pacman/lib/Ghost.hpp
Corentin Jabot c2cfb8c734 Implement ghost movement and scatter behavior
Each ghost is trying to reach a point beyond the
corner of the board, which make them run in circle
2021-07-01 10:19:46 +02:00

64 lines
1.3 KiB
C++

#pragma once
#include <chrono>
#include "Atlas.hpp"
#include "Board.hpp"
#include "Position.hpp"
class Ghost {
public:
enum class State {
Chase,
Scatter,
Freightened,
Eyes,
};
explicit Ghost(Atlas::Ghost spritesSet, Position startingPosition, Position scatterTarget);
[[nodiscard]] PositionInt currentSprite() const;
[[nodiscard]] Position position() const;
[[nodiscard]] Position positionInGrid() const;
void update(std::chrono::milliseconds time_delta, const Board & board);
private:
void updateAnimation(std::chrono::milliseconds time_delta);
void updatePosition(std::chrono::milliseconds time_delta, const Board & board);
void updateDirection(const Board & board);
Position target(const Board & board) const;
protected:
Atlas::Ghost spritesSet;
Direction direction = Direction::NONE;
double time = 0;
bool alternate_animation = false;
State state = State::Chase;
Position pos;
Position startingPosition;
Position scatterTarget;
Position lastIntersection = {-1, -1};
};
class Blinky : public Ghost {
public:
explicit Blinky(const Board & board);
};
class Speedy : public Ghost {
public:
explicit Speedy(const Board & board);
};
class Inky : public Ghost {
public:
explicit Inky(const Board & board);
};
class Clyde : public Ghost {
public:
explicit Clyde(const Board & board);
};