Predator Class Reference

#include <Predator.hpp>

Inheritance diagram for Predator:

Collaboration diagram for Predator:

Public Member Functions
	Predator (thor::ParticleSystem &particleSystem, std::function< void(Bullet *)> const &fireCallback, sf::Vector2f position)
	~Predator ()
void	update () override
	Makes the ship flock toward other predators and prey_. Fires bullet at prey_ if facing toward it. More...
void	onCollide (Ship *other) override
	Takes damage if colliding with player. More...
Public Member Functions inherited from Ship
	Ship (thor::ParticleSystem &particleSystem, sf::Vector2f const &position, float maxSpeed, unsigned int health=1u)
	~Ship ()
void	takeDamage (unsigned int amount=1u)
	Reduces health by the specified amount. More...
bool	isDead () const
	Returns true if health is zero. More...
void	thrust ()
	Apply acceleration in direction of forward vector. More...
void	brake ()
	Apply deceleration if thrust is present. More...
void	turnLeft ()
	Turn ship left. More...
void	turnRight ()
	Turn ship right. More...
bool	trigger ()
	Attempt to fire, returns success. More...
void	turnToward (sf::Vector2f const &direction)
sf::Vector2f	getForward () const
	Returns forward direction of ship. More...
sf::Vector2f	getVelocity () const
	Returns velocity. More...
void	setRadarRange (float range)
	Radar radius accessors. More...
float	getRadarRange () const
int	getHealth () const
	Health accessors. More...
void	addHealth (unsigned int health)
unsigned int	getMaxHealth () const

Static Public Member Functions
static void	setPrey (Ship *prey)

Private Member Functions
sf::Vector2f	separation () const
	Keeps ships from piling on top of each other. More...
sf::Vector2f	cohesion () const
	Keeps the ship moving in the same direction as nearby flockmates. Finds the averagelocation of nearby flockmates and manipulates the steering force to move in that direction. More...
sf::Vector2f	alignment () const
sf::Vector2f	flock () const

Private Attributes
std::function< void(Bullet *)>	fireCallback_

Static Private Attributes
static Ship *	prey_ = nullptr
static std::list< Predator * >	flock_ = std::list<Predator*>()

Additional Inherited Members
Public Attributes inherited from Ship
sf::RectangleShape	debug_rect_
Protected Member Functions inherited from Ship
void	clampToMaxSpeed ()
	Clamps the length of the velocity_ vector to MAX_SPEED_. More...
float	tickToSec (unsigned int ticks) const
	Ticks to seconds. More...
virtual void	updateParticleEmitter ()
Protected Attributes inherited from Ship
const float	MAX_SPEED_
	Maximum length of velocity vector. More...
const unsigned int	MAX_HEALTH_
float	refireTime_
float	coolDown_
unsigned int	ticks_
sf::Vector2f	velocity_
	Delta position per update. More...
sf::Vector2f	accel_
	Delta velocity after update !velocity_ += accel_ in update! More...
int	health_
	Current health. More...
sf::Vector2f	forward_
	Unit vector for ship's heading. More...
float	thrust_
	How fast the ship accelerates. More...
float	turnSpeed_
	How fast (in degrees) the ship can turn. More...
float	radarRange_
	Ship's radar radius. More...
thor::UniversalEmitter	particleEmitter_
	Does nothing on it's own. Derived classes should play with this. More...
float	particleAngleVariance_

Constructor & Destructor Documentation

Predator::Predator	(	thor::ParticleSystem &	particleSystem,
		std::function< void(Bullet *)> const &	fireCallback,
		sf::Vector2f	position
	)

Predator::~Predator

(

)

Member Function Documentation

sf::Vector2f Predator::alignment ( ) const

private

Returns

The desired heading after alignment.

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sf::Vector2f Predator::cohesion ( ) const

private

Keeps the ship moving in the same direction as nearby flockmates. Finds the averagelocation of nearby flockmates and manipulates the steering force to move in that direction.

Returns

The desired position after cohesion.

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sf::Vector2f Predator::flock ( ) const

private

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void Predator::onCollide ( Ship *  other )

overridevirtual

Takes damage if colliding with player.

Implements Ship.

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sf::Vector2f Predator::separation ( ) const

private

Keeps ships from piling on top of each other.

Returns

The desired position after separation.

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void Predator::setPrey ( Ship *  prey )

static

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void Predator::update ( )

overridevirtual

Makes the ship flock toward other predators and prey_. Fires bullet at prey_ if facing toward it.

Reimplemented from Ship.

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Member Data Documentation

std::function<void(Bullet*)> Predator::fireCallback_

private

std::list< Predator * > Predator::flock_ = std::list<Predator*>()

staticprivate

Ship * Predator::prey_ = nullptr

staticprivate

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The documentation for this class was generated from the following files:

• Arnieboids/include/Predator.hpp
• Arnieboids/src/Predator.cpp