65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
#pragma once
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#include <random>
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#include <list>
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#include <array>
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#include "Animation.h"
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class FireworkRocket
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{
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private:
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enum LaunchPhase {
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PHASE_RISING,
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PHASE_SPREADING,
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PHASE_DONE
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};
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std::array<int, 6> m_flareXPos;
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std::array<int, 6> m_flareYPos;
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LaunchPhase m_phase;
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int m_rocketXPos;
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int m_rocketYPos;
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int m_targetHeight;
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int m_riseSpeed;
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uint64_t m_spreadStartFrame;
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Fader::Color m_color;
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public:
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FireworkRocket(int start_x, int target_height, int rise_speed, const Fader::Color &color);
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void move(uint64_t frame);
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void render(Fader *fader);
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bool done(void) const { return m_phase == PHASE_DONE; }
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};
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class FireworkAnimation : public Animation
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{
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public:
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FireworkAnimation(Fader *fader, int vspeed = 128, int spawn_rate = 8);
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void loop(uint64_t frame) override;
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void stop(void) override
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{
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m_stopping = true;
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}
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void reset(void) override;
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private:
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std::default_random_engine m_gen;
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std::list<FireworkRocket> m_rockets;
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int m_vspeed;
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int m_spawnRate; // average pixels per second
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bool m_stopping;
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};
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