Spherical billboards and their application to rendering explosions

  • Authors:
  • Tamás Umenhoffer;László Szirmay-Kalos;Gábor Szijártó

  • Affiliations:
  • Budapest University of Technology, Hungary;Budapest University of Technology, Hungary;Budapest University of Technology, Hungary

  • Venue:
  • GI '06 Proceedings of Graphics Interface 2006
  • Year:
  • 2006

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Abstract

This paper proposes an improved billboard rendering method that splats particles as aligned quadrilaterals similarly to previous techniques, but takes into account the spherical geometry of the particles during fragment processing. The new method can eliminate billboard clipping and popping artifacts of previous techniques, happening when the participating medium contains objects, or the camera flies into the volume. This paper also discusses how to use spherical billboards to render high detail explosions made of fire and smoke at high frame rates.