Abstract
The use of virtual training, can solve the problems such as the shortage of training resources, slow update of equipment, lack of training supplies, risks and environmental pollution and other issues in pure physical equipment training. This paper applies Blender and Html5 technology to student’s experiment in colleges and universities, and designs an interactive virtual experiment platform which integrates learning and experiment and supports muti-terminal visualization. The design scheme, main function and implementation technology of the platform are introduced in detail, and applied to the course of computer assembly and maintenance. First, the 3D model is constructed by the free open source modeling software Blender and exported in a specific format recognized by the WebGL library. Then, this library is used to add interactive function for the application program, which can realize the real-time interaction between user’s Browser and 3D model. HTML5 is used to eliminate the problem of customizing special web pages for different devices, and adaptive page design is realized to support multi-terminal access. Based on this platform, the virtual reality learning system of computer assembly and maintenance was designed. After the completion of the study, knowledge acquisition, skill assessment, psychological feeling and cognitive load were measured. Practice shows that the application of this technology can enhance the immersion and intelligence of the experimental process, and improve the user’s interaction and experience. At the same time, the system has a cross platform, free plug-in, easy maintenance and other characteristics, can solve the problems of poor user experience and compatibility of traditional virtual experiment platform.
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