Animation.cpp

#include "Animation.hpp"

void Animation::addFrame(Frame&& frame)
{
    frames.push_back(std::move(frame));
    animationLength += frame.duration;
    // Set first animation checkpoint
    if (frames.size() == 1) {
        animationCheckpoint = frame.duration;
    }
}

void Animation::updateAnimation(float elapsed)
{
    if (!playing) return;
    animationProgress += elapsed;
    // Check if new frame is due
    if (animationProgress > animationCheckpoint) {
        // Check if it was last frame 
        if (animationProgress > animationLength) {
            currentFrame = 0;
            animationProgress -= animationLength;
            sprite->setTextureRect(frames[currentFrame].rect);
            animationCheckpoint = frames[currentFrame].duration;
        }
        else {
            currentFrame++;
            sprite->setTextureRect(frames[currentFrame].rect);
            animationCheckpoint += frames[currentFrame].duration;
        }
    }

}

void Animation::reset() {
    animationProgress = 0;
    currentFrame = 0;
    animationCheckpoint = frames[0].duration;
}