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#include "Snake.h"
#include <iostream>
Snake::Snake(uint32_t headY, uint32_t headX) :direction_{LEFT} { snake_.push_back(Point{headY, headX, '>'});
for (uint32_t i = 1; i <= SNAKE_DEFAULT_SIZE; i++) { snake_.push_back(Point{headY, headX + i, SNAKE_BODY_CHAR}); } }
void Snake::updateHead() { switch (direction_) { case UP: snake_.front().moveUp(); break; case DOWN: snake_.front().moveDown(); break; case LEFT: snake_.front().moveLeft(); break; case RIGHT: snake_.front().moveRight(); break; default: std::cerr << "[x] This direction does not exist" << std::endl; // OOPS!
} }
void Snake::printSnake() const { // TODO: for each point in snake_ call point.print()
Graphics::get().refreshScreen(); }
void Snake::move() { auto head = snake_.begin(); auto second = std::next(snake_.begin());
// update the previous to head node
// by copying from head and setting
// the image to be body instead of head
*second = *head; second->setImg(SNAKE_BODY_CHAR);
updateHead();
printSnake(); }
void Snake::moveUp(){ snake_.front().setImg('v'); direction_ = UP; move(); }
void Snake::moveDown(){ snake_.front().setImg('^'); direction_ = DOWN; move(); }
void Snake::moveLeft(){ snake_.front().setImg('>'); direction_ = LEFT; move(); }
void Snake::moveRight(){ snake_.front().setImg('<'); direction_ = RIGHT; move(); }
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