See-through head-mounted display capability is becoming an important part of Virtual Environment applications. In such applications, it may be desirable to model the physical behavior of the virtual objects and their interaction with the real objects. This thesis describes a software system that provides interactive collision detection and collision response for see-through head-mounted displays. The system employs a static model of the real world environment and allows for arbitrary convex virtual objects to be placed in the environment. The user may control the positions and velocities of the virtual objects. An approximately constant time collision detection algorithm and a Newtonian based single point contact collision response is used to model the apparent physical interaction of the virtual and real objects for moderately complex environments. ii PREFACE I would like to thank my advisors, Henry Fuchs, Gary Bishop and Dinesh Manocha for their patience and wisdom. I would like to thank the additional people who have helped
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