergraduate students were the masters of law learning activities, with independent subject consciousness and clear goals, and autonomy. ey can actively accept the influence of legal education through a series of autonomous learning activities and self-regulation and transform legal knowledge into their spiritual wealth through legal practice [5]. e classroom was the main channel of legal education, the main link in the process of forming the knowledge of law students, and the main position for law teachers to complete the teaching task of legal education
Zhong and Zhang [9] in 2007 defined an intelligent learning environment from the perspectives of constructivism learning theory, mixed learning theory, and modern teaching theory. ey believed that intelligent learning environment was an intelligent, open, and integrated Virtual Reality (VR) learning space
Shi [13] 2017 explored the deep integration of information technology and smart classroom construction based on the web of things, cloud computing, VOIP, video surveillance, and other technologies and proposed the overall architecture diagram of a smart classroom system
Summary
In order to roam the large scene in the small real space, it is necessary to control the user in the specific real space at all times and make the user’s visual perception and motion perception maintain the same consistency with real life. E method calculates the smooth mapping from the virtual scene to the inner part of the real space so as to avoid the user touching the boundary of the real space in the process of walking and roaming and avoid the incoherent experience caused by forcibly interrupting the user’s roaming process. Different from the global mapping method proposed by Sim et al, this method is based on the divide-and-conquer strategy It creates multiple fragmented local mappings for the virtual scene and maps each corresponding area to the interior of the real space. It is very important to map large virtual scenes into small real Spaces and maintain low isometric distortion to provide a good experience for users to roam the virtual scenes, but this is a very difficult thing to do. EdKi,sl approaches infinity as det JK,l approaches 0 to prevent fk from degenerating and flipping
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