project-kyoku/include/timeline.h

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#ifndef TIMELINE_H
#define TIMELINE_H
#include "mathutils.h"
#include <memory>
#include <vector>
class Note;
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class Timeline
{
public:
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virtual ~Timeline() = default;
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virtual void update() = 0;
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virtual void clear() = 0;
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virtual microsec currentMusicOffset() const = 0;
virtual void drawVisibleNotes() const = 0;
};
#endif // TIMELINE_H