Add explanations for errors related to Vector/Quat normalization

1 files changed, 2 insertions, 2 deletions

diff --git a/core/math/vector3.h b/core/math/vector3.h
index 9bf7c41729..4ad3017109 100644
--- a/core/math/vector3.h
+++ b/core/math/vector3.h
@@ -454,7 +454,7 @@ void Vector3::zero() {
 // slide returns the component of the vector along the given plane, specified by its normal vector.
 Vector3 Vector3::slide(const Vector3 &p_normal) const {
 #ifdef MATH_CHECKS
-	ERR_FAIL_COND_V(!p_normal.is_normalized(), Vector3());
+	ERR_FAIL_COND_V_MSG(!p_normal.is_normalized(), Vector3(), "The normal Vector3 must be normalized.");
 #endif
 	return *this - p_normal * this->dot(p_normal);
 }
@@ -465,7 +465,7 @@ Vector3 Vector3::bounce(const Vector3 &p_normal) const {
 
 Vector3 Vector3::reflect(const Vector3 &p_normal) const {
 #ifdef MATH_CHECKS
-	ERR_FAIL_COND_V(!p_normal.is_normalized(), Vector3());
+	ERR_FAIL_COND_V_MSG(!p_normal.is_normalized(), Vector3(), "The normal Vector3 must be normalized.");
 #endif
 	return 2.0 * p_normal * this->dot(p_normal) - *this;
 }