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termios terminal aquarium. demo at ssh://fish@kloet.net
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Whale.cpp (1321B)

      1 #include "Whale.h"
      2 #include "../assets/WhaleAssets.h"
      3 #include "../core/Aquarium.h"
      4 #include "../utils/Random.h"
      5 
      6 Whale::Whale() : Whale(getRandomDirection()) {}
      7 
      8 Whale::Whale(int asset_index)
      9     : Entity((asset_index == 0)), frames(getWhaleAssets()[asset_index].frames),
     10       mask(getWhaleAssets()[asset_index].mask), speed(WHALE_SPEED) {
     11 
     12   const auto &aquarium = Aquarium::getInstance();
     13   y = 0;
     14 
     15   // Use first frame for positioning calculations
     16   const auto &first_frame = frames[0];
     17   if (moving_right) {
     18     x = -static_cast<float>(first_frame[6].length());
     19   } else {
     20     x = static_cast<float>(aquarium.getWidth());
     21   }
     22 
     23   current_image = first_frame;
     24 }
     25 
     26 int Whale::getRandomDirection() { return Random::intInRange(0, 1); }
     27 
     28 void Whale::update() noexcept {
     29   x += moving_right ? speed : -speed;
     30 
     31   ++animation_counter;
     32 
     33   // Use longer delay for first frame (no water spout)
     34   int current_delay =
     35       (current_frame_index == 0) ? FIRST_FRAME_PAUSE : ANIMATION_DELAY;
     36 
     37   if (animation_counter >= current_delay) {
     38     current_frame_index = (current_frame_index + 1) % frames.size();
     39     animation_counter = 0;
     40   }
     41 }
     42 
     43 const std::vector<std::string> &Whale::getImage() const {
     44   current_image = frames[current_frame_index];
     45   return current_image;
     46 }
     47 
     48 int Whale::getPreferredLayer() const noexcept { return 8; }