From 9fad151c2782366a948882e1ae6aa725ed155a18 Mon Sep 17 00:00:00 2001
From: "Danilo M." <danix@danix.xyz>
Date: Sat, 17 Oct 2026 13:12:57 +0200
Subject: island: corner position helper for the OBS webcam

---
 desktop/island/Logic.js | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'desktop/island/Logic.js')

diff --git a/desktop/island/Logic.js b/desktop/island/Logic.js
index 24458cd..e687ac1 100644
--- a/desktop/island/Logic.js
+++ b/desktop/island/Logic.js
@@ -71,3 +71,11 @@ function obsElapsed(ms) {
     const mmss = `${two(Math.floor(s / 60) % 60)}:${two(s % 60)}`;
     return h ? `${h}:${mmss}` : mmss;
 }
+
+// Top-left position for a w x h source on a W x H canvas with margin m, in one
+// of the four corners. Anything unrecognised reads as top-left.
+function cornerPos(corner, W, H, w, h, m) {
+    const right = corner === "tr" || corner === "br";
+    const bottom = corner === "bl" || corner === "br";
+    return { x: right ? W - w - m : m, y: bottom ? H - h - m : m };
+}
-- 
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