Simulation Loop

Main Loop

    // Player attributes:
    // 1 = ID
    // 2 = Tail
    // 3 = Block
    // 4 = Shadow

    while (true) {
        for(player in rooms[room_name].players) {
            let time = process.hrtime();
            let delta_time = player.last_time_stamp - time;
            player.last_time_stamp = time;
            let last_position = player.position;
            player.position.x += speed * delta_time;
            player.position.y += speed * delta_time;
            let x_delta = Math.abs(player.position.x - last_position.x);
            let y_delta = Math.abs(player.position.y - last_position.y);
            while(x_delta > 0) {
                if (player.position.x > last_position.x) {
                    player.position.x--;
                } else {
                    player.position.x++;
                }
                    let cell = rooms[room_name].grid[player.position.x][player.position.y];
                    if(x_delta < 1){
                        //TODO: Put head
                    }
                    else if(cell == 1 || cell == player.ID + 1){    // Border || Own tail
                        //TODO: Die
                    }
                    else if(cell == player.ID + 2){     // Own block
                        //TODO: Fill path
                    }
                    else if(cell == 0 || cell % 3 == 0){     // Not empty
                        //TODO: Put tail
                    }
                    else {
                        //TODO: Kill or Eat
                    }
                x_delta--;
            }
            while(y_delta > 0) {
                if (player.position.y > last_position.y) {
                    player.position.y--;
                } else {
                    player.position.y++;
                }
                let cell = rooms[room_name].grid[player.position.x][player.position.y];
                if(y_delta < 1){
                    //TODO: Put head
                }
                else if(cell == 1 || cell == player.ID + 1){    // Border || Own tail
                    //TODO: Die
                }
                else if(cell == player.ID + 2){     // Own block
                    //TODO: Fill path
                }
                else if(cell == 0 || cell % 3 == 0){     // Not empty
                    //TODO: Put tail
                }
                else {
                    //TODO: Kill or Eat
                }
                y_delta--;
            }
        }
    }