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Controlling the entire path of a virtual camera

Published: 10 March 2006 Publication History

Abstract

This paper considers the design of a camera path through a scene. Given a valid set of keyframes for the camera, we want to build a camera path that avoids collisions with the scene. The first problem is to define a camera path that interpolates the keyframes. We build a rational interpolating motion using rational interpolation of both position and orientation. The second problem is to detect collisions of the planned path with the scene. A spatial decomposition is used to accelerate this detection. The third problem is to correct the path to avoid the detected collisions. Keyframes are added in the neighbourhood of the collision to correct the collision.

References

[1]
Ericson, Christer (2005) Real-Time Collision Detection. Morgan Kaufmann (New York).
[2]
Johnstone, J. and J. P. Williams (1995) Rational Control of Orientation for Animation. Graphics Interface '95, 179--186.
[3]
Johnstone, J. and J. P. Williams (1995) A Rational Model of the Surface Swept by a Curve. Eurographics '95, Computer Graphics Forum 14(3), 77--88.
[4]
Shoemake, K. (1985) Animating rotation with quaternion curves. SIGGRAPH '85, San Francisco, 19(3), 245--254.

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ACMSE '06: Proceedings of the 44th annual ACM Southeast Conference
March 2006
823 pages
ISBN:1595933158
DOI:10.1145/1185448
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 10 March 2006

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  1. camera control
  2. collision detection

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ACM SE06
ACM SE06: ACM Southeast Regional Conference
March 10 - 12, 2006
Florida, Melbourne

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ACMSE '06 Paper Acceptance Rate 100 of 244 submissions, 41%;
Overall Acceptance Rate 502 of 1,023 submissions, 49%

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