From a002b93d860887a219aa40d7a5cc65fc3a5272c1 Mon Sep 17 00:00:00 2001
From: Hugo Locurcio <hugo.locurcio@hugo.pro>
Date: Fri, 24 Jan 2020 13:51:25 +0100
Subject: Add explanations for errors related to Vector/Quat normalization

---
 core/math/vector2.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'core/math/vector2.h')

diff --git a/core/math/vector2.h b/core/math/vector2.h
index 351c974cf3..1dec830821 100644
--- a/core/math/vector2.h
+++ b/core/math/vector2.h
@@ -242,7 +242,7 @@ Vector2 Vector2::linear_interpolate(const Vector2 &p_b, real_t p_t) const {
 
 Vector2 Vector2::slerp(const Vector2 &p_b, real_t p_t) const {
 #ifdef MATH_CHECKS
-	ERR_FAIL_COND_V(!is_normalized(), Vector2());
+	ERR_FAIL_COND_V_MSG(!is_normalized(), Vector2(), "The start Vector2 must be normalized.");
 #endif
 	real_t theta = angle_to(p_b);
 	return rotated(theta * p_t);
-- 
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