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Renaming shine to raindrop, which makes more sense

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Rezmason
2022-09-16 16:02:06 -07:00
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@@ -51,7 +51,7 @@ The following the criteria that guided the development process:
- **Make it look sweet in 3D, too.** To facilitate future support of stereoscopic and holographic displays, it made sense to nail down a 3D variation, but it looks pretty on any kind of display.
- **The 2D glyphs are in a *fixed grid* and *don't move*.** The "raindrops" we see in the effect are simply waves of illumination of stationary symbols that occupy a column. To get a better look at this, try setting the `fallSpeed` to a number close to 0.
- **Get the glow and color right.** Matrix symbols aren't just some shade of phosphorous green; they're first given a bloom effect, and then get tone-mapped to the green color palette.
- **Multiple "raindrops" often occupy the same column.** This is complicated, because we can't allow them to collide. A useful approach to thinking about this is, each column's glyph brightness is a kind of [sawtooth wave](http://mathworld.wolfram.com/SawtoothWave.html), where the width of the teeth subtly fluctuate to keep things interesting.
- **Multiple "raindrops" often occupy the same column.** This is complicated, because we can't allow them to collide. The solution in this project is to model each column's glyph brightness is a kind of [sawtooth wave](http://mathworld.wolfram.com/SawtoothWave.html), where the width of the teeth subtly fluctuate to keep things interesting. The tips of those teeth— the cells in the grid where the sawtooth dips— are where we put the "cursors" (or "tracers") at the bottom of each raindrop.
- **Capture the glyph cycling sequence.** The symbols in the sequels' opening titles, which are arguably the highest quality versions of the 2D effect, change according to a repeating sequence (see `glyph order.txt`). This is only a technical detail, and only applies to *Reloaded* and *Revolutions*— everyplace else, the symbols change randomly.
- **Whip up some artistic license and depict the *previous* Matrix versions.** The sequels describe [a paradisiacal predecessor](https://rezmason.github.io/matrix?version=paradise) to the Matrix that was too idyllic, [and another earlier, nightmarish Hobbesian version](https://rezmason.github.io/matrix?version=nightmare) that proved too campy. They depict some programs running older, differently colored code, so it's time someone tried rendering them.
- **Heck, try building some homemade varieties that have nothing to do with the franchise.** See the list of links above for the full set of available versions.