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authorSadeep Madurange <sadeep@asciimx.com>2025-12-24 18:23:30 +0800
committerSadeep Madurange <sadeep@asciimx.com>2025-12-24 18:23:30 +0800
commitabf2ae336b780ac206e3f5d55b608703c9d807d5 (patch)
tree52766382d8caaca6d58dabc4d5007b0b74adcf47 /_log/matrix-digital-rain.md
parentc2268acff30886e2a0ee70d826293168a6d0068a (diff)
downloadwww-abf2ae336b780ac206e3f5d55b608703c9d807d5.tar.gz
Matrix
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@@ -13,10 +13,10 @@ stored in a dedicated array--still don't understand why I did that when I had
already used bit-packing for the RGB channels; The algorithm was difficult to
decipher. The 2022 version worked, but that’s not the same thing as correct.
-I began by placing the decay factor in the LSB of the 4-byte RGB value. Let's
-call that RGB-PD. PD plays a somewhat analogous role to an alpha channel in
-that both influence transparency. However, they work very differently. So, I
-avoided labelling it A so as not to cause confusion:
+I began by placing the decay factor in the LSB of the 4-byte RGB value. The PD
+value plays a somewhat analogous role to an alpha channel in that both
+influence transparency. However, they work very differently. So, I avoided
+labelling it A so as not to cause confusion:
```
enum {
@@ -94,8 +94,7 @@ The Unicode blocks are stored in 8-byte containers: the low four bytes form the
first codepoint and the high four bytes the last. Here, I chose bitwise
operations over unions because, first and foremost, the operations themselves
are trivial and idiomatic, and the UNICODE() macro simplifies the management of
-charsets. The insert_code() function is now ready to take its rightful place
-next to blend().
+charsets.
The init_term() function is the arbiter of this zero-dependency software. It
prepares the graphical environment so that I can interact with it via ANSI
@@ -124,10 +123,6 @@ static inline int init_term(const struct winsize *ws)
}
```
-All credit for the terminal control function belongs to Domsson, whose <a
-href="https://github.com/domsson/fakesteak" class="external" target="_blank"
-rel="noopener noreferrer">Fakesteak</a> inspired my own three years ago.
-
insert_code() seeds the Matrix, blend() creates the old monochrome CRT display
nostalgia, and ANSI control sequences paint the screen. The result is a digital
rain that captures the original Matrix aesthetic with high visual fidelity: