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Diffstat (limited to 'source/blender/blenlib/BLI_float3.hh')
-rw-r--r-- | source/blender/blenlib/BLI_float3.hh | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/source/blender/blenlib/BLI_float3.hh b/source/blender/blenlib/BLI_float3.hh deleted file mode 100644 index 765f524fb31..00000000000 --- a/source/blender/blenlib/BLI_float3.hh +++ /dev/null @@ -1,320 +0,0 @@ -/* - * 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 - -#include <iostream> - -#include "BLI_math_vector.h" - -namespace blender { - -struct float3 { - float x, y, z; - - float3() = default; - - float3(const float *ptr) : x{ptr[0]}, y{ptr[1]}, z{ptr[2]} - { - } - - float3(const float (*ptr)[3]) : float3(static_cast<const float *>(ptr[0])) - { - } - - explicit float3(float value) : x(value), y(value), z(value) - { - } - - explicit float3(int value) : x(value), y(value), z(value) - { - } - - float3(float x, float y, float z) : x{x}, y{y}, z{z} - { - } - - operator const float *() const - { - return &x; - } - - operator float *() - { - return &x; - } - - friend float3 operator+(const float3 &a, const float3 &b) - { - return {a.x + b.x, a.y + b.y, a.z + b.z}; - } - - friend float3 operator+(const float3 &a, const float &b) - { - return {a.x + b, a.y + b, a.z + b}; - } - - float3 &operator+=(const float3 &b) - { - this->x += b.x; - this->y += b.y; - this->z += b.z; - return *this; - } - - friend float3 operator-(const float3 &a, const float3 &b) - { - return {a.x - b.x, a.y - b.y, a.z - b.z}; - } - - friend float3 operator-(const float3 &a) - { - return {-a.x, -a.y, -a.z}; - } - - friend float3 operator-(const float3 &a, const float &b) - { - return {a.x - b, a.y - b, a.z - b}; - } - - float3 &operator-=(const float3 &b) - { - this->x -= b.x; - this->y -= b.y; - this->z -= b.z; - return *this; - } - - float3 &operator*=(float scalar) - { - this->x *= scalar; - this->y *= scalar; - this->z *= scalar; - return *this; - } - - float3 &operator*=(const float3 &other) - { - this->x *= other.x; - this->y *= other.y; - this->z *= other.z; - return *this; - } - - friend float3 operator*(const float3 &a, const float3 &b) - { - return {a.x * b.x, a.y * b.y, a.z * b.z}; - } - - friend float3 operator*(const float3 &a, float b) - { - return {a.x * b, a.y * b, a.z * b}; - } - - friend float3 operator*(float a, const float3 &b) - { - return b * a; - } - - friend float3 operator/(const float3 &a, float b) - { - BLI_assert(b != 0.0f); - return {a.x / b, a.y / b, a.z / b}; - } - - friend std::ostream &operator<<(std::ostream &stream, const float3 &v) - { - stream << "(" << v.x << ", " << v.y << ", " << v.z << ")"; - return stream; - } - - friend bool operator==(const float3 &a, const float3 &b) - { - return a.x == b.x && a.y == b.y && a.z == b.z; - } - - friend bool operator!=(const float3 &a, const float3 &b) - { - return !(a == b); - } - - float normalize_and_get_length() - { - return normalize_v3(*this); - } - - /** - * Normalizes the vector in place. - */ - void normalize() - { - normalize_v3(*this); - } - - /** - * Returns a normalized vector. The original vector is not changed. - */ - float3 normalized() const - { - float3 result; - normalize_v3_v3(result, *this); - return result; - } - - float length() const - { - return len_v3(*this); - } - - float length_squared() const - { - return len_squared_v3(*this); - } - - bool is_zero() const - { - return this->x == 0.0f && this->y == 0.0f && this->z == 0.0f; - } - - void reflect(const float3 &normal) - { - *this = this->reflected(normal); - } - - float3 reflected(const float3 &normal) const - { - float3 result; - reflect_v3_v3v3(result, *this, normal); - return result; - } - - static float3 refract(const float3 &incident, const float3 &normal, const float eta) - { - float3 result; - float k = 1.0f - eta * eta * (1.0f - dot(normal, incident) * dot(normal, incident)); - if (k < 0.0f) { - result = float3(0.0f); - } - else { - result = eta * incident - (eta * dot(normal, incident) + sqrt(k)) * normal; - } - return result; - } - - static float3 faceforward(const float3 &vector, const float3 &incident, const float3 &reference) - { - return dot(reference, incident) < 0.0f ? vector : -vector; - } - - static float3 safe_divide(const float3 &a, const float3 &b) - { - float3 result; - result.x = (b.x == 0.0f) ? 0.0f : a.x / b.x; - result.y = (b.y == 0.0f) ? 0.0f : a.y / b.y; - result.z = (b.z == 0.0f) ? 0.0f : a.z / b.z; - return result; - } - - static float3 min(const float3 &a, const float3 &b) - { - return {a.x < b.x ? a.x : b.x, a.y < b.y ? a.y : b.y, a.z < b.z ? a.z : b.z}; - } - - static float3 max(const float3 &a, const float3 &b) - { - return {a.x > b.x ? a.x : b.x, a.y > b.y ? a.y : b.y, a.z > b.z ? a.z : b.z}; - } - - static void min_max(const float3 &vector, float3 &min, float3 &max) - { - min = float3::min(vector, min); - max = float3::max(vector, max); - } - - static float3 safe_divide(const float3 &a, const float b) - { - return (b != 0.0f) ? a / b : float3(0.0f); - } - - static float3 floor(const float3 &a) - { - return float3(floorf(a.x), floorf(a.y), floorf(a.z)); - } - - void invert() - { - x = -x; - y = -y; - z = -z; - } - - uint64_t hash() const - { - uint64_t x1 = *reinterpret_cast<const uint32_t *>(&x); - uint64_t x2 = *reinterpret_cast<const uint32_t *>(&y); - uint64_t x3 = *reinterpret_cast<const uint32_t *>(&z); - return (x1 * 435109) ^ (x2 * 380867) ^ (x3 * 1059217); - } - - static float dot(const float3 &a, const float3 &b) - { - return a.x * b.x + a.y * b.y + a.z * b.z; - } - - static float3 cross_high_precision(const float3 &a, const float3 &b) - { - float3 result; - cross_v3_v3v3_hi_prec(result, a, b); - return result; - } - - static float3 cross(const float3 &a, const float3 &b) - { - float3 result; - cross_v3_v3v3(result, a, b); - return result; - } - - static float3 project(const float3 &a, const float3 &b) - { - float3 result; - project_v3_v3v3(result, a, b); - return result; - } - - static float distance(const float3 &a, const float3 &b) - { - return (a - b).length(); - } - - static float distance_squared(const float3 &a, const float3 &b) - { - float3 diff = a - b; - return float3::dot(diff, diff); - } - - static float3 interpolate(const float3 &a, const float3 &b, float t) - { - return a * (1 - t) + b * t; - } - - static float3 abs(const float3 &a) - { - return float3(fabsf(a.x), fabsf(a.y), fabsf(a.z)); - } -}; - -} // namespace blender |