Snake_Game/snake_class.cpp at main · UdayanMahalwar/Snake_Game · GitHub

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#include "snake_class.h"

Snake :: Snake(){
    body.push_back({1,1});
    this->direction = "RIGHT";
}
void Snake :: Move(){
    if(direction == "RIGHT")
    {
        auto front = body.back();
        body.push_back({front.first , front.second+1});
    }
    else if(direction == "LEFT"){
        auto front = body.back();
        body.push_back({front.first , front.second-1});
    }
    else if(direction == "DOWN")
    {
        auto front = body.back();
        body.push_back({front.first+1 , front.second});
    }
    else{
        auto front = body.back();
        body.push_back({front.first-1 , front.second});
    }
    body.pop_front();
    if(Check_self_collision())
    {
        //return game finished

    }
}
void Snake :: Grow(){
    if(direction == "RIGHT")
    {
        auto front = body.back();
        body.push_back({front.first , front.second+1});
    }
    else if(direction == "LEFT"){
        auto front = body.back();
        body.push_back({front.first , front.second-1});
    }
    else if(direction == "DOWN")
    {
        auto front = body.back();
        body.push_back({front.first+1 , front.second});
    }
    else{
        auto front = body.back();
        body.push_back({front.first-1 , front.second});
    }
    if(Check_self_collision())
    {
        //finish game
    }
}
void Snake :: Change_direction(std :: string newDirection){
    this->direction = newDirection;
    if(Check_self_collision())
    {
        //finish game
    }
}
bool Snake :: Check_self_collision(){
    auto head = body.back();
    for (size_t i = 0; i < body.size() - 1; ++i) {
        if (body[i] == head) {
            return true;
        }
    }
    return false;
}
std::deque<std::pair<int,int>> Snake :: getBody() const{
    return this->body;
}