Evaluating the Authoring Complexity of Interactive Narratives with Interactive Behaviour Trees
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چکیده
1. INTERACTIVE BEHAVIOR TREES Interactive Behavior Trees (IBT’s) address challenges in traditional Behavior Tree representations by facilitating freeform user interaction and state persistence. IBT’s, as illustrated in Fig. 1(a) are divided into 3 independent sub-trees that are connected using a Parallel control node. An IBT tIBT = 〈tui, tstate, tnarr = {t i |t 1 . . . t m }, β〉 where: (1) tnarr is the narrative definition with modular story arcs {ai}, each with their own independent subtree {t i }. (2) tui processes the user interactions. Fig. 1(b) illustrates the story subtree. (3) tstate monitors the state of the story to determine if the current story arc needs to be changed. Fig. 1(b) illustrates the story subtree. (4) β stores the state of the story and its characters.
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