Abstract
In virtual environments, navigation is one of the most fundamental tasks that requires timely collision detection and collision avoidance mechanisms [1]. It was shown that when navigation is constrained to moving on a terrain surface, the problem of collision detection can be reduced from 3D to 2D case, by rasterizing all 3D objects that constitute travel obstacles and encoding them into a terrain elevation image map, using a dedicated color [2]. The original algorithm was developed for static Virtual Reality (VR) scenes explored by a single user, immersed into the scene with a head mounted display and navigating by continuous steering.
The new improved system, presented in this article, is capable of processing collisions for various types of virtual travelers, ranging from immersed VR users to autonomous virtual agents, in dynamically changing environments with moving obstacles. Implementation details of the new system are presented, with a number of case studies and a discussion of future work.
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References
Ruddle, R.A.: Navigation: Theoretical foundations and techniques for travel. In: IEEE Virtual Reality Conference, p. 311 (2005)
Sherstyuk, A., Treskunov, A.: Collision-free travel with terrain maps. In: Proceedings of the 8th International Conference on Virtual Reality Continuum and its Applications in Industry, pp. 175–178. ACM, New York (2009)
Miller, G.S.P.: The definition and rendering of terrain maps. In: Proceedings of the 13th Annual Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 1986, pp. 39–48. ACM, New York (1986)
Zhou, H., Sun, J., Turk, G., Rehg, J.M.: Terrain synthesis from digital elevation models. IEEE Transactions on Visualization and Computer Graphics 13(4), 834–848 (2007)
Avatar Reality: Blue Mars Online Virtual World (2010), http://www.bluemars.com
Electronic Arts: Sim City (2013), http://www.simcity.com
Sherstyuk, A., Aschwanden, C., Saiki, S.: Affordable virtual environments: Building a virtual beach for clinical use. In: 13th Annual Medicine Meets Virtual Reality Conference. IOS Press (2005)
Vincent, D., Sherstyuk, A., Burgess, L., Connolly, K.: Teaching mass casualty triage skills using immersive three-dimensional Virtual Reality. Academic Emergency Medicine 15(11), 1160–1165 (2008)
Jiménez, P., Thomas, F., Torras, C.: 3d collision detection: A survey. Computers and Graphics 25, 269–285 (2000)
Akenine-Möller, T., Haines, E., Hoffman, N.: Real-Time Rendering, 3rd edn. A. K. Peters, Ltd., Natick (2008)
Sakr, Z., Sudama, C.: A curvilinear collision avoidance scheme for interactive 3d gaming environments. In: ACE 2008: Proceedings of the 2008 International Conference on Advances in Computer Entertainment Technology, pp. 130–133. ACM, New York (2008)
Sud, A., Gayle, R., Andersen, E., Guy, S., Lin, M., Manocha, D.: Real-time navigation of independent agents using adaptive roadmaps. In: Proceedings of the 2007 ACM Symposium on Virtual Reality Software and Technology, VRST 2007, pp. 99–106. ACM, New York (2007)
Sud, A., Andersen, E., Curtis, S., Lin, M., Manocha, D.: Real-time path planning for virtual agents in dynamic environments. In: ACM SIGGRAPH 2008 Classes, SIGGRAPH 2008, pp. 55:1–55:9. ACM, New York (2008)
Karamouzas, I., Overmars, M.: A velocity-based approach for simulating human collision avoidance. In: Safonova, A. (ed.) IVA 2010. LNCS (LNAI), vol. 6356, pp. 180–186. Springer, Heidelberg (2010)
Curtis, S., Snape, J., Manocha, D.: Way portals: efficient multi-agent navigation with line-segment goals. In: Proceedings of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, I3D 2012, pp. 15–22. ACM, New York (2012)
Sherstyuk, A., Kiyokawa, K.: Naviagtion maps for virtual travelers. In: Proceedings of the International Conference on Cyberworlds, Yokohama, Japan, pp. 175–178 (2013)
Flatland: The Homunculus Project at the Albuquerque High Performance Computing Center, AHPCC (2002), http://www.hpc.unm.edu/homunculus
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Sherstyuk, A., Kiyokawa, K. (2014). Collision-Free Navigation with Extended Terrain Maps. In: Gavrilova, M.L., Tan, C.J.K., Mao, X., Hong, L. (eds) Transactions on Computational Science XXIII. Lecture Notes in Computer Science, vol 8490. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-43790-2_8
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DOI: https://doi.org/10.1007/978-3-662-43790-2_8
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