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Heiko Drewes, Müller, Evelyn, Sylvia Rothe, Heinrich Hussmann
Gaze-Based Interaction for Interactive Storytelling in VR
International Conference on Augmented Reality, Virtual Reality and Computer Graphics AVR 2021 (bib)

Interactive stories in Virtual Reality need a way of making decisions that influence the further progress of the story. The decision making should be easy and should not disturb the feeling of presence in the virtual world. As many virtual reality glasses come with an integrated eye tracker, it suggests itself to use gaze for making the decisions. We created an interactive story and implemented three different gaze interaction methods, which we evaluated in a user study with 24 participants. The three interaction methods used a dwell-time mechanism, one with a gaze button, one with a texture change of the object looked at, and one method without any feedback. The texture change was the favorite of the users, however, the choice of the interaction method may also depend on the intended dramaturgy and aesthetic aspects of the story.