You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
1.7 KiB
83 lines
1.7 KiB
#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());
|
|
|
|
// TODO: the current tail of our snake shoudl be hidden
|
|
|
|
// TODO: each element, from the tail to the second-to-head
|
|
// should move to the position of the element before it
|
|
|
|
// 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();
|
|
}
|