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-rw-r--r--core/math/a_star.cpp22
-rw-r--r--core/math/a_star.h4
-rw-r--r--core/math/audio_frame.h15
-rw-r--r--core/math/basis.cpp4
-rw-r--r--core/math/basis.h4
-rw-r--r--core/math/camera_matrix.cpp8
-rw-r--r--core/math/camera_matrix.h1
-rw-r--r--core/math/delaunay.h4
-rw-r--r--core/math/expression.cpp14
-rw-r--r--core/math/expression.h1
-rw-r--r--core/math/geometry.cpp2
-rw-r--r--core/math/geometry.h16
-rw-r--r--core/math/math_funcs.h30
-rw-r--r--core/math/plane.cpp4
-rw-r--r--core/math/plane.h4
-rw-r--r--core/math/quat.h8
-rw-r--r--core/math/random_number_generator.cpp1
-rw-r--r--core/math/random_number_generator.h2
-rw-r--r--core/math/random_pcg.h9
-rw-r--r--core/math/transform_2d.cpp2
-rw-r--r--core/math/transform_2d.h2
-rw-r--r--core/math/vector2.h16
-rw-r--r--core/math/vector3.h30
23 files changed, 160 insertions, 43 deletions
diff --git a/core/math/a_star.cpp b/core/math/a_star.cpp
index 6c3b84d49a..e1388ad2ac 100644
--- a/core/math/a_star.cpp
+++ b/core/math/a_star.cpp
@@ -55,6 +55,7 @@ void AStar::add_point(int p_id, const Vector3 &p_pos, real_t p_weight_scale) {
pt->weight_scale = p_weight_scale;
pt->prev_point = NULL;
pt->last_pass = 0;
+ pt->enabled = true;
points[p_id] = pt;
} else {
points[p_id]->pos = p_pos;
@@ -242,6 +243,9 @@ bool AStar::_solve(Point *begin_point, Point *end_point) {
pass++;
+ if (!end_point->enabled)
+ return false;
+
SelfList<Point>::List open_list;
bool found_route = false;
@@ -249,6 +253,10 @@ bool AStar::_solve(Point *begin_point, Point *end_point) {
for (Set<Point *>::Element *E = begin_point->neighbours.front(); E; E = E->next()) {
Point *n = E->get();
+
+ if (!n->enabled)
+ continue;
+
n->prev_point = begin_point;
n->distance = _compute_cost(begin_point->id, n->id) * n->weight_scale;
n->last_pass = pass;
@@ -290,6 +298,9 @@ bool AStar::_solve(Point *begin_point, Point *end_point) {
Point *e = E->get();
+ if (!e->enabled)
+ continue;
+
real_t distance = _compute_cost(p->id, e->id) * e->weight_scale + p->distance;
if (e->last_pass == pass) {
@@ -438,6 +449,14 @@ PoolVector<int> AStar::get_id_path(int p_from_id, int p_to_id) {
return path;
}
+void AStar::set_point_disabled(int p_id, bool p_disabled) {
+ points[p_id]->enabled = !p_disabled;
+}
+
+bool AStar::is_point_disabled(int p_id) const {
+ return !points[p_id]->enabled;
+}
+
void AStar::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_available_point_id"), &AStar::get_available_point_id);
@@ -450,6 +469,9 @@ void AStar::_bind_methods() {
ClassDB::bind_method(D_METHOD("has_point", "id"), &AStar::has_point);
ClassDB::bind_method(D_METHOD("get_points"), &AStar::get_points);
+ ClassDB::bind_method(D_METHOD("set_point_disabled", "id", "disabled"), &AStar::set_point_disabled, DEFVAL(true));
+ ClassDB::bind_method(D_METHOD("is_point_disabled", "id"), &AStar::is_point_disabled);
+
ClassDB::bind_method(D_METHOD("get_point_connections", "id"), &AStar::get_point_connections);
ClassDB::bind_method(D_METHOD("connect_points", "id", "to_id", "bidirectional"), &AStar::connect_points, DEFVAL(true));
diff --git a/core/math/a_star.h b/core/math/a_star.h
index d094bc4863..c63e1aa4dc 100644
--- a/core/math/a_star.h
+++ b/core/math/a_star.h
@@ -54,6 +54,7 @@ class AStar : public Reference {
Vector3 pos;
real_t weight_scale;
uint64_t last_pass;
+ bool enabled;
Set<Point *> neighbours;
@@ -114,6 +115,9 @@ public:
PoolVector<int> get_point_connections(int p_id);
Array get_points();
+ void set_point_disabled(int p_id, bool p_disabled = true);
+ bool is_point_disabled(int p_id) const;
+
void connect_points(int p_id, int p_with_id, bool bidirectional = true);
void disconnect_points(int p_id, int p_with_id);
bool are_points_connected(int p_id, int p_with_id) const;
diff --git a/core/math/audio_frame.h b/core/math/audio_frame.h
index f970c510e0..98e4e33021 100644
--- a/core/math/audio_frame.h
+++ b/core/math/audio_frame.h
@@ -31,6 +31,7 @@
#ifndef AUDIOFRAME_H
#define AUDIOFRAME_H
+#include "core/math/vector2.h"
#include "core/typedefs.h"
static inline float undenormalise(volatile float f) {
@@ -122,6 +123,20 @@ struct AudioFrame {
r = p_frame.r;
}
+ _ALWAYS_INLINE_ AudioFrame operator=(const AudioFrame &p_frame) {
+ l = p_frame.l;
+ r = p_frame.r;
+ return *this;
+ }
+
+ _ALWAYS_INLINE_ operator Vector2() const {
+ return Vector2(l, r);
+ }
+
+ _ALWAYS_INLINE_ AudioFrame(const Vector2 &p_v2) {
+ l = p_v2.x;
+ r = p_v2.y;
+ }
_ALWAYS_INLINE_ AudioFrame() {}
};
diff --git a/core/math/basis.cpp b/core/math/basis.cpp
index 82b2f7006d..9fcecd1ba6 100644
--- a/core/math/basis.cpp
+++ b/core/math/basis.cpp
@@ -557,7 +557,7 @@ void Basis::set_euler_yxz(const Vector3 &p_euler) {
*this = ymat * xmat * zmat;
}
-bool Basis::is_equal_approx(const Basis &a, const Basis &b,real_t p_epsilon) const {
+bool Basis::is_equal_approx(const Basis &a, const Basis &b, real_t p_epsilon) const {
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
@@ -569,7 +569,7 @@ bool Basis::is_equal_approx(const Basis &a, const Basis &b,real_t p_epsilon) con
return true;
}
-bool Basis::is_equal_approx_ratio(const Basis &a, const Basis &b,real_t p_epsilon) const {
+bool Basis::is_equal_approx_ratio(const Basis &a, const Basis &b, real_t p_epsilon) const {
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
diff --git a/core/math/basis.h b/core/math/basis.h
index aa0ddb280f..75037c2c52 100644
--- a/core/math/basis.h
+++ b/core/math/basis.h
@@ -133,8 +133,8 @@ public:
return elements[0][2] * v[0] + elements[1][2] * v[1] + elements[2][2] * v[2];
}
- bool is_equal_approx(const Basis &a, const Basis &b, real_t p_epsilon=CMP_EPSILON) const;
- bool is_equal_approx_ratio(const Basis &a, const Basis &b, real_t p_epsilon=UNIT_EPSILON) const;
+ bool is_equal_approx(const Basis &a, const Basis &b, real_t p_epsilon = CMP_EPSILON) const;
+ bool is_equal_approx_ratio(const Basis &a, const Basis &b, real_t p_epsilon = UNIT_EPSILON) const;
bool operator==(const Basis &p_matrix) const;
bool operator!=(const Basis &p_matrix) const;
diff --git a/core/math/camera_matrix.cpp b/core/math/camera_matrix.cpp
index caf08c7379..f615cc8c65 100644
--- a/core/math/camera_matrix.cpp
+++ b/core/math/camera_matrix.cpp
@@ -210,6 +210,14 @@ void CameraMatrix::set_frustum(real_t p_left, real_t p_right, real_t p_bottom, r
te[15] = 0;
}
+void CameraMatrix::set_frustum(real_t p_size, real_t p_aspect, Vector2 p_offset, real_t p_near, real_t p_far, bool p_flip_fov) {
+ if (!p_flip_fov) {
+ p_size *= p_aspect;
+ }
+
+ set_frustum(-p_size / 2 + p_offset.x, +p_size / 2 + p_offset.x, -p_size / p_aspect / 2 + p_offset.y, +p_size / p_aspect / 2 + p_offset.y, p_near, p_far);
+}
+
real_t CameraMatrix::get_z_far() const {
const real_t *matrix = (const real_t *)this->matrix;
diff --git a/core/math/camera_matrix.h b/core/math/camera_matrix.h
index 015588a8cb..3bcf48f5da 100644
--- a/core/math/camera_matrix.h
+++ b/core/math/camera_matrix.h
@@ -61,6 +61,7 @@ struct CameraMatrix {
void set_orthogonal(real_t p_left, real_t p_right, real_t p_bottom, real_t p_top, real_t p_znear, real_t p_zfar);
void set_orthogonal(real_t p_size, real_t p_aspect, real_t p_znear, real_t p_zfar, bool p_flip_fov = false);
void set_frustum(real_t p_left, real_t p_right, real_t p_bottom, real_t p_top, real_t p_near, real_t p_far);
+ void set_frustum(real_t p_size, real_t p_aspect, Vector2 p_offset, real_t p_near, real_t p_far, bool p_flip_fov = false);
static real_t get_fovy(real_t p_fovx, real_t p_aspect) {
diff --git a/core/math/delaunay.h b/core/math/delaunay.h
index bd0cf97937..ed52c506db 100644
--- a/core/math/delaunay.h
+++ b/core/math/delaunay.h
@@ -80,11 +80,11 @@ public:
}
static bool edge_compare(const Vector<Vector2> &p_vertices, const Edge &p_a, const Edge &p_b) {
- if (p_vertices[p_a.edge[0]].distance_to(p_vertices[p_b.edge[0]]) < CMP_EPSILON && p_vertices[p_a.edge[1]].distance_to(p_vertices[p_b.edge[1]]) < CMP_EPSILON) {
+ if (Math::is_zero_approx(p_vertices[p_a.edge[0]].distance_to(p_vertices[p_b.edge[0]])) && Math::is_zero_approx(p_vertices[p_a.edge[1]].distance_to(p_vertices[p_b.edge[1]]))) {
return true;
}
- if (p_vertices[p_a.edge[0]].distance_to(p_vertices[p_b.edge[1]]) < CMP_EPSILON && p_vertices[p_a.edge[1]].distance_to(p_vertices[p_b.edge[0]]) < CMP_EPSILON) {
+ if (Math::is_zero_approx(p_vertices[p_a.edge[0]].distance_to(p_vertices[p_b.edge[1]])) && Math::is_zero_approx(p_vertices[p_a.edge[1]].distance_to(p_vertices[p_b.edge[0]]))) {
return true;
}
diff --git a/core/math/expression.cpp b/core/math/expression.cpp
index 708054e4ab..133dcc7ab9 100644
--- a/core/math/expression.cpp
+++ b/core/math/expression.cpp
@@ -68,6 +68,7 @@ const char *Expression::func_name[Expression::FUNC_MAX] = {
"lerp",
"inverse_lerp",
"range_lerp",
+ "smoothstep",
"dectime",
"randomize",
"randi",
@@ -185,6 +186,7 @@ int Expression::get_func_argument_count(BuiltinFunc p_func) {
return 2;
case MATH_LERP:
case MATH_INVERSE_LERP:
+ case MATH_SMOOTHSTEP:
case MATH_DECTIME:
case MATH_WRAP:
case MATH_WRAPF:
@@ -392,6 +394,12 @@ void Expression::exec_func(BuiltinFunc p_func, const Variant **p_inputs, Variant
VALIDATE_ARG_NUM(4);
*r_return = Math::range_lerp((double)*p_inputs[0], (double)*p_inputs[1], (double)*p_inputs[2], (double)*p_inputs[3], (double)*p_inputs[4]);
} break;
+ case MATH_SMOOTHSTEP: {
+ VALIDATE_ARG_NUM(0);
+ VALIDATE_ARG_NUM(1);
+ VALIDATE_ARG_NUM(2);
+ *r_return = Math::smoothstep((double)*p_inputs[0], (double)*p_inputs[1], (double)*p_inputs[2]);
+ } break;
case MATH_DECTIME: {
VALIDATE_ARG_NUM(0);
@@ -752,7 +760,8 @@ void Expression::exec_func(BuiltinFunc p_func, const Variant **p_inputs, Variant
*r_return = String(color);
} break;
- default: {}
+ default: {
+ }
}
}
@@ -1671,7 +1680,8 @@ Expression::ENode *Expression::_parse_expression() {
case TK_OP_BIT_OR: op = Variant::OP_BIT_OR; break;
case TK_OP_BIT_XOR: op = Variant::OP_BIT_XOR; break;
case TK_OP_BIT_INVERT: op = Variant::OP_BIT_NEGATE; break;
- default: {};
+ default: {
+ };
}
if (op == Variant::OP_MAX) { //stop appending stuff
diff --git a/core/math/expression.h b/core/math/expression.h
index fa0878c93c..f9075cb689 100644
--- a/core/math/expression.h
+++ b/core/math/expression.h
@@ -66,6 +66,7 @@ public:
MATH_LERP,
MATH_INVERSE_LERP,
MATH_RANGE_LERP,
+ MATH_SMOOTHSTEP,
MATH_DECTIME,
MATH_RANDOMIZE,
MATH_RAND,
diff --git a/core/math/geometry.cpp b/core/math/geometry.cpp
index a84b5a16c7..0ab8707d3a 100644
--- a/core/math/geometry.cpp
+++ b/core/math/geometry.cpp
@@ -836,7 +836,7 @@ Geometry::MeshData Geometry::build_convex_mesh(const PoolVector<Plane> &p_planes
Vector3 rel = edge1_A - edge0_A;
real_t den = clip.normal.dot(rel);
- if (Math::abs(den) < CMP_EPSILON)
+ if (Math::is_zero_approx(den))
continue; // point too short
real_t dist = -(clip.normal.dot(edge0_A) - clip.d) / den;
diff --git a/core/math/geometry.h b/core/math/geometry.h
index 4b478b6b16..f3a671aa9a 100644
--- a/core/math/geometry.h
+++ b/core/math/geometry.h
@@ -181,8 +181,8 @@ public:
}
}
// finally do the division to get sc and tc
- sc = (Math::abs(sN) < CMP_EPSILON ? 0.0 : sN / sD);
- tc = (Math::abs(tN) < CMP_EPSILON ? 0.0 : tN / tD);
+ sc = (Math::is_zero_approx(sN) ? 0.0 : sN / sD);
+ tc = (Math::is_zero_approx(tN) ? 0.0 : tN / tD);
// get the difference of the two closest points
Vector3 dP = w + (sc * u) - (tc * v); // = S1(sc) - S2(tc)
@@ -195,7 +195,7 @@ public:
Vector3 e2 = p_v2 - p_v0;
Vector3 h = p_dir.cross(e2);
real_t a = e1.dot(h);
- if (a > -CMP_EPSILON && a < CMP_EPSILON) // parallel test
+ if (Math::is_zero_approx(a)) // parallel test
return false;
real_t f = 1.0 / a;
@@ -233,7 +233,7 @@ public:
Vector3 e2 = p_v2 - p_v0;
Vector3 h = rel.cross(e2);
real_t a = e1.dot(h);
- if (a > -CMP_EPSILON && a < CMP_EPSILON) // parallel test
+ if (Math::is_zero_approx(a)) // parallel test
return false;
real_t f = 1.0 / a;
@@ -535,7 +535,7 @@ public:
// see http://paulbourke.net/geometry/pointlineplane/
const real_t denom = p_dir_b.y * p_dir_a.x - p_dir_b.x * p_dir_a.y;
- if (Math::abs(denom) < CMP_EPSILON) { // parallel?
+ if (Math::is_zero_approx(denom)) { // parallel?
return false;
}
@@ -702,9 +702,11 @@ public:
/* if we can assume that the line segment starts outside the circle (e.g. for continuous time collision detection) then the following can be skipped and we can just return the equivalent of res1 */
sqrtterm = Math::sqrt(sqrtterm);
real_t res1 = (-b - sqrtterm) / (2 * a);
- //real_t res2 = ( -b + sqrtterm ) / (2 * a);
+ real_t res2 = (-b + sqrtterm) / (2 * a);
- return (res1 >= 0 && res1 <= 1) ? res1 : -1;
+ if (res1 >= 0 && res1 <= 1) return res1;
+ if (res2 >= 0 && res2 <= 1) return res2;
+ return -1;
}
static inline Vector<Vector3> clip_polygon(const Vector<Vector3> &polygon, const Plane &p_plane) {
diff --git a/core/math/math_funcs.h b/core/math/math_funcs.h
index 6ac6839827..a75f2fb4ab 100644
--- a/core/math/math_funcs.h
+++ b/core/math/math_funcs.h
@@ -208,6 +208,17 @@ public:
static _ALWAYS_INLINE_ double range_lerp(double p_value, double p_istart, double p_istop, double p_ostart, double p_ostop) { return Math::lerp(p_ostart, p_ostop, Math::inverse_lerp(p_istart, p_istop, p_value)); }
static _ALWAYS_INLINE_ float range_lerp(float p_value, float p_istart, float p_istop, float p_ostart, float p_ostop) { return Math::lerp(p_ostart, p_ostop, Math::inverse_lerp(p_istart, p_istop, p_value)); }
+ static _ALWAYS_INLINE_ double smoothstep(double p_from, double p_to, double p_weight) {
+ if (is_equal_approx(p_from, p_to)) return p_from;
+ double x = CLAMP((p_weight - p_from) / (p_to - p_from), 0.0, 1.0);
+ return x * x * (3.0 - 2.0 * x);
+ }
+ static _ALWAYS_INLINE_ float smoothstep(float p_from, float p_to, float p_weight) {
+ if (is_equal_approx(p_from, p_to)) return p_from;
+ float x = CLAMP((p_weight - p_from) / (p_to - p_from), 0.0f, 1.0f);
+ return x * x * (3.0f - 2.0f * x);
+ }
+
static _ALWAYS_INLINE_ double linear2db(double p_linear) { return Math::log(p_linear) * 8.6858896380650365530225783783321; }
static _ALWAYS_INLINE_ float linear2db(float p_linear) { return Math::log(p_linear) * 8.6858896380650365530225783783321; }
@@ -261,13 +272,20 @@ public:
return diff < epsilon;
}
- static _ALWAYS_INLINE_ bool is_equal_approx(real_t a, real_t b, real_t epsilon = CMP_EPSILON) {
- // TODO: Comparing floats for approximate-equality is non-trivial.
- // Using epsilon should cover the typical cases in Godot (where a == b is used to compare two reals), such as matrix and vector comparison operators.
- // A proper implementation in terms of ULPs should eventually replace the contents of this function.
- // See https://randomascii.wordpress.com/2012/02/25/comparing-floating-point-numbers-2012-edition/ for details.
+ static _ALWAYS_INLINE_ bool is_equal_approx(real_t a, real_t b) {
+ real_t tolerance = CMP_EPSILON * abs(a);
+ if (tolerance < CMP_EPSILON) {
+ tolerance = CMP_EPSILON;
+ }
+ return abs(a - b) < tolerance;
+ }
+
+ static _ALWAYS_INLINE_ bool is_equal_approx(real_t a, real_t b, real_t tolerance) {
+ return abs(a - b) < tolerance;
+ }
- return abs(a - b) < epsilon;
+ static _ALWAYS_INLINE_ bool is_zero_approx(real_t s) {
+ return abs(s) < CMP_EPSILON;
}
static _ALWAYS_INLINE_ float absf(float g) {
diff --git a/core/math/plane.cpp b/core/math/plane.cpp
index cd3cbce300..b01853c4ac 100644
--- a/core/math/plane.cpp
+++ b/core/math/plane.cpp
@@ -110,7 +110,7 @@ bool Plane::intersects_ray(const Vector3 &p_from, const Vector3 &p_dir, Vector3
real_t den = normal.dot(segment);
//printf("den is %i\n",den);
- if (Math::abs(den) <= CMP_EPSILON) {
+ if (Math::is_zero_approx(den)) {
return false;
}
@@ -135,7 +135,7 @@ bool Plane::intersects_segment(const Vector3 &p_begin, const Vector3 &p_end, Vec
real_t den = normal.dot(segment);
//printf("den is %i\n",den);
- if (Math::abs(den) <= CMP_EPSILON) {
+ if (Math::is_zero_approx(den)) {
return false;
}
diff --git a/core/math/plane.h b/core/math/plane.h
index 1c6e4b816b..ec817edd2c 100644
--- a/core/math/plane.h
+++ b/core/math/plane.h
@@ -125,12 +125,12 @@ Plane::Plane(const Vector3 &p_point1, const Vector3 &p_point2, const Vector3 &p_
bool Plane::operator==(const Plane &p_plane) const {
- return normal == p_plane.normal && d == p_plane.d;
+ return normal == p_plane.normal && Math::is_equal_approx(d, p_plane.d);
}
bool Plane::operator!=(const Plane &p_plane) const {
- return normal != p_plane.normal || d != p_plane.d;
+ return normal != p_plane.normal || !Math::is_equal_approx(d, p_plane.d);
}
#endif // PLANE_H
diff --git a/core/math/quat.h b/core/math/quat.h
index 7d71ec03e8..8ed2fa7cc2 100644
--- a/core/math/quat.h
+++ b/core/math/quat.h
@@ -131,6 +131,14 @@ public:
w(q.w) {
}
+ Quat operator=(const Quat &q) {
+ x = q.x;
+ y = q.y;
+ z = q.z;
+ w = q.w;
+ return *this;
+ }
+
Quat(const Vector3 &v0, const Vector3 &v1) // shortest arc
{
Vector3 c = v0.cross(v1);
diff --git a/core/math/random_number_generator.cpp b/core/math/random_number_generator.cpp
index fccc0f72fe..6add00c1d8 100644
--- a/core/math/random_number_generator.cpp
+++ b/core/math/random_number_generator.cpp
@@ -40,6 +40,7 @@ void RandomNumberGenerator::_bind_methods() {
ClassDB::bind_method(D_METHOD("randi"), &RandomNumberGenerator::randi);
ClassDB::bind_method(D_METHOD("randf"), &RandomNumberGenerator::randf);
+ ClassDB::bind_method(D_METHOD("randfn", "mean", "deviation"), &RandomNumberGenerator::randfn, DEFVAL(0.0), DEFVAL(1.0));
ClassDB::bind_method(D_METHOD("randf_range", "from", "to"), &RandomNumberGenerator::randf_range);
ClassDB::bind_method(D_METHOD("randi_range", "from", "to"), &RandomNumberGenerator::randi_range);
ClassDB::bind_method(D_METHOD("randomize"), &RandomNumberGenerator::randomize);
diff --git a/core/math/random_number_generator.h b/core/math/random_number_generator.h
index 66c77b8ccf..6b6bcdd2cd 100644
--- a/core/math/random_number_generator.h
+++ b/core/math/random_number_generator.h
@@ -55,6 +55,8 @@ public:
_FORCE_INLINE_ real_t randf_range(real_t from, real_t to) { return randbase.random(from, to); }
+ _FORCE_INLINE_ real_t randfn(real_t mean = 0.0, real_t deviation = 1.0) { return randbase.randfn(mean, deviation); }
+
_FORCE_INLINE_ int randi_range(int from, int to) {
unsigned int ret = randbase.rand();
return ret % (to - from + 1) + from;
diff --git a/core/math/random_pcg.h b/core/math/random_pcg.h
index cd721ef4d1..0d1b311c0d 100644
--- a/core/math/random_pcg.h
+++ b/core/math/random_pcg.h
@@ -31,6 +31,8 @@
#ifndef RANDOM_PCG_H
#define RANDOM_PCG_H
+#include <math.h>
+
#include "core/math/math_defs.h"
#include "thirdparty/misc/pcg.h"
@@ -61,6 +63,13 @@ public:
_FORCE_INLINE_ double randd() { return (double)rand() / (double)RANDOM_MAX; }
_FORCE_INLINE_ float randf() { return (float)rand() / (float)RANDOM_MAX; }
+ _FORCE_INLINE_ double randfn(double p_mean, double p_deviation) {
+ return p_mean + p_deviation * (cos(Math_TAU * randd()) * sqrt(-2.0 * log(randd()))); // Box-Muller transform
+ }
+ _FORCE_INLINE_ float randfn(float p_mean, float p_deviation) {
+ return p_mean + p_deviation * (cos(Math_TAU * randf()) * sqrt(-2.0 * log(randf()))); // Box-Muller transform
+ }
+
double random(double p_from, double p_to);
float random(float p_from, float p_to);
real_t random(int p_from, int p_to) { return (real_t)random((real_t)p_from, (real_t)p_to); }
diff --git a/core/math/transform_2d.cpp b/core/math/transform_2d.cpp
index 7d00158f3d..1d0387bd45 100644
--- a/core/math/transform_2d.cpp
+++ b/core/math/transform_2d.cpp
@@ -106,7 +106,7 @@ Size2 Transform2D::get_scale() const {
return Size2(elements[0].length(), det_sign * elements[1].length());
}
-void Transform2D::set_scale(Size2 &p_scale) {
+void Transform2D::set_scale(const Size2 &p_scale) {
elements[0].normalize();
elements[1].normalize();
elements[0] *= p_scale.x;
diff --git a/core/math/transform_2d.h b/core/math/transform_2d.h
index b9e7a36fb3..c44678674a 100644
--- a/core/math/transform_2d.h
+++ b/core/math/transform_2d.h
@@ -81,7 +81,7 @@ struct Transform2D {
real_t basis_determinant() const;
Size2 get_scale() const;
- void set_scale(Size2 &p_scale);
+ void set_scale(const Size2 &p_scale);
_FORCE_INLINE_ const Vector2 &get_origin() const { return elements[2]; }
_FORCE_INLINE_ void set_origin(const Vector2 &p_origin) { elements[2] = p_origin; }
diff --git a/core/math/vector2.h b/core/math/vector2.h
index a20326f667..a0c6024c9f 100644
--- a/core/math/vector2.h
+++ b/core/math/vector2.h
@@ -65,6 +65,7 @@ struct Vector2 {
real_t distance_squared_to(const Vector2 &p_vector2) const;
real_t angle_to(const Vector2 &p_vector2) const;
real_t angle_to_point(const Vector2 &p_vector2) const;
+ _FORCE_INLINE_ Vector2 direction_to(const Vector2 &p_b) const;
real_t dot(const Vector2 &p_other) const;
real_t cross(const Vector2 &p_other) const;
@@ -98,14 +99,15 @@ struct Vector2 {
Vector2 operator/(const real_t &rvalue) const;
void operator/=(const real_t &rvalue);
+ void operator/=(const Vector2 &rvalue) { *this = *this / rvalue; }
Vector2 operator-() const;
bool operator==(const Vector2 &p_vec2) const;
bool operator!=(const Vector2 &p_vec2) const;
- bool operator<(const Vector2 &p_vec2) const { return (x == p_vec2.x) ? (y < p_vec2.y) : (x < p_vec2.x); }
- bool operator<=(const Vector2 &p_vec2) const { return (x == p_vec2.x) ? (y <= p_vec2.y) : (x <= p_vec2.x); }
+ bool operator<(const Vector2 &p_vec2) const { return (Math::is_equal_approx(x, p_vec2.x)) ? (y < p_vec2.y) : (x < p_vec2.x); }
+ bool operator<=(const Vector2 &p_vec2) const { return (Math::is_equal_approx(x, p_vec2.x)) ? (y <= p_vec2.y) : (x < p_vec2.x); }
real_t angle() const;
@@ -211,11 +213,11 @@ _FORCE_INLINE_ Vector2 Vector2::operator-() const {
_FORCE_INLINE_ bool Vector2::operator==(const Vector2 &p_vec2) const {
- return x == p_vec2.x && y == p_vec2.y;
+ return Math::is_equal_approx(x, p_vec2.x) && Math::is_equal_approx(y, p_vec2.y);
}
_FORCE_INLINE_ bool Vector2::operator!=(const Vector2 &p_vec2) const {
- return x != p_vec2.x || y != p_vec2.y;
+ return !Math::is_equal_approx(x, p_vec2.x) || !Math::is_equal_approx(y, p_vec2.y);
}
Vector2 Vector2::linear_interpolate(const Vector2 &p_b, real_t p_t) const {
@@ -236,6 +238,12 @@ Vector2 Vector2::slerp(const Vector2 &p_b, real_t p_t) const {
return rotated(theta * p_t);
}
+Vector2 Vector2::direction_to(const Vector2 &p_b) const {
+ Vector2 ret(p_b.x - x, p_b.y - y);
+ ret.normalize();
+ return ret;
+}
+
Vector2 Vector2::linear_interpolate(const Vector2 &p_a, const Vector2 &p_b, real_t p_t) {
Vector2 res = p_a;
diff --git a/core/math/vector3.h b/core/math/vector3.h
index b11838d16e..21fc09653f 100644
--- a/core/math/vector3.h
+++ b/core/math/vector3.h
@@ -112,6 +112,7 @@ struct Vector3 {
_FORCE_INLINE_ Vector3 project(const Vector3 &p_b) const;
_FORCE_INLINE_ real_t angle_to(const Vector3 &p_b) const;
+ _FORCE_INLINE_ Vector3 direction_to(const Vector3 &p_b) const;
_FORCE_INLINE_ Vector3 slide(const Vector3 &p_normal) const;
_FORCE_INLINE_ Vector3 bounce(const Vector3 &p_normal) const;
@@ -244,6 +245,12 @@ real_t Vector3::angle_to(const Vector3 &p_b) const {
return Math::atan2(cross(p_b).length(), dot(p_b));
}
+Vector3 Vector3::direction_to(const Vector3 &p_b) const {
+ Vector3 ret(p_b.x - x, p_b.y - y, p_b.z - z);
+ ret.normalize();
+ return ret;
+}
+
/* Operators */
Vector3 &Vector3::operator+=(const Vector3 &p_v) {
@@ -334,17 +341,17 @@ Vector3 Vector3::operator-() const {
bool Vector3::operator==(const Vector3 &p_v) const {
- return (x == p_v.x && y == p_v.y && z == p_v.z);
+ return (Math::is_equal_approx(x, p_v.x) && Math::is_equal_approx(y, p_v.y) && Math::is_equal_approx(z, p_v.z));
}
bool Vector3::operator!=(const Vector3 &p_v) const {
- return (x != p_v.x || y != p_v.y || z != p_v.z);
+ return (!Math::is_equal_approx(x, p_v.x) || !Math::is_equal_approx(y, p_v.y) || !Math::is_equal_approx(z, p_v.z));
}
bool Vector3::operator<(const Vector3 &p_v) const {
- if (x == p_v.x) {
- if (y == p_v.y)
+ if (Math::is_equal_approx(x, p_v.x)) {
+ if (Math::is_equal_approx(y, p_v.y))
return z < p_v.z;
else
return y < p_v.y;
@@ -355,8 +362,8 @@ bool Vector3::operator<(const Vector3 &p_v) const {
bool Vector3::operator<=(const Vector3 &p_v) const {
- if (x == p_v.x) {
- if (y == p_v.y)
+ if (Math::is_equal_approx(x, p_v.x)) {
+ if (Math::is_equal_approx(y, p_v.y))
return z <= p_v.z;
else
return y < p_v.y;
@@ -395,13 +402,14 @@ real_t Vector3::length_squared() const {
void Vector3::normalize() {
- real_t l = length();
- if (l == 0) {
+ real_t lengthsq = length_squared();
+ if (lengthsq == 0) {
x = y = z = 0;
} else {
- x /= l;
- y /= l;
- z /= l;
+ real_t length = Math::sqrt(lengthsq);
+ x /= length;
+ y /= length;
+ z /= length;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-16 14:55:04 +0000