本文对动态实时软阴影技术进行了深入地研究和分析，通过对比各种实时软阴影算法的优缺点，根据项目实时性要求较高的需求，最终选择了两种基于图像空间的算法进行扩展。-In this paper, dynamic real-time soft shadows technology in-depth study and analysis, by comparing the various advantages and disadvantages of real-time soft shadows algorithms, real-time requirements of the project the higher the demand, the final choice of two algorithms based on image space to expand.