CurveGraphLinear.h

#pragma once

#include "CurveGraph.h"
#include "Interpolators.h"


template<class T>
class CCurveGraphLinear : public CCurveGraph<T> {
public:
        CCurveGraphLinear()
        {       
        }
        virtual T Interpolate(float time)
        {
                // hledani
                int curr = -1, last = -1;
                for(size_t i = 0; i < m_nodes.size(); i++) {
                        if(m_nodes[i].t >= time) {
                                curr = i;
                                break;
                        }
                        last = i;
                }

                m_currIndex = curr;

                if(curr != -1 && last != -1) {
                        float local_time = (m_nodes[curr].t - m_nodes[last].t);
                        local_time =  (time -  m_nodes[last].t) / local_time;

                        return LinearInterpolation(local_time, m_nodes[last].value, m_nodes[curr].value);
                
                
                } else if(curr == -1) {
                        return  m_nodes.back().value;
                } else if(last == -1) {
                        return m_nodes.front().value;
                }
                return T(0.0f);
        }

};