This repository has been archived on 2023-10-09. You can view files and clone it, but cannot push or open issues or pull requests.
Files
blender-archive/source/blender/blenlib/BLI_float2.hh
2020-04-21 16:57:00 +02:00

87 lines
1.8 KiB
C++

/*
* 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.
*/
#ifndef __BLI_FLOAT2_HH__
#define __BLI_FLOAT2_HH__
#include "BLI_float3.hh"
namespace BLI {
struct float2 {
float x, y;
float2() = default;
float2(const float *ptr) : x{ptr[0]}, y{ptr[1]}
{
}
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;
}
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, 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;
}
};
} // namespace BLI
#endif /* __BLI_FLOAT2_HH__ */