From b893b29d7be4fadb563187d2c6ed20865686aeff Mon Sep 17 00:00:00 2001
From: Akshay Nair <phenax5@gmail.com>
Date: Sat, 6 Jun 2026 23:47:38 +0530
Subject: Add another viz

---
 README.md      |   5 ++++-
 media/rave.gif | Bin 0 -> 1671479 bytes
 src/rave.sql   |  32 ++++++++++++++++++++++++++++++++
 3 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 media/rave.gif
 create mode 100644 src/rave.sql

diff --git a/README.md b/README.md
index 95b047c..d80269a 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,10 @@ Generating some visuals with SQL because nobody stopped me. With the magic of [r
       <h3><a href="./src/wavey.sql">Wavey</a></h3>
       <img src="media/wavey.gif" />
     </td>
-    <td width="50%" valign="top"></td>
+    <td width="50%" valign="top">
+      <h3><a href="./src/rave.sql">Trigo - the blood dragon remix</a></h3>
+      <img src="media/rave.gif" />
+    </td>
   </tr>
 </table>
 
diff --git a/media/rave.gif b/media/rave.gif
new file mode 100644
index 0000000..dfe2b29
Binary files /dev/null and b/media/rave.gif differ
diff --git a/src/rave.sql b/src/rave.sql
new file mode 100644
index 0000000..84cca9e
--- /dev/null
+++ b/src/rave.sql
@@ -0,0 +1,32 @@
+INSERT OR REPLACE INTO videos (id, width, height, fps) VALUES ('rave', 400, 400, 10) RETURNING id;
+
+WITH RECURSIVE
+  video AS (SELECT * FROM videos WHERE id = 'rave'),
+  _frames(frame) AS (
+    SELECT 1 UNION ALL
+    SELECT frame + 1 FROM _frames, video WHERE frame < 50
+  )
+INSERT INTO images (id, width, height, frame, video_id) SELECT CONCAT('rave/', frame), width, height, frame, 'rave' FROM _frames, video;
+
+WITH RECURSIVE
+  video AS (SELECT * FROM videos WHERE id = 'rave'),
+  horizontal(x) AS (SELECT width FROM video UNION ALL SELECT x - 1 FROM horizontal WHERE x > 1),
+  vertical(y) AS (SELECT height FROM video UNION ALL SELECT y - 1 FROM vertical WHERE y > 1),
+  _frames(id, frame) AS (SELECT id, frame FROM images WHERE video_id = (SELECT id FROM video)),
+  _pixels(frame_id, x, y, r, g, b) AS
+    (SELECT
+      frames_id,
+      x, y,
+      ROUND(255 * value)*middle,
+      ROUND(20 * value),
+      ROUND(180 * value)*(NOT middle) + 75
+    FROM (SELECT *,
+        _frames.id AS frames_id,
+        (CASE
+          WHEN SIN((x - 200.0)*(x - 200.0)*0.0004) + TAN((y - 200.0)*(y - 200.0)*0.0004) - 0.1 < COS((10.0 + frame)*(x - 200.0)/(y - 200.0)) THEN 1.0
+          ELSE 0.0
+        END) AS value,
+        (y > 140 AND y < 260) AS middle
+      FROM vertical, horizontal, _frames)
+  )
+INSERT INTO pixels (image_id, x, y, r, g, b) SELECT frame_id, x, y, r, g, b FROM _pixels;
-- 
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