Abstract: A cutting algorithm was proposed for Mouse’s ovary model based Leap Motion. The realistic data of the main mouse organs were collected. These data were deeply analyzed. The models of mouse and organs were imported into Unity3D to create a virtual environment and an interface between Leap Motion and Unity3D. It realized the cutting on mouse’s ovary model through a cutting algorithm which created a plane formed by the collision points and the camera, and it realized the deformation of the mouse’s ovary model through a deformation algorithm based kinematic formula. The results show that the cutting algorithm can simulate the cutting experiment on mouse’s ovary effectively and make the people have a realistic experience.

Key words: biotic experiment, virtual interaction, leap motion, cutting algorithm, deformation algorithm