Based on our new geometric data structure, the inner sphere trees, we present fast and stable algorithms for different kinds of collision detection queries between rigid objects at haptic rates. Namely, proximity queries and the penetration volume, ...

In this paper, we present Art of Defense (AoD), a cooperative handheld augmented reality (AR) game. AoD is an example of what we call an AR Board Game, a class of tabletop games that combine handheld computers (such as camera phones) with physical game ...

For most first-person video games it is important that players have a high level of feeling presence in the displayed game environment. Virtual reality (VR) technologies have enormous potential to enhance gameplay since players can experience the game ...

In this paper we present a pilot study on the use of influence to guide player behavior in an interactive storytelling environment. We discuss the need for authoring support in drama management systems and present computational models of influence as a ...