Have a barely working animation thing that animates the evil eye when you click a button.

animator.cpp

@@ -0,0 +1,2 @@
+#include "animator.hpp"
+#include "constants.hpp"

animator.hpp

@@ -0,0 +1,27 @@
+#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;
+  }
+};

assets/config.json

@@ -9,7 +9,7 @@
     "armored_knight": "assets/armored_knight_1-256.png",
     "sword": "assets/cinqueda_1-512.png",
     "barrel": "assets/wood_barrel_large-256.png",
-    "evil_eye": "assets/evil_eye_test-256.png",
+    "evil_eye": "assets/evil_eye-sprites.png",
     "peasant_girl": "assets/undead_peasant-256.png",
     "floor": "assets/floor_tile_test-256.png",
     "ceiling": "assets/ceiling_test-256.png"

main.cpp

@@ -96,6 +96,7 @@ int main() {
     }
 
     if(sf::Mouse::isButtonPressed(sf::Mouse::Button::Left)) {
+      rayview.$anim.play();
       rotation = -30.0f;
     } else {
       rotation = -10.0f;

raycaster.cpp

@@ -150,8 +150,9 @@ void Raycaster::sprite_casting() {
       int texY = ((d * textureHeight) / spriteHeight) / textureHeight;
 
       sf_sprite->setScale({sprite_w, sprite_h});
-      sf_sprite->setTextureRect(sf::IntRect({texX, texY}, {texX_end - texX, textureHeight}));
+      $anim.step(*sf_sprite, texX, texY, texX_end - texX, textureHeight);
       sf_sprite->setPosition({x, y});
+
       $window.draw(*sf_sprite);
     }
   }

raycaster.hpp

@@ -12,6 +12,7 @@
 #include <memory>
 #include "texture.hpp"
 #include <SFML/System/Clock.hpp>
+#include "animator.hpp"
 
 using matrix::Matrix;
 using RGBA = uint32_t;
@@ -43,6 +44,7 @@ struct Raycaster {
   std::vector<int> spriteOrder;
   std::vector<double> spriteDistance;
   std::vector<double> ZBuffer; // width
+  Animator $anim{256, 256, 10, 0};
 
   Raycaster(sf::RenderWindow& window, Matrix &map, int width, int height);