Animation.cpp

#include "Animation.h"

Animation::Animation(){
    currentFrame = 0;
    maxFrames = 0;
    frameInc = 1;

    frameRate = 100; //milliseconds

    oldTime = 0;

    oscilate = false;
}


void Animation::animate(){
    if (oldTime + frameRate > SDL_GetTicks()){
        return;
    }

    oldTime = SDL_GetTicks();

    currentFrame += frameInc;

    if(oscilate){
        if(frameInc > 0){
            if(currentFrame >= maxFrames){
                frameInc = -frameInc;
            }
        } else{
            if(currentFrame <= 0){
                frameInc = -frameInc;
            }
        }
    } else {
        if(currentFrame >= maxFrames){
            currentFrame = 0;
        }
    }
}



void Animation::setFrameRate(int rate){
    frameRate = rate;
}


void Animation::setCurrentFrame(int frame){
    if(frame < 0 || frame >= maxFrames)
        return;

    currentFrame = frame;
}

int Animation::getCurrentFrame(){
    return currentFrame;
}