Real-time procedural volumetric fire

A. R. Fuller, Harinarayan Krishnan, Karim Mahrous, B. Hamann, K. Joy
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引用次数: 35

Abstract

We present a method for generating procedural volumetric fire in real time. By combining curve-based volumetric free-form deformation, hardware-accelerated volumetric rendering and Improved Perlin Noise or M-Noise we are able to render a vibrant and uniquely animated volumetric fire that supports bi-directional environmental macro-level interactivity. Our system is easily customizable by content artists. The fire is animated both on the macro and micro levels. Macro changes are controlled either by a prescripted sequence of movements, or by a realistic particle simulation that takes into account movement, wind, high-energy particle dispersion and thermal buoyancy. Micro fire effects such as individual flame shape, location, and flicker are generated in a pixel shader using three- to four-dimensional Improved Perlin Noise or M-Noise (depending on hardware limitations and performance requirements). Our method supports efficient collision detection, which, when combined with a sufficiently intelligent particle simulation, enables real-time bi-directional interaction between the fire and its environment. The result is a three-dimensional procedural fire that is easily designed and animated by content artists, supports dynamic interaction, and can be rendered in real time.
实时程序体积射击
提出了一种实时生成程序性体积火灾的方法。通过结合基于曲线的体积自由变形,硬件加速的体积渲染和改进的柏林噪声或m -噪声,我们能够渲染一个充满活力和独特的动画体积火,支持双向环境宏观层面的交互性。我们的系统很容易定制的内容艺术家。火在宏观和微观层面上都是活跃的。宏观变化要么由规定的运动序列控制,要么由考虑运动、风、高能粒子分散和热浮力的现实粒子模拟控制。微火效果,如单个火焰的形状,位置和闪烁是在像素着色器中使用三到四维改进柏林噪声或m -噪声(取决于硬件限制和性能要求)生成的。我们的方法支持有效的碰撞检测,当与足够智能的粒子模拟相结合时,可以实现火灾与其环境之间的实时双向交互。其结果是一个三维程序火焰,很容易由内容艺术家设计和动画,支持动态交互,并可以实时渲染。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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