godot::Drone Class Reference

An enemy drone, moves around using navigation. Model is expected to float well above the transform origin. More...

#include <drone.hpp>

Inheritance diagram for godot::Drone:

Public Member Functions
virtual void	_ready () override
	Get required object references and connect observers.
virtual void	_process (double delta_time) override
	Update the state machine.
void	process_chase (double delta_time)
	Process the chase state. Navigate ahead of player player and drop when near target.
void	process_flee (double delta_time)
	Flee state, Flee away from the player.
void	process_navigate (double delta_time)
	Navigate according to path.
void	recalculate_navigation ()
	Recalculate pathing based on current state.
void	spawn_explosion ()
	Spawn an explosion after dropping.
void	key_found (int total)
	Listener for when a key is found, to up the difficulty.
void	start_flee ()
	Listener for when the player grabs a turret pickup.
void	end_flee ()
	Listener for when the player drop their turret pickup.
void	set_explosion_scene (Ref< PackedScene > scene)
	The explosion to spawn after dropping.
Ref< PackedScene >	get_explosion_scene () const
	The explosion to spawn after dropping.

Private Member Functions
	GDCLASS (Drone, Node3D)

Static Private Member Functions
static void	_bind_methods ()
	Register properties.

Private Attributes
int	recalc_frame_interval {10}
	Time between pathing recalculations.
int	next_recalc {10}
	Frame timer for next pathing recalculation.
float	speed {30.f}
	Movement speed in m/s.
float	lead_time {2.f}
	How far ahead of the player to target.
float	target_distance {3.f}
	distance at which to drop
DroneState	state {DroneState::CHASE}
	Current state machine state.
CarPlayer *	player {nullptr}
	Target to chase / flee from.
Ref< PackedScene >	explosion_scene {}
	Scene to spawn when exploding.
NavigationAgent3D *	agent {nullptr}
	Navigation agent Component.
AnimationPlayer *	anim {nullptr}
	Animation player component.

Detailed Description

An enemy drone, moves around using navigation. Model is expected to float well above the transform origin.

Member Function Documentation

_bind_methods()

void godot::Drone::_bind_methods ( )

staticprivate

Register properties.

_process()

void godot::Drone::_process ( double  delta_time )

overridevirtual

Update the state machine.

_ready()

void godot::Drone::_ready ( )

overridevirtual

Get required object references and connect observers.

end_flee()

void godot::Drone::end_flee

(

)

Listener for when the player drop their turret pickup.

GDCLASS()

godot::Drone::GDCLASS ( Drone  , Node3D    )

private

get_explosion_scene()

Ref< PackedScene > godot::Drone::get_explosion_scene

(

)

const

The explosion to spawn after dropping.

key_found()

void godot::Drone::key_found

(

int

total

)

Listener for when a key is found, to up the difficulty.

process_chase()

void godot::Drone::process_chase

(

double

delta_time

)

Process the chase state. Navigate ahead of player player and drop when near target.

process_flee()

void godot::Drone::process_flee

(

double

delta_time

)

Flee state, Flee away from the player.

process_navigate()

void godot::Drone::process_navigate

(

double

delta_time

)

Navigate according to path.

recalculate_navigation()

void godot::Drone::recalculate_navigation

(

)

Recalculate pathing based on current state.

set_explosion_scene()

void godot::Drone::set_explosion_scene

(

Ref< PackedScene >

scene

)

The explosion to spawn after dropping.

spawn_explosion()

void godot::Drone::spawn_explosion

(

)

Spawn an explosion after dropping.

start_flee()

void godot::Drone::start_flee

(

)

Listener for when the player grabs a turret pickup.

Member Data Documentation

agent

NavigationAgent3D* godot::Drone::agent {nullptr}

private

Navigation agent Component.

anim

AnimationPlayer* godot::Drone::anim {nullptr}

private

Animation player component.

explosion_scene

Ref<PackedScene> godot::Drone::explosion_scene {}

private

Scene to spawn when exploding.

lead_time

float godot::Drone::lead_time {2.f}

private

How far ahead of the player to target.

next_recalc

int godot::Drone::next_recalc {10}

private

Frame timer for next pathing recalculation.

player

CarPlayer* godot::Drone::player {nullptr}

private

Target to chase / flee from.

recalc_frame_interval

int godot::Drone::recalc_frame_interval {10}

private

Time between pathing recalculations.

speed

float godot::Drone::speed {30.f}

private

Movement speed in m/s.

state

DroneState godot::Drone::state {DroneState::CHASE}

private

Current state machine state.

target_distance

float godot::Drone::target_distance {3.f}

private

distance at which to drop

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

• src/drone.hpp
• src/drone.cpp