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Translation works on selection

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This commit is contained in:
Yousef Khadadeh 2025-07-24 19:35:51 +03:00
parent ff1355234f
commit 759f551cd3
9 changed files with 119 additions and 55 deletions
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17
src/CoordSpaceHelper.cpp
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@ -12,6 +12,15 @@ CoordSpaceHelper::CoordSpaceHelper(const WorldVec& initPos, const WorldScalar& i
rotation(initRotation)
{}
WorldVec rotate_world_coord(const WorldVec& a, double rotationAngle) {
FixedPoint::Number<boost::multiprecision::cpp_int, 15> s = FixedPoint::Number<boost::multiprecision::cpp_int, 15>(std::sin(rotationAngle));
FixedPoint::Number<boost::multiprecision::cpp_int, 15> c = FixedPoint::Number<boost::multiprecision::cpp_int, 15>(std::cos(rotationAngle));
return {
a.x().multiply_different_precision(c) - a.y().multiply_different_precision(s),
a.x().multiply_different_precision(s) + a.y().multiply_different_precision(c)
};
}
Vector2f CoordSpaceHelper::to_space(const WorldVec& coord) const {
return (Rotation2D<double>(-rotation) * ((coord - pos) / inverseScale).cast<double>()).cast<float>();
}
@ -20,6 +29,14 @@ WorldVec CoordSpaceHelper::from_space(Vector2f coord) const {
return ((Rotation2D<double>(rotation) * coord.cast<double>()).cast<WorldScalar>() * inverseScale + pos);
}
WorldVec CoordSpaceHelper::to_space_world(const WorldVec& coord) const {
return rotate_world_coord(((coord - pos) / inverseScale), -rotation);
}
WorldVec CoordSpaceHelper::from_space_world(const WorldVec& coord) const {
return rotate_world_coord(coord, rotation) * inverseScale + pos;
}
WorldScalar CoordSpaceHelper::scalar_from_space(float coord) const {
return WorldScalar(coord) * inverseScale;
}