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allwpilib/wpimath/src/main/native/include/frc/geometry/Transform2d.inc

31 lines
1.1 KiB
C++

// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
#pragma once
#include <utility>
#include "frc/geometry/Rotation2d.h"
#include "frc/geometry/Transform2d.h"
#include "frc/geometry/Translation2d.h"
namespace frc {
constexpr Transform2d::Transform2d(Translation2d translation,
Rotation2d rotation)
: m_translation{std::move(translation)}, m_rotation{std::move(rotation)} {}
constexpr Transform2d::Transform2d(units::meter_t x, units::meter_t y,
Rotation2d rotation)
: m_translation{x, y}, m_rotation{std::move(rotation)} {}
constexpr Transform2d Transform2d::Inverse() const {
// We are rotating the difference between the translations
// using a clockwise rotation matrix. This transforms the global
// delta into a local delta (relative to the initial pose).
return Transform2d{(-Translation()).RotateBy(-Rotation()), -Rotation()};
}
} // namespace frc