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-rw-r--r--examples/circle.sql18
1 files changed, 0 insertions, 18 deletions
diff --git a/examples/circle.sql b/examples/circle.sql
deleted file mode 100644
index 46874cc..0000000
--- a/examples/circle.sql
+++ /dev/null
@@ -1,18 +0,0 @@
-DELETE FROM images WHERE id = 'circle';
-INSERT INTO images (id, width, height) VALUES ('circle', 200, 200) RETURNING id;
-
-WITH RECURSIVE
- image AS (SELECT * FROM images WHERE id = 'circle'),
- circle AS (SELECT width/2 AS cx, height/2 AS cy, 80 AS radius FROM image),
- horizontal(x) AS
- (SELECT width FROM image UNION ALL SELECT x - 1 FROM horizontal WHERE x > 1),
- vertical(y) AS
- (SELECT height FROM image UNION ALL SELECT y - 1 FROM vertical WHERE y > 1),
- _pixels(x, y, r, g, b) AS (SELECT
- x, y,
- 150,
- 255 * MAX(0, MIN(1, (SELECT POW(x - cx, 2) + POW(y - cy, 2) - POW(radius, 2) FROM circle))),
- 150
- FROM vertical, horizontal
- )
-INSERT INTO pixels (image_id, x, y, r, g, b) SELECT 'circle', x, y, r, g, b FROM _pixels;