Construction Of Virtual Environment For Ice Stadium And Simulation Of Three Dimensional Speed Skating Movement

Body movement in virtual environment is an important research area in the filed of virtual reality (VR) technology. And the virtual model of human body plays an important role in researching whether the athlete s movement is normative and rational. The accurate imitation of various standard motions by virtual athlete has a great significance in the field of sports, which plays an important role in technological innovation and training guidance for athletes.Among three-dimensional animations that represent human body s motion, the modeling of human body is fairly difficult. The body structure is very complex, with multiple degrees of freedom. So the human body s animation is one of the most challenging topics among the three-dimensional animations. In addition, human beings are very familiar with the movement of their own and uncoordinated movement can be easily detected by observers, so it is very difficult to generate realistic and natural human motion. In sports training, using the technology of three-dimensional simulation for human motion is not only a challenging research topic, but also a new training mode for sports training.A combination of virtual environment and computer animation is studied in this paper. Based on the detailed research about the technology of modeling and motion control for virtual human, firstly the virtual scene of speed skating is constructed by the software of 3DS MAX, including the virtual ice rink and speed skating athlete, which creates a circumstance that likes real speed skating. The model of virtual speed skating athlete is constructed with a hierarchical method, which combines the advantages of solid modeling and surface modeling. Then the motion of the speed skating athletes is simulated by the means which combines the methods of parameter key-frame and inverse kinematics, and the three-dimensional animation simulation for speed skating athlete is realized, which represents the standard movement of the speed skating athlete on ice rink directly and offers sensorial information for physical education and training. The simulation results show that three-dimensional animation of human motion by computer technique has obvious advantages in aspects of simulating difficult and new sports movements, demonstrating tactical process, representing the typical mistakes, compared with the traditional visual and intuitive training method.