Three approaches to portable versions

I spent some time thinking about approaches to the portable version today. I Identified three approaches, listed here in order of user involvement.

 

"Least involvement":

  1. User pushes a "begin" button
  2. The device samples the current GPS location
  3. A virtual landscape with a PRE-DEFINED perimeter unfolds automatically around this location
  4. The user is free to explore this FIXED-SIZE virtual layer with no further on-screen interaction
    • The device constantly samples the current GPS location; triggering sounds within the virtual perimeter

"Moderate involvement"

  1. User pushes a "begin" button
  2. User uses an on-screen (global) map to manually peg-out the perimeter of their portable version
    • first zooming into their country, then region, etc
    • finally dropping four (or more) virtual "corner-flags" on a map of their chosen area
  3. A virtual landscape is scaled and shifted to fit within the USER-DEFINED perimeter
  4. The user is free to explore this SCALED-AND-SHIFTED virtual layer with no further on-screen interaction
    • The device constantly samples the current GPS location; triggering sounds within the virtual perimeter

"Most involvement"

  1. User pushes a "begin" button
  2. User physically walks to four locations to define the perimeter of their portable version
    • the user must push a button to sample the GPS position at each "corner flag"
    • when this process is finished, the perimeter and centre position can be calculated
  3. A virtual landscape is scaled and shifted to fit within the USER-DEFINED perimeter
  4. The user is free to explore this SCALED-AND-SHIFTED virtual layer
    • The device constantly samples the current GPS location; triggering sounds within the virtual perimeter

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