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- /*
- * Copyright (C) 2017-2019 Christopher J. Howard
- *
- * This file is part of Antkeeper Source Code.
- *
- * Antkeeper Source Code 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.
- *
- * Antkeeper Source Code 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 Antkeeper Source Code. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #ifndef LENS_HPP
- #define LENS_HPP
-
- #include "tool.hpp"
-
- class ParticleSystem;
-
- /**
- * The lens tool can be used to burn ants.
- *
- * @see https://taylorpetrick.com/blog/post/dispersion-opengl
- * @see https://taylorpetrick.com/portfolio/webgl/lense
- */
- class Lens: public Tool
- {
- public:
- /**
- * Creates an instance of Lens.
- *
- * @param model Lens model
- */
- Lens(const Model* model, Animator* animator);
-
- /**
- * Destroys an instance of Lens.
- */
- ~Lens();
-
- /**
- * Updates the lens.
- *
- * @param dt Application timestep.
- */
- virtual void update(float dt);
-
-
- void focus();
- void unfocus();
-
- void setSunDirection(const Vector3& direction);
- void setParticleSystem(ParticleSystem* particleSystem);
-
- /**
- * Returns the spotlight.
- */
- const Spotlight* getSpotlight() const;
- Spotlight* getSpotlight();
-
- private:
- Spotlight spotlight;
- float focusedDistance;
- float unfocusedDistance;
- float focusDuration;
- float unfocusDuration;
- float lensDistance;
- float lastDistance;
- bool focused;
- Vector3 sunDirection;
- Animation<float> focusAnimation;
- Animation<float> unfocusAnimation;
- AnimationClip<float> focusClip;
- AnimationClip<float> unfocusClip;
- bool wasActive;
- ParticleSystem* particleSystem;
- };
-
- inline const Spotlight* Lens::getSpotlight() const
- {
- return &spotlight;
- }
-
- inline Spotlight* Lens::getSpotlight()
- {
- return &spotlight;
- }
-
- #endif // LENS_HPP
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