| // This file is part of Eigen, a lightweight C++ template library |
| // for linear algebra. |
| // |
| // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr> |
| // |
| // This Source Code Form is subject to the terms of the Mozilla |
| // Public License v. 2.0. If a copy of the MPL was not distributed |
| // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| |
| #ifndef EIGEN_CAMERA_H |
| #define EIGEN_CAMERA_H |
| |
| #include <Eigen/Geometry> |
| #include <QObject> |
| // #include <frame.h> |
| |
| class Frame { |
| public: |
| EIGEN_MAKE_ALIGNED_OPERATOR_NEW |
| |
| inline Frame(const Eigen::Vector3f& pos = Eigen::Vector3f::Zero(), const Eigen::Quaternionf& o = Eigen::Quaternionf()) |
| : orientation(o), position(pos) {} |
| Frame lerp(float alpha, const Frame& other) const { |
| return Frame((1.f - alpha) * position + alpha * other.position, orientation.slerp(alpha, other.orientation)); |
| } |
| |
| Eigen::Quaternionf orientation; |
| Eigen::Vector3f position; |
| }; |
| |
| class Camera { |
| public: |
| EIGEN_MAKE_ALIGNED_OPERATOR_NEW |
| |
| Camera(void); |
| |
| Camera(const Camera& other); |
| |
| virtual ~Camera(); |
| |
| Camera& operator=(const Camera& other); |
| |
| void setViewport(uint offsetx, uint offsety, uint width, uint height); |
| void setViewport(uint width, uint height); |
| |
| inline uint vpX(void) const { return mVpX; } |
| inline uint vpY(void) const { return mVpY; } |
| inline uint vpWidth(void) const { return mVpWidth; } |
| inline uint vpHeight(void) const { return mVpHeight; } |
| |
| inline float fovY(void) const { return mFovY; } |
| void setFovY(float value); |
| |
| void setPosition(const Eigen::Vector3f& pos); |
| inline const Eigen::Vector3f& position(void) const { return mFrame.position; } |
| |
| void setOrientation(const Eigen::Quaternionf& q); |
| inline const Eigen::Quaternionf& orientation(void) const { return mFrame.orientation; } |
| |
| void setFrame(const Frame& f); |
| const Frame& frame(void) const { return mFrame; } |
| |
| void setDirection(const Eigen::Vector3f& newDirection); |
| Eigen::Vector3f direction(void) const; |
| void setUp(const Eigen::Vector3f& vectorUp); |
| Eigen::Vector3f up(void) const; |
| Eigen::Vector3f right(void) const; |
| |
| void setTarget(const Eigen::Vector3f& target); |
| inline const Eigen::Vector3f& target(void) { return mTarget; } |
| |
| const Eigen::Affine3f& viewMatrix(void) const; |
| const Eigen::Matrix4f& projectionMatrix(void) const; |
| |
| void rotateAroundTarget(const Eigen::Quaternionf& q); |
| void localRotate(const Eigen::Quaternionf& q); |
| void zoom(float d); |
| |
| void localTranslate(const Eigen::Vector3f& t); |
| |
| /** Setup OpenGL matrices and viewport */ |
| void activateGL(void); |
| |
| Eigen::Vector3f unProject(const Eigen::Vector2f& uv, float depth, const Eigen::Matrix4f& invModelview) const; |
| Eigen::Vector3f unProject(const Eigen::Vector2f& uv, float depth) const; |
| |
| protected: |
| void updateViewMatrix(void) const; |
| void updateProjectionMatrix(void) const; |
| |
| protected: |
| uint mVpX, mVpY; |
| uint mVpWidth, mVpHeight; |
| |
| Frame mFrame; |
| |
| mutable Eigen::Affine3f mViewMatrix; |
| mutable Eigen::Matrix4f mProjectionMatrix; |
| |
| mutable bool mViewIsUptodate; |
| mutable bool mProjIsUptodate; |
| |
| // used by rotateAroundTarget |
| Eigen::Vector3f mTarget; |
| |
| float mFovY; |
| float mNearDist; |
| float mFarDist; |
| }; |
| |
| #endif // EIGEN_CAMERA_H |