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Code Issues Activity Actions

Snake: Use a queue for the movement inputs.

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This makes it a lot less finicky to make rapid moves like staircasing and
sudden turns.
This commit is contained in:
Andreas Kling 2019-04-20 03:44:01 +02:00
parent e24e486714
commit b41e95b578
3 changed files with 43 additions and 20 deletions
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15
Games/Snake/SnakeGame.h
View file

@ -1,6 +1,7 @@
#pragma once
#include <LibGUI/GWidget.h>
#include <AK/CircularQueue.h>
class SnakeGame : public GWidget {
public:
@ -24,18 +25,24 @@ private:
}
};
struct Velocity {
int vertical { 0 };
int horizontal { 0 };
};
void game_over();
void spawn_fruit();
bool is_available(const Coordinate&);
void queue_velocity(int v, int h);
const Velocity& last_velocity() const;
int m_rows { 20 };
int m_columns { 20 };
int m_horizontal_velocity { 1 };
int m_vertical_velocity { 0 };
Velocity m_velocity { 0, 1 };
Velocity m_last_velocity { 0, 1 };
int m_last_horizontal_velocity { 1 };
int m_last_vertical_velocity { 0 };
CircularQueue<Velocity, 10> m_velocity_queue;
Coordinate m_head;
Vector<Coordinate> m_tail;