Versatile filtering for noisy Float, Vector2, Vector3, Vector4, and Quaternion data based on the state-of-the-art 1€ Filter algorithm.

by Zefwih

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The MoveFilter Unity asset, leveraging the 1€ Filter algorithm, provides a powerful and versatile solution for smoothing motion data across various vector types and quaternions.

The 1€ Filter (see [1]) is a highly accurate and responsive algorithm ideal for filtering noisy signals in interactive systems. For example, when handling or tracking noisy / jittering human input.

An impressive online implementation by Jonathan Aceituno is available for experimentation and demonstrates that the 1€ Filter outperforms other filtering approaches.

MoveFilter is designed to handle Float, Vector2, Vector3, Vector4, and Quaternion data, ensuring jitter-free and fluid motion for GameObjects.

This asset is ideal for developers looking to enhance the realism and quality of movements in their Unity projects, be it in animations, physics simulations, or user interactions. Its flexibility and ease of integration make it a valuable tool for novice and experienced Unity developers.


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For further reading and scientific background, see:

  1. Casiez, G., Roussel, N. and Vogel, D. (2012). 1€ Filter: A Simple Speed-based Low-pass Filter for Noisy Input in Interactive Systems. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '12). Austin, Texas (May 5-12, 2012). New York: ACM Press, pp. 2527-2530.