diff options
author | Aaron Franke <arnfranke@yahoo.com> | 2020-04-06 04:34:18 -0400 |
---|---|---|
committer | Aaron Franke <arnfranke@yahoo.com> | 2021-11-30 18:27:58 -0600 |
commit | 9687f6fca34813ec6e63029244a95caf6b793a45 (patch) | |
tree | 9b14705349e8e150b440d8855194aa25d7d30e6a /core/math | |
parent | e223a9c12905b99bb1fe93a56ae634b34eadd359 (diff) |
Warn when using an AABB or Rect2 with a negative size
Diffstat (limited to 'core/math')
-rw-r--r-- | core/math/aabb.cpp | 20 | ||||
-rw-r--r-- | core/math/aabb.h | 30 | ||||
-rw-r--r-- | core/math/rect2.cpp | 10 | ||||
-rw-r--r-- | core/math/rect2.h | 82 |
4 files changed, 137 insertions, 5 deletions
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; diff --git a/core/math/aabb.h b/core/math/aabb.h index 02ce2501a0..81124002e2 100644 --- a/core/math/aabb.h +++ b/core/math/aabb.h @@ -132,6 +132,11 @@ public: }; inline bool AABB::intersects(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 if (position.x >= (p_aabb.position.x + p_aabb.size.x)) { return false; } @@ -155,6 +160,11 @@ inline bool AABB::intersects(const AABB &p_aabb) const { } inline bool AABB::intersects_inclusive(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 if (position.x > (p_aabb.position.x + p_aabb.size.x)) { return false; } @@ -178,6 +188,11 @@ inline bool AABB::intersects_inclusive(const AABB &p_aabb) const { } inline bool AABB::encloses(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; @@ -288,6 +303,11 @@ bool AABB::inside_convex_shape(const Plane *p_planes, int p_plane_count) const { } bool AABB::has_point(const Vector3 &p_point) 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 if (p_point.x < position.x) { return false; } @@ -311,6 +331,11 @@ bool AABB::has_point(const Vector3 &p_point) const { } inline void AABB::expand_to(const Vector3 &p_vector) { +#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 begin = position; Vector3 end = position + size; @@ -377,6 +402,11 @@ inline real_t AABB::get_shortest_axis_size() const { } bool AABB::smits_intersect_ray(const Vector3 &p_from, const Vector3 &p_dir, real_t t0, real_t t1) 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 divx = 1.0 / p_dir.x; real_t divy = 1.0 / p_dir.y; real_t divz = 1.0 / p_dir.z; diff --git a/core/math/rect2.cpp b/core/math/rect2.cpp index f64bf560c8..0e6127b017 100644 --- a/core/math/rect2.cpp +++ b/core/math/rect2.cpp @@ -35,6 +35,11 @@ bool Rect2::is_equal_approx(const Rect2 &p_rect) const { } bool Rect2::intersects_segment(const Point2 &p_from, const Point2 &p_to, Point2 *r_pos, Point2 *r_normal) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0)) { + ERR_PRINT("Rect2 size is negative, this is not supported. Use Rect2.abs() to get a Rect2 with a positive size."); + } +#endif real_t min = 0, max = 1; int axis = 0; real_t sign = 0; @@ -95,6 +100,11 @@ bool Rect2::intersects_segment(const Point2 &p_from, const Point2 &p_to, Point2 } bool Rect2::intersects_transformed(const Transform2D &p_xform, const Rect2 &p_rect) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0 || p_rect.size.x < 0 || p_rect.size.y < 0)) { + ERR_PRINT("Rect2 size is negative, this is not supported. Use Rect2.abs() to get a Rect2 with a positive size."); + } +#endif //SAT intersection between local and transformed rect2 Vector2 xf_points[4] = { diff --git a/core/math/rect2.h b/core/math/rect2.h index 26e202589d..7029204cf1 100644 --- a/core/math/rect2.h +++ b/core/math/rect2.h @@ -49,6 +49,11 @@ struct Rect2 { _FORCE_INLINE_ Vector2 get_center() const { return position + (size * 0.5); } inline bool intersects(const Rect2 &p_rect, const bool p_include_borders = false) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0 || p_rect.size.x < 0 || p_rect.size.y < 0)) { + ERR_PRINT("Rect2 size is negative, this is not supported. Use Rect2.abs() to get a Rect2 with a positive size."); + } +#endif if (p_include_borders) { if (position.x > (p_rect.position.x + p_rect.size.width)) { return false; @@ -81,6 +86,11 @@ struct Rect2 { } inline real_t distance_to(const Vector2 &p_point) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0)) { + ERR_PRINT("Rect2 size is negative, this is not supported. Use Rect2.abs() to get a Rect2 with a positive size."); + } +#endif real_t dist = 0.0; bool inside = true; @@ -117,6 +127,11 @@ struct Rect2 { bool intersects_segment(const Point2 &p_from, const Point2 &p_to, Point2 *r_pos = nullptr, Point2 *r_normal = nullptr) const; inline bool encloses(const Rect2 &p_rect) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0 || p_rect.size.x < 0 || p_rect.size.y < 0)) { + ERR_PRINT("Rect2 size is negative, this is not supported. Use Rect2.abs() to get a Rect2 with a positive size."); + } +#endif return (p_rect.position.x >= position.x) && (p_rect.position.y >= position.y) && ((p_rect.position.x + p_rect.size.x) <= (position.x + size.x)) && ((p_rect.position.y + p_rect.size.y) <= (position.y + size.y)); @@ -147,7 +162,11 @@ struct Rect2 { } inline Rect2 merge(const Rect2 &p_rect) const { ///< return a merged rect - +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0 || p_rect.size.x < 0 || p_rect.size.y < 0)) { + ERR_PRINT("Rect2 size is negative, this is not supported. Use Rect2.abs() to get a Rect2 with a positive size."); + } +#endif Rect2 new_rect; new_rect.position.x = MIN(p_rect.position.x, position.x); @@ -161,6 +180,11 @@ struct Rect2 { return new_rect; } inline bool has_point(const Point2 &p_point) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0)) { + ERR_PRINT("Rect2 size is negative, this is not supported. Use Rect2.abs() to get a Rect2 with a positive size."); + } +#endif if (p_point.x < position.x) { return false; } @@ -183,6 +207,11 @@ struct Rect2 { bool operator!=(const Rect2 &p_rect) const { return position != p_rect.position || size != p_rect.size; } inline Rect2 grow(real_t p_amount) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0)) { + ERR_PRINT("Rect2 size is negative, this is not supported. Use Rect2.abs() to get a Rect2 with a positive size."); + } +#endif Rect2 g = *this; g.grow_by(p_amount); return g; @@ -209,6 +238,11 @@ struct Rect2 { } inline Rect2 grow_individual(real_t p_left, real_t p_top, real_t p_right, real_t p_bottom) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0)) { + ERR_PRINT("Rect2 size is negative, this is not supported. Use Rect2.abs() to get a Rect2 with a positive size."); + } +#endif Rect2 g = *this; g.position.x -= p_left; g.position.y -= p_top; @@ -225,7 +259,11 @@ struct Rect2 { } inline void expand_to(const Vector2 &p_vector) { //in place function for speed - +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0)) { + ERR_PRINT("Rect2 size is negative, this is not supported. Use Rect2.abs() to get a Rect2 with a positive size."); + } +#endif Vector2 begin = position; Vector2 end = position + size; @@ -349,6 +387,11 @@ struct Rect2i { _FORCE_INLINE_ Vector2i get_center() const { return position + (size / 2); } inline bool intersects(const Rect2i &p_rect) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0 || p_rect.size.x < 0 || p_rect.size.y < 0)) { + ERR_PRINT("Rect2i size is negative, this is not supported. Use Rect2i.abs() to get a Rect2i with a positive size."); + } +#endif if (position.x > (p_rect.position.x + p_rect.size.width)) { return false; } @@ -366,6 +409,11 @@ struct Rect2i { } inline bool encloses(const Rect2i &p_rect) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0 || p_rect.size.x < 0 || p_rect.size.y < 0)) { + ERR_PRINT("Rect2i size is negative, this is not supported. Use Rect2i.abs() to get a Rect2i with a positive size."); + } +#endif return (p_rect.position.x >= position.x) && (p_rect.position.y >= position.y) && ((p_rect.position.x + p_rect.size.x) < (position.x + size.x)) && ((p_rect.position.y + p_rect.size.y) < (position.y + size.y)); @@ -389,14 +437,18 @@ struct Rect2i { Point2i p_rect_end = p_rect.position + p_rect.size; Point2i end = position + size; - new_rect.size.x = (int)(MIN(p_rect_end.x, end.x) - new_rect.position.x); - new_rect.size.y = (int)(MIN(p_rect_end.y, end.y) - new_rect.position.y); + new_rect.size.x = MIN(p_rect_end.x, end.x) - new_rect.position.x; + new_rect.size.y = MIN(p_rect_end.y, end.y) - new_rect.position.y; return new_rect; } inline Rect2i merge(const Rect2i &p_rect) const { ///< return a merged rect - +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0 || p_rect.size.x < 0 || p_rect.size.y < 0)) { + ERR_PRINT("Rect2i size is negative, this is not supported. Use Rect2i.abs() to get a Rect2i with a positive size."); + } +#endif Rect2i new_rect; new_rect.position.x = MIN(p_rect.position.x, position.x); @@ -410,6 +462,11 @@ struct Rect2i { return new_rect; } bool has_point(const Point2i &p_point) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0)) { + ERR_PRINT("Rect2i size is negative, this is not supported. Use Rect2i.abs() to get a Rect2i with a positive size."); + } +#endif if (p_point.x < position.x) { return false; } @@ -431,6 +488,11 @@ struct Rect2i { bool operator!=(const Rect2i &p_rect) const { return position != p_rect.position || size != p_rect.size; } Rect2i grow(int p_amount) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0)) { + ERR_PRINT("Rect2i size is negative, this is not supported. Use Rect2i.abs() to get a Rect2i with a positive size."); + } +#endif Rect2i g = *this; g.position.x -= p_amount; g.position.y -= p_amount; @@ -453,6 +515,11 @@ struct Rect2i { } inline Rect2i grow_individual(int p_left, int p_top, int p_right, int p_bottom) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0)) { + ERR_PRINT("Rect2i size is negative, this is not supported. Use Rect2i.abs() to get a Rect2i with a positive size."); + } +#endif Rect2i g = *this; g.position.x -= p_left; g.position.y -= p_top; @@ -469,6 +536,11 @@ struct Rect2i { } inline void expand_to(const Point2i &p_vector) { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0)) { + ERR_PRINT("Rect2i size is negative, this is not supported. Use Rect2i.abs() to get a Rect2i with a positive size."); + } +#endif Point2i begin = position; Point2i end = position + size; |