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Diffstat (limited to 'source/blender/blenlib/BLI_float2.hh')
-rw-r--r-- | source/blender/blenlib/BLI_float2.hh | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/source/blender/blenlib/BLI_float2.hh b/source/blender/blenlib/BLI_float2.hh deleted file mode 100644 index bb4229db86e..00000000000 --- a/source/blender/blenlib/BLI_float2.hh +++ /dev/null @@ -1,218 +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 "BLI_float3.hh" - -namespace blender { - -struct float2 { - float x, y; - - float2() = default; - - float2(const float *ptr) : x{ptr[0]}, y{ptr[1]} - { - } - - explicit float2(float value) : x(value), y(value) - { - } - - explicit float2(int value) : x(value), y(value) - { - } - - float2(float x, float y) : x(x), y(y) - { - } - - float2(const float3 &other) : x(other.x), y(other.y) - { - } - - operator float *() - { - return &x; - } - - operator const float *() const - { - return &x; - } - - float length() const - { - return len_v2(*this); - } - - float length_squared() const - { - return len_squared_v2(*this); - } - - bool is_zero() const - { - return this->x == 0.0f && this->y == 0.0f; - } - - float2 &operator+=(const float2 &other) - { - x += other.x; - y += other.y; - return *this; - } - - float2 &operator-=(const float2 &other) - { - x -= other.x; - y -= other.y; - return *this; - } - - float2 &operator*=(float factor) - { - x *= factor; - y *= factor; - return *this; - } - - float2 &operator/=(float divisor) - { - x /= divisor; - y /= divisor; - return *this; - } - - uint64_t hash() const - { - uint64_t x1 = *reinterpret_cast<const uint32_t *>(&x); - uint64_t x2 = *reinterpret_cast<const uint32_t *>(&y); - return (x1 * 812519) ^ (x2 * 707951); - } - - friend float2 operator+(const float2 &a, const float2 &b) - { - return {a.x + b.x, a.y + b.y}; - } - - friend float2 operator-(const float2 &a, const float2 &b) - { - return {a.x - b.x, a.y - b.y}; - } - - friend float2 operator-(const float2 &a, const float &b) - { - return {a.x - b, a.y - b}; - } - - friend float2 operator*(const float2 &a, float b) - { - return {a.x * b, a.y * b}; - } - - friend float2 operator/(const float2 &a, float b) - { - BLI_assert(b != 0.0f); - return {a.x / b, a.y / b}; - } - - friend float2 operator*(float a, const float2 &b) - { - return b * a; - } - - friend std::ostream &operator<<(std::ostream &stream, const float2 &v) - { - stream << "(" << v.x << ", " << v.y << ")"; - return stream; - } - - static float2 safe_divide(const float2 &a, const float b) - { - return (b != 0.0f) ? a / b : float2(0.0f); - } - - static float2 floor(const float2 &a) - { - return float2(floorf(a.x), floorf(a.y)); - } - - /** - * Returns a normalized vector. The original vector is not changed. - */ - float2 normalized() const - { - float2 result; - normalize_v2_v2(result, *this); - return result; - } - - static float dot(const float2 &a, const float2 &b) - { - return a.x * b.x + a.y * b.y; - } - - static float2 interpolate(const float2 &a, const float2 &b, float t) - { - return a * (1 - t) + b * t; - } - - static float2 abs(const float2 &a) - { - return float2(fabsf(a.x), fabsf(a.y)); - } - - static float distance(const float2 &a, const float2 &b) - { - return (a - b).length(); - } - - static float distance_squared(const float2 &a, const float2 &b) - { - float2 diff = a - b; - return float2::dot(diff, diff); - } - - struct isect_result { - enum { - LINE_LINE_COLINEAR = -1, - LINE_LINE_NONE = 0, - LINE_LINE_EXACT = 1, - LINE_LINE_CROSS = 2, - } kind; - float lambda; - float mu; - }; - - static isect_result isect_seg_seg(const float2 &v1, - const float2 &v2, - const float2 &v3, - const float2 &v4); - - friend bool operator==(const float2 &a, const float2 &b) - { - return a.x == b.x && a.y == b.y; - } - - friend bool operator!=(const float2 &a, const float2 &b) - { - return !(a == b); - } -}; - -} // namespace blender |