From 9687f6fca34813ec6e63029244a95caf6b793a45 Mon Sep 17 00:00:00 2001 From: Aaron Franke Date: Mon, 6 Apr 2020 04:34:18 -0400 Subject: Warn when using an AABB or Rect2 with a negative size --- core/math/aabb.cpp | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'core/math/aabb.cpp') diff --git a/core/math/aabb.cpp b/core/math/aabb.cpp index f3e78c0080..83726f46b5 100644 --- a/core/math/aabb.cpp +++ b/core/math/aabb.cpp @@ -46,6 +46,11 @@ bool AABB::operator!=(const AABB &p_rval) const { } void AABB::merge_with(const AABB &p_aabb) { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0 || size.z < 0 || p_aabb.size.x < 0 || p_aabb.size.y < 0 || p_aabb.size.z < 0)) { + ERR_PRINT("AABB size is negative, this is not supported. Use AABB.abs() to get an AABB with a positive size."); + } +#endif Vector3 beg_1, beg_2; Vector3 end_1, end_2; Vector3 min, max; @@ -72,6 +77,11 @@ bool AABB::is_equal_approx(const AABB &p_aabb) const { } AABB AABB::intersection(const AABB &p_aabb) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0 || size.z < 0 || p_aabb.size.x < 0 || p_aabb.size.y < 0 || p_aabb.size.z < 0)) { + ERR_PRINT("AABB size is negative, this is not supported. Use AABB.abs() to get an AABB with a positive size."); + } +#endif Vector3 src_min = position; Vector3 src_max = position + size; Vector3 dst_min = p_aabb.position; @@ -104,6 +114,11 @@ AABB AABB::intersection(const AABB &p_aabb) const { } bool AABB::intersects_ray(const Vector3 &p_from, const Vector3 &p_dir, Vector3 *r_clip, Vector3 *r_normal) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0 || size.z < 0)) { + ERR_PRINT("AABB size is negative, this is not supported. Use AABB.abs() to get an AABB with a positive size."); + } +#endif Vector3 c1, c2; Vector3 end = position + size; real_t near = -1e20; @@ -147,6 +162,11 @@ bool AABB::intersects_ray(const Vector3 &p_from, const Vector3 &p_dir, Vector3 * } bool AABB::intersects_segment(const Vector3 &p_from, const Vector3 &p_to, Vector3 *r_clip, Vector3 *r_normal) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0 || size.z < 0)) { + ERR_PRINT("AABB size is negative, this is not supported. Use AABB.abs() to get an AABB with a positive size."); + } +#endif real_t min = 0, max = 1; int axis = 0; real_t sign = 0; -- cgit v1.2.3