Bringing physics to the surface

  • Wilson A
  • Izadi S
  • Hilliges O
 et al. 
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This paper explores the intersection of emerging surface technologies, capable of sensing multiple contacts and of- ten shape information, and advanced games physics en- gines. We define a technique for modeling the data sensed from such surfaces as input within a physics simulation. This affords the user the ability to interact with digital ob- jects in ways analogous to manipulation of real objects. Our technique is capable of modeling both multiple contact points and more sophisticated shape information, such as the entire hand or other physical objects, and of mapping this user input to contact forces due to friction and col li- sions within the physics simulation. This enables a variety of fine-grained and casual interactions, supporting finge er- based, whole-hand, and tangible input. We demonstrate how our technique can be used to add real-world dynamics to interactive surfaces such as a vision-based tablet op, creating a fluid and natural experience. Our approach hid es from application developers many of the complexities in he- rent in using physics engines, allowing the creation of ap- plications without preprogrammed interaction behavior or gesture recognition.

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  • Andrew D. Wilson

  • Shahram Izadi

  • Otmar Hilliges

  • Armando Garcia-Mendoza

  • David Kirk

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