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The Computer Games Journal
Published in: The Computer Games Journal 1/2019

19-11-2018

Frequency Spectra Filtering for Perlin Noise

Author: Mark Bennett

Published in: The Computer Games Journal | Issue 1/2019

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Abstract

The procedural generation of terrain with coherent noise is a useful technique but limited in the range and realism of the terrains it can output. Often the results are repetitive. The aim of this paper is to present a method of parameterizing control of the frequency spectra of multi-octave Perlin noise allowing a greater range of terrain characteristics. The frequency spectra of the noise function are selectively attenuated with the use of a cosine function. The parameters are used to control the phase and frequency of the cosine function allowing a wide range of complex spectral characteristics of the noise function to be modulated. The result is that a more varied selection of terrain types can be generated than the standard algorithm alone. The work may be improved upon by using automated control of the filter parameters and adding additional parameters.
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Appendix
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Metadata
Title
Frequency Spectra Filtering for Perlin Noise
Author
Mark Bennett
Publication date
19-11-2018
Publisher
Springer New York
Published in
The Computer Games Journal / Issue 1/2019
Electronic ISSN: 2052-773X
DOI
https://doi.org/10.1007/s40869-018-0074-7

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