Sketching for military courses of action diagrams
Proceedings of the 8th international conference on Intelligent user interfaces
Sketchpad: a man-machine graphical communication system
AFIPS '63 (Spring) Proceedings of the May 21-23, 1963, spring joint computer conference
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As real time strategy games are becoming increasingly complex and large scale, new interaction methods need to be explored to overcome the limitations found in conventional interaction methods. This paper explores sketching as an interaction technique, and discusses some of the advantages and disadvantages of sketching for spatial tasks, which are common in real time strategy games. The paper describes two novel sketch interaction techniques for giving precise orders to units - a technique for selecting groups of units, and a technique for specifying movement paths. The paper reports on a user study to evaluate these techniques. Our results show no significant time advantage for sketching when selecting groups of units, however the results for sketching movement paths suggest the sketching technique is faster.