GPU Pro 6

4

I

Realistic Volumetric Explosions

in Games

Alex Dunn

4.1 Introduction

In games, explosions can provide some of the most visually astounding effects.

This article presents an extension of well-known ray-marching [Green 05] tech-

niques for volume rendering fit for modern GPUs, in an attempt to modernize

the emulation of explosions in games

Realism massively affects the user’s level of immersion within a game, and

previous methods for rendering explosions have always lagged behind that of

production quality [Wrennige and Zafar 11]. Traditionally, explosions in games

are rendered using mass amounts of particles, and while this method can look

good from a static ...