Download - Interaction Design
Interacting with Virtual
World
Interface Metaphors
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Use metaphors have become ubiquitous in the society
Representation metaphors
Manipulation
Manipulation
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1. Direct user control
2. Physical control
3. Virtual control
4. Agent Control
ManipulationClick icon to add picture
1. Direct user control
2. Physical control
3. Virtual control
4. Agent Control
ManipulationClick icon to add picture
1. Direct user control
2. Physical control
3. Virtual control
4. Agent Control
ManipulationClick icon to add picture
1. Direct user control
2. Physical control
3. Virtual control
4. Agent Control
Properties of Manipulation1. Feedback2. Ratcheting3. Constraints4. Distance5. Pointer beam scope6. Hysteresis7. Frame of reference8. Bimanual interface9. Control location10.Control visibility11.Movement formula (control order and gain)
Feedback - Haptic
Constraints – 6DOF
Distance – too far
Pointer beam scope – reach far distance
Control visibility
Movement formula (control order and gain)
Ratcheting – Continuous movement (mouse)
Bimanual Interface – More than one hand