raycaster/animator.hpp

#pragma once
#include <fmt/core.h>

struct Animator {
  int width = 0;
  int height = 0;
  int max_frames = 0;
  size_t count = 0;
  int frame = 0;
  bool playing = false;

  inline void step(sf::Sprite& sprite, int rect_x, int rect_y, int rect_w, int rect_h) {
    if(playing) {
      count++;
      frame = ((count / 4) % max_frames);
      playing = frame != 0;
    }

    sprite.setTextureRect(sf::IntRect({
          {rect_x + frame * width, rect_y},
          {rect_w, rect_h}}));
  }

  inline void play() {
    playing = true;
  }
};