diff options
Diffstat (limited to 'src/variant/aabb.cpp')
| -rw-r--r-- | src/variant/aabb.cpp | 62 |
1 files changed, 49 insertions, 13 deletions
diff --git a/src/variant/aabb.cpp b/src/variant/aabb.cpp index ff5cfe0..e488c66 100644 --- a/src/variant/aabb.cpp +++ b/src/variant/aabb.cpp @@ -30,12 +30,12 @@ #include <godot_cpp/variant/aabb.hpp> -#include <godot_cpp/core/defs.hpp> #include <godot_cpp/variant/string.hpp> +#include <godot_cpp/variant/variant.hpp> namespace godot { -real_t AABB::get_area() const { +real_t AABB::get_volume() const { return size.x * size.y * size.z; } @@ -48,14 +48,19 @@ 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; beg_1 = position; beg_2 = p_aabb.position; - end_1 = Vector3(size.x, size.y, size.z) + beg_1; - end_2 = Vector3(p_aabb.size.x, p_aabb.size.y, p_aabb.size.z) + beg_2; + end_1 = size + beg_1; + end_2 = p_aabb.size + beg_2; min.x = (beg_1.x < beg_2.x) ? beg_1.x : beg_2.x; min.y = (beg_1.y < beg_2.y) ? beg_1.y : beg_2.y; @@ -74,6 +79,11 @@ 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; @@ -106,6 +116,11 @@ 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; @@ -149,6 +164,11 @@ 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; @@ -268,14 +288,14 @@ int AABB::get_longest_axis_index() const { Vector3 AABB::get_shortest_axis() const { Vector3 axis(1, 0, 0); - real_t max_size = size.x; + real_t min_size = size.x; - if (size.y < max_size) { + if (size.y < min_size) { axis = Vector3(0, 1, 0); - max_size = size.y; + min_size = size.y; } - if (size.z < max_size) { + if (size.z < min_size) { axis = Vector3(0, 0, 1); } @@ -284,14 +304,14 @@ Vector3 AABB::get_shortest_axis() const { int AABB::get_shortest_axis_index() const { int axis = 0; - real_t max_size = size.x; + real_t min_size = size.x; - if (size.y < max_size) { + if (size.y < min_size) { axis = 1; - max_size = size.y; + min_size = size.y; } - if (size.z < max_size) { + if (size.z < min_size) { axis = 2; } @@ -378,8 +398,24 @@ void AABB::get_edge(int p_edge, Vector3 &r_from, Vector3 &r_to) const { } } +Variant AABB::intersects_segment_bind(const Vector3 &p_from, const Vector3 &p_to) const { + Vector3 inters; + if (intersects_segment(p_from, p_to, &inters)) { + return inters; + } + return Variant(); +} + +Variant AABB::intersects_ray_bind(const Vector3 &p_from, const Vector3 &p_dir) const { + Vector3 inters; + if (intersects_ray(p_from, p_dir, &inters)) { + return inters; + } + return Variant(); +} + AABB::operator String() const { - return position.operator String() + " - " + size.operator String(); + return "[P: " + position.operator String() + ", S: " + size + "]"; } } // namespace godot |