summaryrefslogtreecommitdiff
path: root/core/math
diff options
context:
space:
mode:
Diffstat (limited to 'core/math')
-rw-r--r--core/math/basis.cpp7
-rw-r--r--core/math/color.h8
-rw-r--r--core/math/dynamic_bvh.cpp29
-rw-r--r--core/math/dynamic_bvh.h41
-rw-r--r--core/math/expression.cpp2
-rw-r--r--core/math/face3.cpp2
-rw-r--r--core/math/geometry_2d.cpp8
-rw-r--r--core/math/math_funcs.h3
-rw-r--r--core/math/quat.cpp9
-rw-r--r--core/math/quick_hull.cpp2
-rw-r--r--core/math/random_pcg.cpp2
-rw-r--r--core/math/transform.cpp1
-rw-r--r--core/math/triangulate.cpp2
13 files changed, 67 insertions, 49 deletions
diff --git a/core/math/basis.cpp b/core/math/basis.cpp
index cbdd8a8c9f..50299902eb 100644
--- a/core/math/basis.cpp
+++ b/core/math/basis.cpp
@@ -31,7 +31,6 @@
#include "basis.h"
#include "core/math/math_funcs.h"
-#include "core/os/copymem.h"
#include "core/string/print_string.h"
#define cofac(row1, col1, row2, col2) \
@@ -132,7 +131,7 @@ bool Basis::is_symmetric() const {
Basis Basis::diagonalize() {
//NOTE: only implemented for symmetric matrices
-//with the Jacobi iterative method method
+//with the Jacobi iterative method
#ifdef MATH_CHECKS
ERR_FAIL_COND_V(!is_symmetric(), Basis());
#endif
@@ -317,7 +316,7 @@ Vector3 Basis::rotref_posscale_decomposition(Basis &rotref) const {
// Multiplies the matrix from left by the rotation matrix: M -> R.M
// Note that this does *not* rotate the matrix itself.
//
-// The main use of Basis is as Transform.basis, which is used a the transformation matrix
+// The main use of Basis is as Transform.basis, which is used by the transformation matrix
// of 3D object. Rotate here refers to rotation of the object (which is R * (*this)),
// not the matrix itself (which is R * (*this) * R.transposed()).
Basis Basis::rotated(const Vector3 &p_axis, real_t p_phi) const {
@@ -881,7 +880,7 @@ void Basis::get_axis_angle(Vector3 &r_axis, real_t &r_angle) const {
if ((Math::abs(elements[1][0] - elements[0][1]) < epsilon) && (Math::abs(elements[2][0] - elements[0][2]) < epsilon) && (Math::abs(elements[2][1] - elements[1][2]) < epsilon)) {
// singularity found
// first check for identity matrix which must have +1 for all terms
- // in leading diagonaland zero in other terms
+ // in leading diagonal and zero in other terms
if ((Math::abs(elements[1][0] + elements[0][1]) < epsilon2) && (Math::abs(elements[2][0] + elements[0][2]) < epsilon2) && (Math::abs(elements[2][1] + elements[1][2]) < epsilon2) && (Math::abs(elements[0][0] + elements[1][1] + elements[2][2] - 3) < epsilon2)) {
// this singularity is identity matrix so angle = 0
r_axis = Vector3(0, 1, 0);
diff --git a/core/math/color.h b/core/math/color.h
index 5eb8b1119a..e404d80c8a 100644
--- a/core/math/color.h
+++ b/core/math/color.h
@@ -197,13 +197,13 @@ struct Color {
// For the binder.
_FORCE_INLINE_ void set_r8(int32_t r8) { r = (CLAMP(r8, 0, 255) / 255.0); }
- _FORCE_INLINE_ int32_t get_r8() const { return int32_t(CLAMP(r * 255.0, 0.0, 255.0)); }
+ _FORCE_INLINE_ int32_t get_r8() const { return int32_t(CLAMP(Math::round(r * 255.0f), 0.0f, 255.0f)); }
_FORCE_INLINE_ void set_g8(int32_t g8) { g = (CLAMP(g8, 0, 255) / 255.0); }
- _FORCE_INLINE_ int32_t get_g8() const { return int32_t(CLAMP(g * 255.0, 0.0, 255.0)); }
+ _FORCE_INLINE_ int32_t get_g8() const { return int32_t(CLAMP(Math::round(g * 255.0f), 0.0f, 255.0f)); }
_FORCE_INLINE_ void set_b8(int32_t b8) { b = (CLAMP(b8, 0, 255) / 255.0); }
- _FORCE_INLINE_ int32_t get_b8() const { return int32_t(CLAMP(b * 255.0, 0.0, 255.0)); }
+ _FORCE_INLINE_ int32_t get_b8() const { return int32_t(CLAMP(Math::round(b * 255.0f), 0.0f, 255.0f)); }
_FORCE_INLINE_ void set_a8(int32_t a8) { a = (CLAMP(a8, 0, 255) / 255.0); }
- _FORCE_INLINE_ int32_t get_a8() const { return int32_t(CLAMP(a * 255.0, 0.0, 255.0)); }
+ _FORCE_INLINE_ int32_t get_a8() const { return int32_t(CLAMP(Math::round(a * 255.0f), 0.0f, 255.0f)); }
_FORCE_INLINE_ void set_h(float p_h) { set_hsv(p_h, get_s(), get_v()); }
_FORCE_INLINE_ void set_s(float p_s) { set_hsv(get_h(), p_s, get_v()); }
diff --git a/core/math/dynamic_bvh.cpp b/core/math/dynamic_bvh.cpp
index 4639a52278..200095d8cb 100644
--- a/core/math/dynamic_bvh.cpp
+++ b/core/math/dynamic_bvh.cpp
@@ -61,7 +61,7 @@ DynamicBVH::Node *DynamicBVH::_create_node_with_volume(Node *p_parent, const Vol
void DynamicBVH::_insert_leaf(Node *p_root, Node *p_leaf) {
if (!bvh_root) {
bvh_root = p_leaf;
- p_leaf->parent = 0;
+ p_leaf->parent = nullptr;
} else {
if (!p_root->is_leaf()) {
do {
@@ -71,7 +71,7 @@ void DynamicBVH::_insert_leaf(Node *p_root, Node *p_leaf) {
} while (!p_root->is_leaf());
}
Node *prev = p_root->parent;
- Node *node = _create_node_with_volume(prev, p_leaf->volume.merge(p_root->volume), 0);
+ Node *node = _create_node_with_volume(prev, p_leaf->volume.merge(p_root->volume), nullptr);
if (prev) {
prev->childs[p_root->get_index_in_parent()] = node;
node->childs[0] = p_root;
@@ -85,7 +85,7 @@ void DynamicBVH::_insert_leaf(Node *p_root, Node *p_leaf) {
break;
}
node = prev;
- } while (0 != (prev = node->parent));
+ } while (nullptr != (prev = node->parent));
} else {
node->childs[0] = p_root;
p_root->parent = node;
@@ -98,8 +98,8 @@ void DynamicBVH::_insert_leaf(Node *p_root, Node *p_leaf) {
DynamicBVH::Node *DynamicBVH::_remove_leaf(Node *leaf) {
if (leaf == bvh_root) {
- bvh_root = 0;
- return (0);
+ bvh_root = nullptr;
+ return (nullptr);
} else {
Node *parent = leaf->parent;
Node *prev = parent->parent;
@@ -113,13 +113,14 @@ DynamicBVH::Node *DynamicBVH::_remove_leaf(Node *leaf) {
prev->volume = prev->childs[0]->volume.merge(prev->childs[1]->volume);
if (pb.is_not_equal_to(prev->volume)) {
prev = prev->parent;
- } else
+ } else {
break;
+ }
}
return (prev ? prev : bvh_root);
} else {
bvh_root = sibling;
- sibling->parent = 0;
+ sibling->parent = nullptr;
_delete_node(parent);
return (bvh_root);
}
@@ -262,10 +263,11 @@ DynamicBVH::Node *DynamicBVH::_node_sort(Node *n, Node *&r) {
Node *s = p->childs[j];
Node *q = p->parent;
ERR_FAIL_COND_V(n != p->childs[i], nullptr);
- if (q)
+ if (q) {
q->childs[p->get_index_in_parent()] = n;
- else
+ } else {
r = n;
+ }
s->parent = n;
p->parent = n;
n->parent = q;
@@ -307,8 +309,9 @@ void DynamicBVH::optimize_top_down(int bu_threshold) {
}
void DynamicBVH::optimize_incremental(int passes) {
- if (passes < 0)
+ if (passes < 0) {
passes = total_leaves;
+ }
if (bvh_root && (passes > 0)) {
do {
Node *node = bvh_root;
@@ -345,8 +348,9 @@ void DynamicBVH::_update(Node *leaf, int lookahead) {
for (int i = 0; (i < lookahead) && root->parent; ++i) {
root = root->parent;
}
- } else
+ } else {
root = bvh_root;
+ }
}
_insert_leaf(root, leaf);
}
@@ -370,8 +374,9 @@ bool DynamicBVH::update(const ID &p_id, const AABB &p_box) {
for (int i = 0; (i < lkhd) && base->parent; ++i) {
base = base->parent;
}
- } else
+ } else {
base = bvh_root;
+ }
}
leaf->volume = volume;
_insert_leaf(base, leaf);
diff --git a/core/math/dynamic_bvh.h b/core/math/dynamic_bvh.h
index c71db2d24d..0b6286cd9d 100644
--- a/core/math/dynamic_bvh.h
+++ b/core/math/dynamic_bvh.h
@@ -87,14 +87,16 @@ private:
_FORCE_INLINE_ Volume merge(const Volume &b) const {
Volume r;
for (int i = 0; i < 3; ++i) {
- if (min[i] < b.min[i])
+ if (min[i] < b.min[i]) {
r.min[i] = min[i];
- else
+ } else {
r.min[i] = b.min[i];
- if (max[i] > b.max[i])
+ }
+ if (max[i] > b.max[i]) {
r.max[i] = max[i];
- else
+ } else {
r.max[i] = b.max[i];
+ }
}
return r;
}
@@ -202,10 +204,11 @@ private:
//
int count_leaves() const {
- if (is_internal())
+ if (is_internal()) {
return childs[0]->count_leaves() + childs[1]->count_leaves();
- else
+ } else {
return (1);
+ }
}
bool is_left_of_axis(const Vector3 &org, const Vector3 &axis) const {
@@ -254,31 +257,37 @@ private:
tymin = (bounds[raySign[1]].y - rayFrom.y) * rayInvDirection.y;
tymax = (bounds[1 - raySign[1]].y - rayFrom.y) * rayInvDirection.y;
- if ((tmin > tymax) || (tymin > tmax))
+ if ((tmin > tymax) || (tymin > tmax)) {
return false;
+ }
- if (tymin > tmin)
+ if (tymin > tmin) {
tmin = tymin;
+ }
- if (tymax < tmax)
+ if (tymax < tmax) {
tmax = tymax;
+ }
tzmin = (bounds[raySign[2]].z - rayFrom.z) * rayInvDirection.z;
tzmax = (bounds[1 - raySign[2]].z - rayFrom.z) * rayInvDirection.z;
- if ((tmin > tzmax) || (tzmin > tmax))
+ if ((tmin > tzmax) || (tzmin > tmax)) {
return false;
- if (tzmin > tmin)
+ }
+ if (tzmin > tmin) {
tmin = tzmin;
- if (tzmax < tmax)
+ }
+ if (tzmax < tmax) {
tmax = tzmax;
+ }
return ((tmin < lambda_max) && (tmax > lambda_min));
}
public:
// Methods
void clear();
- bool is_empty() const { return (0 == bvh_root); }
+ bool is_empty() const { return (nullptr == bvh_root); }
void optimize_bottom_up();
void optimize_top_down(int bu_threshold = 128);
void optimize_incremental(int passes);
@@ -334,7 +343,7 @@ void DynamicBVH::aabb_query(const AABB &p_box, QueryResult &r_result) {
if (depth > threshold) {
if (aux_stack.is_empty()) {
aux_stack.resize(ALLOCA_STACK_SIZE * 2);
- copymem(aux_stack.ptr(), stack, ALLOCA_STACK_SIZE * sizeof(const Node *));
+ memcpy(aux_stack.ptr(), stack, ALLOCA_STACK_SIZE * sizeof(const Node *));
} else {
aux_stack.resize(aux_stack.size() * 2);
}
@@ -390,7 +399,7 @@ void DynamicBVH::convex_query(const Plane *p_planes, int p_plane_count, const Ve
if (depth > threshold) {
if (aux_stack.is_empty()) {
aux_stack.resize(ALLOCA_STACK_SIZE * 2);
- copymem(aux_stack.ptr(), stack, ALLOCA_STACK_SIZE * sizeof(const Node *));
+ memcpy(aux_stack.ptr(), stack, ALLOCA_STACK_SIZE * sizeof(const Node *));
} else {
aux_stack.resize(aux_stack.size() * 2);
}
@@ -447,7 +456,7 @@ void DynamicBVH::ray_query(const Vector3 &p_from, const Vector3 &p_to, QueryResu
if (depth > threshold) {
if (aux_stack.is_empty()) {
aux_stack.resize(ALLOCA_STACK_SIZE * 2);
- copymem(aux_stack.ptr(), stack, ALLOCA_STACK_SIZE * sizeof(const Node *));
+ memcpy(aux_stack.ptr(), stack, ALLOCA_STACK_SIZE * sizeof(const Node *));
} else {
aux_stack.resize(aux_stack.size() * 2);
}
diff --git a/core/math/expression.cpp b/core/math/expression.cpp
index 636ea601c7..f7ac44d321 100644
--- a/core/math/expression.cpp
+++ b/core/math/expression.cpp
@@ -978,7 +978,7 @@ Expression::ENode *Expression::_parse_expression() {
}
}
- /* Reduce the set set of expressions and place them in an operator tree, respecting precedence */
+ /* Reduce the set of expressions and place them in an operator tree, respecting precedence */
while (expression.size() > 1) {
int next_op = -1;
diff --git a/core/math/face3.cpp b/core/math/face3.cpp
index beb0a8e405..20c316c322 100644
--- a/core/math/face3.cpp
+++ b/core/math/face3.cpp
@@ -169,7 +169,7 @@ Vector3 Face3::get_median_point() const {
}
real_t Face3::get_area() const {
- return vec3_cross(vertex[0] - vertex[1], vertex[0] - vertex[2]).length();
+ return vec3_cross(vertex[0] - vertex[1], vertex[0] - vertex[2]).length() * 0.5;
}
ClockDirection Face3::get_clock_dir() const {
diff --git a/core/math/geometry_2d.cpp b/core/math/geometry_2d.cpp
index d67be14d33..7b2630b4ff 100644
--- a/core/math/geometry_2d.cpp
+++ b/core/math/geometry_2d.cpp
@@ -87,9 +87,9 @@ struct _AtlasWorkRectResult {
void Geometry2D::make_atlas(const Vector<Size2i> &p_rects, Vector<Point2i> &r_result, Size2i &r_size) {
// Super simple, almost brute force scanline stacking fitter.
// It's pretty basic for now, but it tries to make sure that the aspect ratio of the
- // resulting atlas is somehow square. This is necessary because video cards have limits.
- // On texture size (usually 2048 or 4096), so the more square a texture, the more chances.
- // It will work in every hardware.
+ // resulting atlas is somehow square. This is necessary because video cards have limits
+ // on texture size (usually 2048 or 4096), so the squarer a texture, the more the chances
+ // that it will work in every hardware.
// For example, it will prioritize a 1024x1024 atlas (works everywhere) instead of a
// 256x8192 atlas (won't work anywhere).
@@ -358,7 +358,7 @@ Vector<Point2i> Geometry2D::pack_rects(const Vector<Size2i> &p_sizes, const Size
Vector<Vector3i> Geometry2D::partial_pack_rects(const Vector<Vector2i> &p_sizes, const Size2i &p_atlas_size) {
Vector<stbrp_node> nodes;
nodes.resize(p_atlas_size.width);
- zeromem(nodes.ptrw(), sizeof(stbrp_node) * nodes.size());
+ memset(nodes.ptrw(), 0, sizeof(stbrp_node) * nodes.size());
stbrp_context context;
stbrp_init_target(&context, p_atlas_size.width, p_atlas_size.height, nodes.ptrw(), p_atlas_size.width);
diff --git a/core/math/math_funcs.h b/core/math/math_funcs.h
index 267f6a4fe2..8cf13efdb6 100644
--- a/core/math/math_funcs.h
+++ b/core/math/math_funcs.h
@@ -103,6 +103,9 @@ public:
static _ALWAYS_INLINE_ double log(double p_x) { return ::log(p_x); }
static _ALWAYS_INLINE_ float log(float p_x) { return ::logf(p_x); }
+ static _ALWAYS_INLINE_ double log2(double p_x) { return ::log2(p_x); }
+ static _ALWAYS_INLINE_ float log2(float p_x) { return ::log2f(p_x); }
+
static _ALWAYS_INLINE_ double exp(double p_x) { return ::exp(p_x); }
static _ALWAYS_INLINE_ float exp(float p_x) { return ::expf(p_x); }
diff --git a/core/math/quat.cpp b/core/math/quat.cpp
index a9a21a1ba3..6f13e04027 100644
--- a/core/math/quat.cpp
+++ b/core/math/quat.cpp
@@ -55,10 +55,13 @@ Vector3 Quat::get_euler_yxz() const {
}
void Quat::operator*=(const Quat &p_q) {
- x = w * p_q.x + x * p_q.w + y * p_q.z - z * p_q.y;
- y = w * p_q.y + y * p_q.w + z * p_q.x - x * p_q.z;
- z = w * p_q.z + z * p_q.w + x * p_q.y - y * p_q.x;
+ real_t xx = w * p_q.x + x * p_q.w + y * p_q.z - z * p_q.y;
+ real_t yy = w * p_q.y + y * p_q.w + z * p_q.x - x * p_q.z;
+ real_t zz = w * p_q.z + z * p_q.w + x * p_q.y - y * p_q.x;
w = w * p_q.w - x * p_q.x - y * p_q.y - z * p_q.z;
+ x = xx;
+ y = yy;
+ z = zz;
}
Quat Quat::operator*(const Quat &p_q) const {
diff --git a/core/math/quick_hull.cpp b/core/math/quick_hull.cpp
index ad28967d7a..fe18cc3d41 100644
--- a/core/math/quick_hull.cpp
+++ b/core/math/quick_hull.cpp
@@ -268,7 +268,7 @@ Error QuickHull::build(const Vector<Vector3> &p_points, Geometry3D::MeshData &r_
for (Map<Edge, FaceConnect>::Element *E = lit_edges.front(); E; E = E->next()) {
FaceConnect &fc = E->get();
if (fc.left && fc.right) {
- continue; //edge is uninteresting, not on horizont
+ continue; //edge is uninteresting, not on horizon
}
//create new face!
diff --git a/core/math/random_pcg.cpp b/core/math/random_pcg.cpp
index 9609620469..1152c4e834 100644
--- a/core/math/random_pcg.cpp
+++ b/core/math/random_pcg.cpp
@@ -39,7 +39,7 @@ RandomPCG::RandomPCG(uint64_t p_seed, uint64_t p_inc) :
}
void RandomPCG::randomize() {
- seed(OS::get_singleton()->get_ticks_usec() * pcg.state + PCG_DEFAULT_INC_64);
+ seed((OS::get_singleton()->get_unix_time() + OS::get_singleton()->get_ticks_usec()) * pcg.state + PCG_DEFAULT_INC_64);
}
double RandomPCG::random(double p_from, double p_to) {
diff --git a/core/math/transform.cpp b/core/math/transform.cpp
index fab5d124fa..d4d7ff6d28 100644
--- a/core/math/transform.cpp
+++ b/core/math/transform.cpp
@@ -31,7 +31,6 @@
#include "transform.h"
#include "core/math/math_funcs.h"
-#include "core/os/copymem.h"
#include "core/string/print_string.h"
void Transform::affine_invert() {
diff --git a/core/math/triangulate.cpp b/core/math/triangulate.cpp
index 0047c0705d..fa1588dbc5 100644
--- a/core/math/triangulate.cpp
+++ b/core/math/triangulate.cpp
@@ -97,7 +97,7 @@ bool Triangulate::snip(const Vector<Vector2> &p_contour, int u, int v, int w, in
// It can happen that the triangulation ends up with three aligned vertices to deal with.
// In this scenario, making the check below strict may reject the possibility of
- // forming a last triangle with these aligned vertices, preventing the triangulatiom
+ // forming a last triangle with these aligned vertices, preventing the triangulation
// from completing.
// To avoid that we allow zero-area triangles if all else failed.
float threshold = relaxed ? -CMP_EPSILON : CMP_EPSILON;