67 lines
2.3 KiB
C++
67 lines
2.3 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_EMITTER_H
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#define SIMPLEENGINE_PARTICLE_EMITTER_H
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#include "../event.h"
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#include "particle_property.h"
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#include "particle_emitter_property.h"
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#include "particle.h"
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#include "../random.h"
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#include "../range_2.h"
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#include <SFML/Graphics/Rect.hpp>
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#include <SFML/Graphics/RectangleShape.hpp>
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#include <SFML/Graphics/Sprite.hpp>
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#include <SFML/System/Clock.hpp>
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#include <SFML/System/Vector2.hpp>
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#include <chrono>
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namespace simpleengine {
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namespace particle {
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struct ParticleAttributes {
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std::chrono::milliseconds lifetime;
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sf::Vector2f start_velocity;
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float rotation_velocity = 0;
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sf::Vector2f scale = sf::Vector2f(1, 1);
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};
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class ParticleEmitter : public 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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using EmitterPropertyPtr = std::unique_ptr<simpleengine::particle::ParticleEmitterProperty>;
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using EmitterPropertyVector = std::vector<EmitterPropertyPtr>;
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public:
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ParticleEmitter(sf::Texture& texture, sf::Vector2f position, double emit_variance, uint32_t emit_count, uint32_t particle_count, Range2f particle_range, ParticleAttributes attributes, ParticlePropertyVector& particle_properties, EmitterPropertyVector& emitter_properties);
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void SetProperties(ParticlePropertyVector particle_properties);
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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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protected:
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sf::Texture& texture;
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sf::Vector2f position;
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double emit_variance;
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uint32_t emit_count;
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uint32_t particle_count;
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Range2f particle_range;
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ParticleAttributes attributes;
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ParticlePropertyVector& particle_properties;
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EmitterPropertyVector& emitter_properties;
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std::vector<simpleengine::particle::Particle> particles;
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sf::Clock time;
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simpleengine::Random<double> random;
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};
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}
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}
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#endif //SIMPLEENGINE_PARTICLE_EMITTER_H
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