@inproceedings{AIIDE27501, author = {Gamage, Chathura and Pinto, Vimukthini and Stephenson, Matthew and Renz, Jochen}, title = {Physics-based task generation through causal sequence of physical interactions}, year = {2023}, isbn = {1-57735-883-X}, publisher = {AAAI Press}, url = {https://doi.org/10.1609/aiide.v19i1.27501}, doi = {10.1609/aiide.v19i1.27501}, abstract = {Performing tasks in a physical environment is a crucial yet challenging problem for AI systems operating in the real world. Physics simulation-based tasks are often employed to facilitate research that addresses this challenge. In this paper, first, we present a systematic approach for defining a physical scenario using a causal sequence of physical interactions between objects. Then, we propose a methodology for generating tasks in a physics-simulating environment using these defined scenarios as inputs. Our approach enables a better understanding of the granular mechanics required for solving physics-based tasks, thereby facilitating accurate evaluation of AI systems' physical reasoning capabilities. We demonstrate our proposed task generation methodology using the physics-based puzzle game Angry Birds and evaluate the generated tasks using a range of metrics, including physical stability, solvability using intended physical interactions, and accidental solvability using unintended solutions. We believe that the tasks generated using our proposed methodology can facilitate a nuanced evaluation of physical reasoning agents, thus paving the way for the development of agents for more sophisticated real-world applications.}, booktitle = {Proceedings of the Nineteenth AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment}, articleno = {6}, numpages = {11}, location = {Salt Lake City}, series = {AIIDE '23} }