diff options
author | Clément Foucault <foucault.clem@gmail.com> | 2022-01-12 14:43:40 +0300 |
---|---|---|
committer | Clément Foucault <foucault.clem@gmail.com> | 2022-01-12 14:44:26 +0300 |
commit | e5766752d04794c2693dedad75baeb8c7d68f4cf (patch) | |
tree | 7f5354d1272612a32c28bfda4c03259970c402b7 /source/blender/blenlib/BLI_double3.hh | |
parent | b2ccd8546c7249a5ce279210d45ddbb5e90cd10d (diff) |
Revert "BLI: Refactor vector types & functions to use templates"
Reverted because the commit removes a lot of commits.
This reverts commit a2c1c368af48644fa8995ecbe7138cc0d7900c30.
Diffstat (limited to 'source/blender/blenlib/BLI_double3.hh')
-rw-r--r-- | source/blender/blenlib/BLI_double3.hh | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_double3.hh b/source/blender/blenlib/BLI_double3.hh new file mode 100644 index 00000000000..ab258c9121b --- /dev/null +++ b/source/blender/blenlib/BLI_double3.hh @@ -0,0 +1,246 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#pragma once + +/** \file + * \ingroup bli + */ + +#include <iostream> + +#include "BLI_math_vector.h" +#include "BLI_span.hh" + +namespace blender { + +struct double3 { + double x, y, z; + + double3() = default; + + double3(const double *ptr) : x{ptr[0]}, y{ptr[1]}, z{ptr[2]} + { + } + + double3(const double (*ptr)[3]) : double3((const double *)ptr) + { + } + + explicit double3(double value) : x(value), y(value), z(value) + { + } + + explicit double3(int value) : x(value), y(value), z(value) + { + } + + double3(double x, double y, double z) : x{x}, y{y}, z{z} + { + } + + operator const double *() const + { + return &x; + } + + operator double *() + { + return &x; + } + + double normalize_and_get_length() + { + return normalize_v3_db(*this); + } + + double3 normalized() const + { + double3 result; + normalize_v3_v3_db(result, *this); + return result; + } + + double length() const + { + return len_v3_db(*this); + } + + double length_squared() const + { + return len_squared_v3_db(*this); + } + + void reflect(const double3 &normal) + { + *this = this->reflected(normal); + } + + double3 reflected(const double3 &normal) const + { + double3 result; + reflect_v3_v3v3_db(result, *this, normal); + return result; + } + + static double3 safe_divide(const double3 &a, const double3 &b) + { + double3 result; + result.x = (b.x == 0.0) ? 0.0 : a.x / b.x; + result.y = (b.y == 0.0) ? 0.0 : a.y / b.y; + result.z = (b.z == 0.0) ? 0.0 : a.z / b.z; + return result; + } + + void invert() + { + x = -x; + y = -y; + z = -z; + } + + friend double3 operator+(const double3 &a, const double3 &b) + { + return {a.x + b.x, a.y + b.y, a.z + b.z}; + } + + void operator+=(const double3 &b) + { + this->x += b.x; + this->y += b.y; + this->z += b.z; + } + + friend double3 operator-(const double3 &a, const double3 &b) + { + return {a.x - b.x, a.y - b.y, a.z - b.z}; + } + + friend double3 operator-(const double3 &a) + { + return {-a.x, -a.y, -a.z}; + } + + void operator-=(const double3 &b) + { + this->x -= b.x; + this->y -= b.y; + this->z -= b.z; + } + + void operator*=(const double &scalar) + { + this->x *= scalar; + this->y *= scalar; + this->z *= scalar; + } + + void operator*=(const double3 &other) + { + this->x *= other.x; + this->y *= other.y; + this->z *= other.z; + } + + friend double3 operator*(const double3 &a, const double3 &b) + { + return {a.x * b.x, a.y * b.y, a.z * b.z}; + } + + friend double3 operator*(const double3 &a, const double &b) + { + return {a.x * b, a.y * b, a.z * b}; + } + + friend double3 operator*(const double &a, const double3 &b) + { + return b * a; + } + + friend double3 operator/(const double3 &a, const double &b) + { + BLI_assert(b != 0.0); + return {a.x / b, a.y / b, a.z / b}; + } + + friend bool operator==(const double3 &a, const double3 &b) + { + return a.x == b.x && a.y == b.y && a.z == b.z; + } + + friend bool operator!=(const double3 &a, const double3 &b) + { + return a.x != b.x || a.y != b.y || a.z != b.z; + } + + friend std::ostream &operator<<(std::ostream &stream, const double3 &v) + { + stream << "(" << v.x << ", " << v.y << ", " << v.z << ")"; + return stream; + } + + static double dot(const double3 &a, const double3 &b) + { + return a.x * b.x + a.y * b.y + a.z * b.z; + } + + static double3 cross_high_precision(const double3 &a, const double3 &b) + { + double3 result; + cross_v3_v3v3_db(result, a, b); + return result; + } + + static double3 project(const double3 &a, const double3 &b) + { + double3 result; + project_v3_v3v3_db(result, a, b); + return result; + } + + static double distance(const double3 &a, const double3 &b) + { + return (a - b).length(); + } + + static double distance_squared(const double3 &a, const double3 &b) + { + double3 diff = a - b; + return double3::dot(diff, diff); + } + + static double3 interpolate(const double3 &a, const double3 &b, double t) + { + return a * (1 - t) + b * t; + } + + static double3 abs(const double3 &a) + { + return double3(fabs(a.x), fabs(a.y), fabs(a.z)); + } + + static int dominant_axis(const double3 &a) + { + double x = (a.x >= 0) ? a.x : -a.x; + double y = (a.y >= 0) ? a.y : -a.y; + double z = (a.z >= 0) ? a.z : -a.z; + return ((x > y) ? ((x > z) ? 0 : 2) : ((y > z) ? 1 : 2)); + } + + static double3 cross_poly(Span<double3> poly); +}; + +} // namespace blender |