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-rw-r--r--core/math/vector2.h2
1 files changed, 1 insertions, 1 deletions
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);