73 lines
2.6 KiB
C++
73 lines
2.6 KiB
C++
//
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// Created by SeanOMik on 3/21/2021.
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// Github: https://github.com/SeanOMik
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// Email: seanomik@gmail.com
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//
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#ifndef SIMPLEENGINE_PARTICLE_H
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#define SIMPLEENGINE_PARTICLE_H
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#include "../event.h"
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#include "particle_property.h"
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#include <SFML/Graphics/Rect.hpp>
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#include <SFML/Graphics/Sprite.hpp>
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#include <SFML/System/Time.hpp>
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#include <SFML/System/Vector2.hpp>
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#include <chrono>
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#include <memory>
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namespace simpleengine {
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namespace particle {
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class Particle : public simpleengine::Event {
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private:
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using Super = simpleengine::Event;
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protected:
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using ParticlePropertyPtr = std::unique_ptr<simpleengine::particle::ParticleProperty>;
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using ParticlePropertyVector = std::vector<ParticlePropertyPtr>;
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public:
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friend class ParticleEmitter;
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template<class DurRep, class DurPeriod>
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Particle(sf::Texture& texture, sf::Vector2f velocity, std::chrono::duration<DurRep, DurPeriod> lifetime, float rotation_velocity,
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ParticlePropertyVector properties)
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: Super(nullptr), velocity(velocity), rotation_velocity(rotation_velocity), properties(std::move(properties)) {
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sprite.setTexture(texture);
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birth_point = std::chrono::high_resolution_clock::now();
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death_point = birth_point + lifetime;
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// Trigger OnParticleSpawn for particle properities.
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for (ParticlePropertyPtr& property : this->properties) {
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property->OnParticleSpawn(*this);
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}
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}
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Particle(const Particle& other);
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Particle& operator=(Particle other);
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virtual void Update(const float& delta_time) override;
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virtual void Render(sf::RenderTarget* target) override;
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template<class DurRep, class DurPeriod>
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void SetLifetime(std::chrono::duration<DurRep, DurPeriod> lifetime) {
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death_point = std::chrono::high_resolution_clock::now() + lifetime;
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}
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std::chrono::microseconds GetAge() const;
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std::chrono::duration<long long, std::ratio<1, 1000000000>> GetLifetime() const;
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sf::Sprite sprite;
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sf::Vector2f velocity;
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float rotation_velocity;
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ParticlePropertyVector properties;
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private:
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std::chrono::time_point<std::chrono::high_resolution_clock> birth_point;
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std::chrono::time_point<std::chrono::high_resolution_clock> death_point;
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};
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}
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}
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#endif //SIMPLEENGINE_PARTICLE_H
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