From 3482c5b8a5d351f0eaa44333e0446a1f731a0749 Mon Sep 17 00:00:00 2001
From: celyk <humanimations10@gmail.com>
Date: Sun, 6 Jul 2025 18:15:27 +1000
Subject: [PATCH 1/4] Add vector length node

---
 node-graph/gmath-nodes/src/lib.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/node-graph/gmath-nodes/src/lib.rs b/node-graph/gmath-nodes/src/lib.rs
index c4d1b9a1b..fe9812afb 100644
--- a/node-graph/gmath-nodes/src/lib.rs
+++ b/node-graph/gmath-nodes/src/lib.rs
@@ -612,6 +612,11 @@ fn dot_product(_: impl Ctx, vector_a: DVec2, vector_b: DVec2) -> f64 {
 	vector_a.dot(vector_b)
 }
 
+#[node_macro::node(category("Math: Vector"))]
+fn length(_: impl Ctx, vector: DVec2) -> f64 {
+	vector.length()
+}
+
 #[cfg(test)]
 mod test {
 	use super::*;
@@ -625,6 +630,12 @@ mod test {
 		assert_eq!(dot_product((), vector_a, vector_b), 11.);
 	}
 
+	#[test]
+	pub fn length_function() {
+		let vector = DVec2::new(3., 4.);
+		assert_eq!(length((), vector), 5.);
+	}
+
 	#[test]
 	fn test_basic_expression() {
 		let result = math((), 0., "2 + 2".to_string(), 0.);

From a337a52c1ef307d6bf8d310c26bd44458c699da7 Mon Sep 17 00:00:00 2001
From: celyk <humanimations10@gmail.com>
Date: Sun, 6 Jul 2025 18:52:18 +1000
Subject: [PATCH 2/4] Add normalize node

---
 node-graph/gmath-nodes/src/lib.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/node-graph/gmath-nodes/src/lib.rs b/node-graph/gmath-nodes/src/lib.rs
index fe9812afb..b4d76432c 100644
--- a/node-graph/gmath-nodes/src/lib.rs
+++ b/node-graph/gmath-nodes/src/lib.rs
@@ -617,6 +617,11 @@ fn length(_: impl Ctx, vector: DVec2) -> f64 {
 	vector.length()
 }
 
+#[node_macro::node(category("Math: Vector"))]
+fn normalize(_: impl Ctx, vector: DVec2) -> DVec2 {
+	vector.normalize()
+}
+
 #[cfg(test)]
 mod test {
 	use super::*;

From 592d6bfcbd7b4fb6644b0fea45908cd3852e99c0 Mon Sep 17 00:00:00 2001
From: celyk <humanimations10@gmail.com>
Date: Sun, 6 Jul 2025 19:10:18 +1000
Subject: [PATCH 3/4] Add comments

---
 node-graph/gmath-nodes/src/lib.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/node-graph/gmath-nodes/src/lib.rs b/node-graph/gmath-nodes/src/lib.rs
index b4d76432c..f76cba4aa 100644
--- a/node-graph/gmath-nodes/src/lib.rs
+++ b/node-graph/gmath-nodes/src/lib.rs
@@ -612,11 +612,13 @@ fn dot_product(_: impl Ctx, vector_a: DVec2, vector_b: DVec2) -> f64 {
 	vector_a.dot(vector_b)
 }
 
+/// Gets the length or magnitude of a vector.
 #[node_macro::node(category("Math: Vector"))]
 fn length(_: impl Ctx, vector: DVec2) -> f64 {
 	vector.length()
 }
 
+/// Scales the input vector to unit length while preserving it's direction. This is equivalent to dividing the input vector by it's own magnitude.
 #[node_macro::node(category("Math: Vector"))]
 fn normalize(_: impl Ctx, vector: DVec2) -> DVec2 {
 	vector.normalize()

From 7de13aca3e0fb8e46756d80b67cdc4a5ffb413e4 Mon Sep 17 00:00:00 2001
From: celyk <humanimations10@gmail.com>
Date: Sun, 6 Jul 2025 19:40:14 +1000
Subject: [PATCH 4/4] Make normalize node safer for the user

---
 node-graph/gmath-nodes/src/lib.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/node-graph/gmath-nodes/src/lib.rs b/node-graph/gmath-nodes/src/lib.rs
index f76cba4aa..1019506bd 100644
--- a/node-graph/gmath-nodes/src/lib.rs
+++ b/node-graph/gmath-nodes/src/lib.rs
@@ -619,9 +619,11 @@ fn length(_: impl Ctx, vector: DVec2) -> f64 {
 }
 
 /// Scales the input vector to unit length while preserving it's direction. This is equivalent to dividing the input vector by it's own magnitude.
+///
+/// Returns zero when the input vector is zero.
 #[node_macro::node(category("Math: Vector"))]
 fn normalize(_: impl Ctx, vector: DVec2) -> DVec2 {
-	vector.normalize()
+	vector.normalize_or_zero()
 }
 
 #[cfg(test)]