In the environment of Unity3D,aimed at the difficulty in personalized customization in virtual fitting system,by human models generated by modeling method,a solution using Blend shape algorithm is put forward to adjust the size of each part of the human bodies,the process of which is restricted by profile curves of human body.From this solution,a large number of customized human models can be built by transition from a basic body model to a set of limit models.To achieve dynamic fitting,The cloth simulation and collision processing of clothes based on Mass-Spring model is deeply studied.For the particularity of solving by Verlet integral,different body models' trying on the same clothes is realized through a set of spherical Colliders.Compared to static fitting,this solution avoids penetration and enhances realism.%在Unity3D引擎环境下,针对虚拟试衣系统中由建模法生成的人体模型难以实现大量个性化定制的问题,提出了一种使用BlendShape算法调整人体各局部特征尺寸,并通过人体特征轮廓曲线约束调整过程的解决方案;该方案由一个基础人体模型向一组极限模型进行过渡变形得到大量个性化人体;为了实现动态试衣,研究了服装基于弹簧—质点模型的布料仿真与碰撞处理过程,由Verlet积分求解的特殊性,通过一组球形碰撞器实现了不同体型的人体模型试穿相同的服装,其结果相较于静态着装避免了穿透现象并提升了真实感.
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