From 1b97c989db40a7b4357a789f943f7bdfec471dcb Mon Sep 17 00:00:00 2001
From: Paul Mathieu <paul@ponteilla.net>
Date: Thu, 13 Feb 2025 22:16:34 +0100
Subject: [PATCH] Add missing quaternion dot product

---
 skycraft/quat.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/skycraft/quat.ts b/skycraft/quat.ts
index 3dc2417..d29895d 100644
--- a/skycraft/quat.ts
+++ b/skycraft/quat.ts
@@ -122,3 +122,7 @@ export function scale(q: Quat, a: number): Quat {
         w: a * q.w,
     };
 }
+
+export function dot(q0: Quat, q1: Quat): number {
+    return q0.x*q1.x + q0.y*q1.y + q0.z*q1.z + q0.w*q1.w;
+}