Increasing the Effectiveness of Impossible Spaces in Virtual Environments Using Moving Textures

Devenny, Dylan (2019) Increasing the Effectiveness of Impossible Spaces in Virtual Environments Using Moving Textures. Undergraduate thesis, under the direction of J. Adam Jones from Computer and Information Science, The University of Mississippi.

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Abstract

This study looks to examine a method of overcoming the limitations caused by the size of a physical tracking area in virtual reality environments known as impossible spaces and attempt to improve its efficiency by altering the texture flow of the virtual environment. The experiment involves running participants through a series of small buildings consisting of two rooms in which the percentage of overlap between the two rooms and the ratio of texture movement to user movement (corresponding to textural ow conditions) differs from trial to trial and asking participants to make a judgement of whether or not the environment is possible in the real world or impossible. The study found that a 50% slower condition increased the point of subjective equality by an overlap percentage of 2.88%, a 150% slower condition increased the point of subjective equality by 4.51%, a 50% faster condition decreased the point of subjective equality by 0.92%, and a 150% condition decreased the point of subjective equality by 1.82%. The results found in this study have led to the conclusion that increased textural flow increases sensitivity to overlap by making the distance between the rooms feel smaller, while decreased flow decreases sensitivity by making the distance between the rooms feel larger.

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