From ce31f1611f03255be2c9db74690fec1637da7ca8 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Mon, 14 Sep 2026 15:28:19 +0200
Subject: feat(engine): add Matrix::to_column_major fn

---
 engine/src/data_types/matrix.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/engine/src/data_types/matrix.rs b/engine/src/data_types/matrix.rs
index ef263a1..9ab5bd4 100644
--- a/engine/src/data_types/matrix.rs
+++ b/engine/src/data_types/matrix.rs
@@ -61,6 +61,23 @@ impl<Value, const ROWS: usize, const COLUMNS: usize> Matrix<Value, ROWS, COLUMNS
     {
         &self.items.as_flattened()
     }
+
+    pub fn to_column_major(&self) -> [[Value; ROWS]; COLUMNS]
+    where
+        Value: Default + Clone,
+    {
+        let mut transposed = std::array::from_fn::<_, COLUMNS, _>(|_| {
+            std::array::from_fn::<_, ROWS, _>(|_| Value::default())
+        });
+
+        for (row_index, row) in self.items.iter().enumerate() {
+            for (column_index, item) in row.iter().enumerate() {
+                transposed[column_index][row_index] = item.clone();
+            }
+        }
+
+        transposed
+    }
 }
 
 impl<Value, const ROWS: usize, const COLUMNS: usize> Default
-- 
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