scummvm/engines/twp/camera.h
2024-04-19 20:31:13 +02:00

69 lines
2.1 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef TWP_CAMERA_H
#define TWP_CAMERA_H
#include "common/func.h"
#include "math/vector2d.h"
#include "twp/easing.h"
#include "twp/rectf.h"
namespace Twp {
class Object;
class Room;
class Camera {
public:
void setAt(const Math::Vector2d &at);
inline Math::Vector2d getAt() const { return _pos; }
inline void setBounds(const Rectf &bounds) { _bounds = bounds; }
inline Rectf getBounds() const { return _bounds; }
inline void setRoom(Common::SharedPtr<Room> room) { _room = room; }
inline Common::SharedPtr<Room> getRoom() const { return _room; }
inline bool isMoving() const { return _moving; }
void panTo(const Math::Vector2d &target, float time, InterpolationKind interpolation);
void update(Common::SharedPtr<Room> room, Common::SharedPtr<Object> follow, float elapsed);
private:
void clamp(const Math::Vector2d &at);
void setAtCore(const Math::Vector2d &at);
private:
Math::Vector2d _pos;
Rectf _bounds = Rectf::fromMinMax(Math::Vector2d(-10000, -10000), Math::Vector2d(10000, 10000));
bool _moving = false;
Math::Vector2d _init, _target;
float _elapsed = 0.f;
float _time = 0.f;
Common::SharedPtr<Room> _room;
Common::SharedPtr<Object> _follow;
EasingFunc_t _function = {&linear};
};
} // namespace Twp
#endif