diff options
Diffstat (limited to 'core/math')
-rw-r--r-- | core/math/a_star.cpp | 28 | ||||
-rw-r--r-- | core/math/a_star.h | 8 | ||||
-rw-r--r-- | core/math/basis.cpp | 14 | ||||
-rw-r--r-- | core/math/basis.h | 2 | ||||
-rw-r--r-- | core/math/camera_matrix.cpp | 4 | ||||
-rw-r--r-- | core/math/convex_hull.cpp | 28 | ||||
-rw-r--r-- | core/math/convex_hull.h | 2 | ||||
-rw-r--r-- | core/math/dynamic_bvh.h | 2 | ||||
-rw-r--r-- | core/math/geometry_2d.h | 20 | ||||
-rw-r--r-- | core/math/transform_3d.h | 2 | ||||
-rw-r--r-- | core/math/triangulate.h | 2 | ||||
-rw-r--r-- | core/math/vector2.cpp | 4 | ||||
-rw-r--r-- | core/math/vector2.h | 1 |
13 files changed, 91 insertions, 26 deletions
diff --git a/core/math/a_star.cpp b/core/math/a_star.cpp index 322eb7ac61..b380860522 100644 --- a/core/math/a_star.cpp +++ b/core/math/a_star.cpp @@ -382,8 +382,9 @@ bool AStar::_solve(Point *begin_point, Point *end_point) { } real_t AStar::_estimate_cost(int p_from_id, int p_to_id) { - if (get_script_instance() && get_script_instance()->has_method(SceneStringNames::get_singleton()->_estimate_cost)) { - return get_script_instance()->call(SceneStringNames::get_singleton()->_estimate_cost, p_from_id, p_to_id); + real_t scost; + if (GDVIRTUAL_CALL(_estimate_cost, p_from_id, p_to_id, scost)) { + return scost; } Point *from_point; @@ -398,8 +399,9 @@ real_t AStar::_estimate_cost(int p_from_id, int p_to_id) { } real_t AStar::_compute_cost(int p_from_id, int p_to_id) { - if (get_script_instance() && get_script_instance()->has_method(SceneStringNames::get_singleton()->_compute_cost)) { - return get_script_instance()->call(SceneStringNames::get_singleton()->_compute_cost, p_from_id, p_to_id); + real_t scost; + if (GDVIRTUAL_CALL(_compute_cost, p_from_id, p_to_id, scost)) { + return scost; } Point *from_point; @@ -557,8 +559,8 @@ void AStar::_bind_methods() { ClassDB::bind_method(D_METHOD("get_point_path", "from_id", "to_id"), &AStar::get_point_path); ClassDB::bind_method(D_METHOD("get_id_path", "from_id", "to_id"), &AStar::get_id_path); - BIND_VMETHOD(MethodInfo(Variant::FLOAT, "_estimate_cost", PropertyInfo(Variant::INT, "from_id"), PropertyInfo(Variant::INT, "to_id"))); - BIND_VMETHOD(MethodInfo(Variant::FLOAT, "_compute_cost", PropertyInfo(Variant::INT, "from_id"), PropertyInfo(Variant::INT, "to_id"))); + GDVIRTUAL_BIND(_estimate_cost, "from_id", "to_id") + GDVIRTUAL_BIND(_compute_cost, "from_id", "to_id") } AStar::~AStar() { @@ -654,8 +656,9 @@ Vector2 AStar2D::get_closest_position_in_segment(const Vector2 &p_point) const { } real_t AStar2D::_estimate_cost(int p_from_id, int p_to_id) { - if (get_script_instance() && get_script_instance()->has_method(SceneStringNames::get_singleton()->_estimate_cost)) { - return get_script_instance()->call(SceneStringNames::get_singleton()->_estimate_cost, p_from_id, p_to_id); + real_t scost; + if (GDVIRTUAL_CALL(_estimate_cost, p_from_id, p_to_id, scost)) { + return scost; } AStar::Point *from_point; @@ -670,8 +673,9 @@ real_t AStar2D::_estimate_cost(int p_from_id, int p_to_id) { } real_t AStar2D::_compute_cost(int p_from_id, int p_to_id) { - if (get_script_instance() && get_script_instance()->has_method(SceneStringNames::get_singleton()->_compute_cost)) { - return get_script_instance()->call(SceneStringNames::get_singleton()->_compute_cost, p_from_id, p_to_id); + real_t scost; + if (GDVIRTUAL_CALL(_compute_cost, p_from_id, p_to_id, scost)) { + return scost; } AStar::Point *from_point; @@ -875,6 +879,6 @@ void AStar2D::_bind_methods() { ClassDB::bind_method(D_METHOD("get_point_path", "from_id", "to_id"), &AStar2D::get_point_path); ClassDB::bind_method(D_METHOD("get_id_path", "from_id", "to_id"), &AStar2D::get_id_path); - BIND_VMETHOD(MethodInfo(Variant::FLOAT, "_estimate_cost", PropertyInfo(Variant::INT, "from_id"), PropertyInfo(Variant::INT, "to_id"))); - BIND_VMETHOD(MethodInfo(Variant::FLOAT, "_compute_cost", PropertyInfo(Variant::INT, "from_id"), PropertyInfo(Variant::INT, "to_id"))); + GDVIRTUAL_BIND(_estimate_cost, "from_id", "to_id") + GDVIRTUAL_BIND(_compute_cost, "from_id", "to_id") } diff --git a/core/math/a_star.h b/core/math/a_star.h index 44758cb046..64fa32a325 100644 --- a/core/math/a_star.h +++ b/core/math/a_star.h @@ -31,7 +31,9 @@ #ifndef A_STAR_H #define A_STAR_H +#include "core/object/gdvirtual.gen.inc" #include "core/object/ref_counted.h" +#include "core/object/script_language.h" #include "core/templates/oa_hash_map.h" /** @@ -122,6 +124,9 @@ protected: virtual real_t _estimate_cost(int p_from_id, int p_to_id); virtual real_t _compute_cost(int p_from_id, int p_to_id); + GDVIRTUAL2RC(real_t, _estimate_cost, int64_t, int64_t) + GDVIRTUAL2RC(real_t, _compute_cost, int64_t, int64_t) + public: int get_available_point_id() const; @@ -169,6 +174,9 @@ protected: virtual real_t _estimate_cost(int p_from_id, int p_to_id); virtual real_t _compute_cost(int p_from_id, int p_to_id); + GDVIRTUAL2RC(real_t, _estimate_cost, int64_t, int64_t) + GDVIRTUAL2RC(real_t, _compute_cost, int64_t, int64_t) + public: int get_available_point_id() const; diff --git a/core/math/basis.cpp b/core/math/basis.cpp index b5e25fb837..eec9caf149 100644 --- a/core/math/basis.cpp +++ b/core/math/basis.cpp @@ -381,6 +381,18 @@ Quaternion Basis::get_rotation_quaternion() const { return m.get_quaternion(); } +void Basis::rotate_to_align(Vector3 p_start_direction, Vector3 p_end_direction) { + // Takes two vectors and rotates the basis from the first vector to the second vector. + // Adopted from: https://gist.github.com/kevinmoran/b45980723e53edeb8a5a43c49f134724 + const Vector3 axis = p_start_direction.cross(p_end_direction).normalized(); + if (axis.length_squared() != 0) { + real_t dot = p_start_direction.dot(p_end_direction); + dot = CLAMP(dot, -1.0, 1.0); + const real_t angle_rads = Math::acos(dot); + set_axis_angle(axis, angle_rads); + } +} + void Basis::get_rotation_axis_angle(Vector3 &p_axis, real_t &p_angle) const { // Assumes that the matrix can be decomposed into a proper rotation and scaling matrix as M = R.S, // and returns the Euler angles corresponding to the rotation part, complementing get_scale(). @@ -763,7 +775,7 @@ Basis::operator String() const { Quaternion Basis::get_quaternion() const { #ifdef MATH_CHECKS - ERR_FAIL_COND_V_MSG(!is_rotation(), Quaternion(), "Basis must be normalized in order to be casted to a Quaternion. Use get_rotation_quaternion() or call orthonormalized() instead."); + ERR_FAIL_COND_V_MSG(!is_rotation(), Quaternion(), "Basis must be normalized in order to be casted to a Quaternion. Use get_rotation_quaternion() or call orthonormalized() if the Basis contains linearly independent vectors."); #endif /* Allow getting a quaternion from an unnormalized transform */ Basis m = *this; diff --git a/core/math/basis.h b/core/math/basis.h index 3db2227b70..9d8ed16e29 100644 --- a/core/math/basis.h +++ b/core/math/basis.h @@ -88,6 +88,8 @@ public: Quaternion get_rotation_quaternion() const; Vector3 get_rotation() const { return get_rotation_euler(); }; + void rotate_to_align(Vector3 p_start_direction, Vector3 p_end_direction); + Vector3 rotref_posscale_decomposition(Basis &rotref) const; Vector3 get_euler_xyz() const; diff --git a/core/math/camera_matrix.cpp b/core/math/camera_matrix.cpp index 66c18f7b3c..8066a59281 100644 --- a/core/math/camera_matrix.cpp +++ b/core/math/camera_matrix.cpp @@ -341,8 +341,8 @@ bool CameraMatrix::get_endpoints(const Transform3D &p_transform, Vector3 *p_8poi Vector<Plane> CameraMatrix::get_projection_planes(const Transform3D &p_transform) const { /** Fast Plane Extraction from combined modelview/projection matrices. * References: - * https://web.archive.org/web/20011221205252/http://www.markmorley.com/opengl/frustumculling.html - * https://web.archive.org/web/20061020020112/http://www2.ravensoft.com/users/ggribb/plane%20extraction.pdf + * https://web.archive.org/web/20011221205252/https://www.markmorley.com/opengl/frustumculling.html + * https://web.archive.org/web/20061020020112/https://www2.ravensoft.com/users/ggribb/plane%20extraction.pdf */ Vector<Plane> planes; diff --git a/core/math/convex_hull.cpp b/core/math/convex_hull.cpp index 682a7ea39e..f67035c803 100644 --- a/core/math/convex_hull.cpp +++ b/core/math/convex_hull.cpp @@ -2260,10 +2260,21 @@ Error ConvexHullComputer::convex_hull(const Vector<Vector3> &p_points, Geometry3 r_mesh.vertices = ch.vertices; - r_mesh.edges.resize(ch.edges.size()); + // Copy the edges over. There's two "half-edges" for every edge, so we pick only one of them. + r_mesh.edges.resize(ch.edges.size() / 2); + uint32_t edges_copied = 0; for (uint32_t i = 0; i < ch.edges.size(); i++) { - r_mesh.edges.write[i].a = (&ch.edges[i])->get_source_vertex(); - r_mesh.edges.write[i].b = (&ch.edges[i])->get_target_vertex(); + uint32_t a = (&ch.edges[i])->get_source_vertex(); + uint32_t b = (&ch.edges[i])->get_target_vertex(); + if (a < b) { // Copy only the "canonical" edge. For the reverse edge, this will be false. + ERR_BREAK(edges_copied >= (uint32_t)r_mesh.edges.size()); + r_mesh.edges.write[edges_copied].a = a; + r_mesh.edges.write[edges_copied].b = b; + edges_copied++; + } + } + if (edges_copied != (uint32_t)r_mesh.edges.size()) { + ERR_PRINT("Invalid edge count."); } r_mesh.faces.resize(ch.faces.size()); @@ -2278,9 +2289,18 @@ Error ConvexHullComputer::convex_hull(const Vector<Vector3> &p_points, Geometry3 e = e->get_next_edge_of_face(); } while (e != e_start); + // reverse indices: Godot wants clockwise, but this is counter-clockwise + if (face.indices.size() > 2) { + // reverse all but the first index. + int *indices = face.indices.ptrw(); + for (int c = 0; c < (face.indices.size() - 1) / 2; c++) { + SWAP(indices[c + 1], indices[face.indices.size() - 1 - c]); + } + } + // compute normal if (face.indices.size() >= 3) { - face.plane = Plane(r_mesh.vertices[face.indices[0]], r_mesh.vertices[face.indices[2]], r_mesh.vertices[face.indices[1]]); + face.plane = Plane(r_mesh.vertices[face.indices[0]], r_mesh.vertices[face.indices[1]], r_mesh.vertices[face.indices[2]]); } else { WARN_PRINT("Too few vertices per face."); } diff --git a/core/math/convex_hull.h b/core/math/convex_hull.h index ba7be9c5e8..a860d60b02 100644 --- a/core/math/convex_hull.h +++ b/core/math/convex_hull.h @@ -49,7 +49,7 @@ subject to the following restrictions: #include "core/templates/vector.h" /// Convex hull implementation based on Preparata and Hong -/// See http://code.google.com/p/bullet/issues/detail?id=275 +/// See https://code.google.com/p/bullet/issues/detail?id=275 /// Ole Kniemeyer, MAXON Computer GmbH class ConvexHullComputer { public: diff --git a/core/math/dynamic_bvh.h b/core/math/dynamic_bvh.h index 0b6286cd9d..d63132b4da 100644 --- a/core/math/dynamic_bvh.h +++ b/core/math/dynamic_bvh.h @@ -41,7 +41,7 @@ /* Bullet Continuous Collision Detection and Physics Library -Copyright (c) 2003-2013 Erwin Coumans http://bulletphysics.org +Copyright (c) 2003-2013 Erwin Coumans https://bulletphysics.org This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. diff --git a/core/math/geometry_2d.h b/core/math/geometry_2d.h index e1a5bfe6f2..8e5830f9b3 100644 --- a/core/math/geometry_2d.h +++ b/core/math/geometry_2d.h @@ -182,7 +182,15 @@ public: C = Vector2(C.x * Bn.x + C.y * Bn.y, C.y * Bn.x - C.x * Bn.y); D = Vector2(D.x * Bn.x + D.y * Bn.y, D.y * Bn.x - D.x * Bn.y); - if ((C.y < 0 && D.y < 0) || (C.y >= 0 && D.y >= 0)) { + // Fail if C x B and D x B have the same sign (segments don't intersect). + // (equivalent to condition (C.y < 0 && D.y < CMP_EPSILON) || (C.y > 0 && D.y > CMP_EPSILON)) + if (C.y * D.y > CMP_EPSILON) { + return false; + } + + // Fail if segments are parallel or colinear. + // (when A x B == zero, i.e (C - D) x B == zero, i.e C x B == D x B) + if (Math::is_equal_approx(C.y, D.y)) { return false; } @@ -193,7 +201,7 @@ public: return false; } - // (4) Apply the discovered position to line A-B in the original coordinate system. + // Apply the discovered position to line A-B in the original coordinate system. if (r_result) { *r_result = p_from_a + B * ABpos; } @@ -353,8 +361,14 @@ public: for (int i = 0; i < c; i++) { const Vector2 &v1 = p[i]; const Vector2 &v2 = p[(i + 1) % c]; - if (segment_intersects_segment(v1, v2, p_point, further_away, nullptr)) { + + Vector2 res; + if (segment_intersects_segment(v1, v2, p_point, further_away, &res)) { intersections++; + if (res.is_equal_approx(p_point)) { + // Point is in one of the polygon edges. + return true; + } } } diff --git a/core/math/transform_3d.h b/core/math/transform_3d.h index cadfdc13d1..345e0fade0 100644 --- a/core/math/transform_3d.h +++ b/core/math/transform_3d.h @@ -155,7 +155,7 @@ _FORCE_INLINE_ Plane Transform3D::xform_inv(const Plane &p_plane) const { } _FORCE_INLINE_ AABB Transform3D::xform(const AABB &p_aabb) const { - /* http://dev.theomader.com/transform-bounding-boxes/ */ + /* https://dev.theomader.com/transform-bounding-boxes/ */ Vector3 min = p_aabb.position; Vector3 max = p_aabb.position + p_aabb.size; Vector3 tmin, tmax; diff --git a/core/math/triangulate.h b/core/math/triangulate.h index 55dc4e8e7d..249ca6238f 100644 --- a/core/math/triangulate.h +++ b/core/math/triangulate.h @@ -34,7 +34,7 @@ #include "core/math/vector2.h" /* -http://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml +https://www.flipcode.com/archives/Efficient_Polygon_Triangulation.shtml */ class Triangulate { diff --git a/core/math/vector2.cpp b/core/math/vector2.cpp index 54abc1b7f2..b53dc05a00 100644 --- a/core/math/vector2.cpp +++ b/core/math/vector2.cpp @@ -34,6 +34,10 @@ real_t Vector2::angle() const { return Math::atan2(y, x); } +Vector2 Vector2::from_angle(const real_t p_angle) { + return Vector2(Math::cos(p_angle), Math::sin(p_angle)); +} + real_t Vector2::length() const { return Math::sqrt(x * x + y * y); } diff --git a/core/math/vector2.h b/core/math/vector2.h index 330b4741b1..332c0475fa 100644 --- a/core/math/vector2.h +++ b/core/math/vector2.h @@ -147,6 +147,7 @@ struct Vector2 { bool operator>=(const Vector2 &p_vec2) const { return x == p_vec2.x ? (y >= p_vec2.y) : (x > p_vec2.x); } real_t angle() const; + static Vector2 from_angle(const real_t p_angle); _FORCE_INLINE_ Vector2 abs() const { return Vector2(Math::abs(x), Math::abs(y)); |