From 2bcc12b096cb88dc151c3ceaba45cbe836b18875 Mon Sep 17 00:00:00 2001
From: Timo van Veen <104511421+TimovVeen@users.noreply.github.com>
Date: Mon, 3 Jul 2023 15:38:16 +0200
Subject: [PATCH] Use .lengthSqr() for compare operations (#4827)

- Optimisations to some of Create's vector math shortcuts
---
 .../com/simibubi/create/foundation/utility/VecHelper.java   | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/main/java/com/simibubi/create/foundation/utility/VecHelper.java b/src/main/java/com/simibubi/create/foundation/utility/VecHelper.java
index e92d79f31..188a8e07e 100644
--- a/src/main/java/com/simibubi/create/foundation/utility/VecHelper.java
+++ b/src/main/java/com/simibubi/create/foundation/utility/VecHelper.java
@@ -187,7 +187,7 @@ public class VecHelper {
 	}
 
 	public static Vec3 clamp(Vec3 vec, float maxLength) {
-		return vec.length() > maxLength ? vec.normalize()
+		return vec.lengthSqr() > maxLength * maxLength ? vec.normalize()
 			.scale(maxLength) : vec;
 	}
 
@@ -226,7 +226,7 @@ public class VecHelper {
 	public static Vec3 intersectSphere(Vec3 origin, Vec3 lineDirection, Vec3 sphereCenter, double radius) {
 		if (lineDirection.equals(Vec3.ZERO))
 			return null;
-		if (lineDirection.length() != 1)
+		if (lineDirection.lengthSqr() != 1)
 			lineDirection = lineDirection.normalize();
 
 		Vec3 diff = origin.subtract(sphereCenter);
@@ -319,7 +319,7 @@ public class VecHelper {
 			return null;
 		if (intersect[0] < 0 || intersect[1] < 0)
 			return null;
-		if (intersect[0] > pDiff.length() || intersect[1] > qDiff.length())
+		if (intersect[0] * intersect[0] > pDiff.lengthSqr() || intersect[1] * intersect[1] > qDiff.lengthSqr())
 			return null;
 		return intersect;
 	}