49 lines
702 B
C++
49 lines
702 B
C++
/*
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* Sparkle.cpp
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*
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* Created on: Dec 16, 2018
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* Author: abody
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*/
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#include "Sparkle.h"
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Sparkle::Sparkle()
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{
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}
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Sparkle::~Sparkle() {
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}
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void Sparkle::Start(Pixel_t *target, Pixel_t color, Pixel_t fadeSpeed)
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{
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m_target = target;
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*target = color;
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m_fadeSpeed = fadeSpeed;
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}
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bool Sparkle::Step()
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{
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Pixel_t current = *m_target;
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uint8_t remaining = 3;
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if(current.b > m_fadeSpeed.r )current.r -= m_fadeSpeed.r;
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else {
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current.b = 0;
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--remaining;
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}
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if(current.g > m_fadeSpeed.g )current.g -= m_fadeSpeed.g;
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else {
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current.g = 0;
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--remaining;
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}
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if(current.b > m_fadeSpeed.b )current.b -= m_fadeSpeed.b;
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else {
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current.b = 0;
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--remaining;
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}
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return remaining != 0;
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}
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