RollingBuffer.h

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* glscopeclient                                                                                                        *
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* Copyright (c) 2012-2022 Andrew D. Zonenberg                                                                          *
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#ifndef RollingBuffer_h
#define RollingBuffer_h
 
struct RollingBuffer
{
    float Span;
    ImVector<ImVec2> Data;
 
    RollingBuffer()
    {
        Span = 10.0f;
        Data.reserve(2000);
    }
 
    void Clear()
    { Data.clear(); }
 
    void AddPoint(float x, float y)
    {
        Data.push_back(ImVec2(x, y));
 
        while(!Data.empty())
        {
            float tfirst = Data.begin()->x;
            if(tfirst < (x - Span))
                Data.erase(Data.begin());
            else
                break;
        }
    }
};
 
#endif