Oscillating.cpp


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#include "Oscillating.h"

#include <cmath>
#include <memory>

#include <raylib.h>


Oscillating::Oscillating(std::shared_ptr<Vector2> position) :
    m_phase {0},
    m_shift {1.6f},
    m_position {position}
{
}


void
Oscillating::update(const float dt)
{
    m_phase += dt * 0.8f;
    if (m_phase > 2.f)
        m_phase -= 2.f;
    const float cos = std::cos(m_phase * M_PI);
    m_position->x += cos * m_shift;
}