VeeR: 設計有別於真實動態的 VR 動態路徑，創造更具娛樂性的 VR 體驗

Abstract

本研究探討在虛擬實境（VR）中，如何設計與使用者真實動態不同的運動路徑，並將日常交通移動（如地鐵、火車、汽車）轉化為更具娛樂性的 VR 體驗。此概念與過去多強調 VR 運動路徑與車輛物理運動精確同步的 In-Car VR 研究有所不同。本研究的主要目標在於瞭解使用者在左右轉向（yaw）與上下俯仰（pitch）時，對不同轉向速率與方向的喜好，以及探討在加速、巡航與減速三個階段中偏好的動態感知體驗。為此，我們首先進行了一項感知性研究（n=24），於捷運列車的直線行駛情境中進行 VR 動態體驗評估（n=18）。結果顯示，參與者偏好較高的轉向速率設計，並且在加速階段偏好向上俯仰、減速階段則偏好向下俯仰的動態體驗。儘管轉向設計可能降低部分舒適度，卻能顯著提升沉浸感（p<.01）與娛樂性（p<.001），進而增進整體體驗；在綜合舒適度考量後，89% 的參與者仍表示偏好包含此轉向設計的 VR 動態體驗。

This paper explores the feasibility of deliberately designing VR motion that diverges from users’ physical movements to turn mundane, everyday transportation motion (e.g., metros, trains, and cars) into more entertaining VR motion experiences, in contrast to prior car-based VR approaches that synchronize VR motion to physical car movement exactly. To gain insight into users’ preferences for veering rate and veering direction for turning (left/right) and pitching (up/down) during the three phases of acceleration (accelerating, cruising, and decelerating), we conducted a formative, perceptual study (n=24) followed by a VR experience evaluation (n=18), all conducted on metro trains moving in a mundane, straight-line motion. Results showed that participants preferred relatively high veering rates, and preferred pitching upward during acceleration and downward during deceleration. Furthermore, while veering decreased comfort as expected, it significantly enhanced immersion (p<.01) and entertainment (p<.001) and the overall experience, with comfort being considered, was preferred by 89% of participants.