Parse fornax format to generate the images

Switched to PNG because SVGs were larger in this case. Also, video
will be created with `ffmpeg` so it's just easier to use PNGs.

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/Fornax/Hex2RGB.rakumod b/lib/Fornax/Hex2RGB.rakumod
new file mode 100644
index 0000000..aa77739
--- /dev/null
+++ b/lib/Fornax/Hex2RGB.rakumod
@@ -0,0 +1,8 @@
+#| Takes hex value and returns RGB equivalent.
+sub hex2rgb(Str $hex --> List) is export {
+    # Skip the first character, group each by 2 and parse as base 16.
+    # Divide by 255 to return value between 0, 1.
+    $hex.comb.skip.rotor(2).map(
+        *.join.parse-base(16) / 255
+    )>>.Rat
+}