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Posts from ‘October, 2004’

Updated Street Grid Demo

Oct 25th, 2004
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I’ve built up the street grid app into a proper demonstration of the Infinicity system. This is a small application demostrating a persistent, infinite virtual space based on psuedorandom numbers. At any given moment, the app only knows about 9 grid units, each of which forms its streets independant of each of the other grid units, yeilding a bottom-up generation of street patterns.

Walking in any direction causes the program to move the existing grid units and generate three new ones. Walking more three or more grid units in any direction will result in an entirely new set of 9 grid units. However, since the generative process is based on pseudorandom numbers seeded with the world coordinates of the grid unit, returning to the same place will cause the exact same pattern to be re-spawned.

If you’d like to try it out for yourself, you can download a zip here.

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Street Grid Demo

Oct 6th, 2004
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I’ve made a small demo app to experiment with local methods to generate streets for the Infinicity project with interim results at left. The approach the program takes is based on:

  • a randomized number of nodes per edge
  • a randomized (though so far hard-wired at 2) number of internal nodes per grid unit
  • creating edges between the internal nodes
  • creating edges between each edge node and the closest internal node

In the real app, the randomization of the edge nodes (both in number and placement) will be based on a simple mathematical combination of the coordinates of the edge vertices, causing neighboring grid units to line up with each other without any direct connection. This is implemented, but disabled in the above app, in order to get a better feel for the variations produced by the process.

If you’d like to see the demo in action, you can download it here.

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