godot-steering-ai-framework/project/demos/seek_and_flee/Seeker.gd
Francois Belair 0e95c24c7f Add GDQuest theme to improved Pursue demo
Changed text boxes to sliders to improve usability. This also involved
adding some simple graphics, since the _draw method is not
anti-aliased and doesn't look great.
2020-01-13 16:15:44 -05:00

53 lines
1.3 KiB
GDScript

extends KinematicBody2D
# AI agent that uses the Seek behavior to hone in on the player's location as directly as possible.
onready var agent: = GSTSteeringAgent.new()
onready var accel: = GSTTargetAcceleration.new()
onready var seek: = GSTSeek.new(agent, player_agent)
onready var flee: = GSTFlee.new(agent, player_agent)
onready var _active_behavior: = seek
var player_agent: GSTAgentLocation
var velocity: = Vector2.ZERO
var start_speed: float
var start_accel: float
func _ready() -> void:
agent.max_linear_acceleration = start_accel
agent.max_linear_speed = start_speed
func _physics_process(delta: float) -> void:
if not player_agent:
return
_update_agent()
accel = _active_behavior.calculate_steering(accel)
velocity = (velocity + Vector2(accel.linear.x, accel.linear.y)).clamped(agent.max_linear_speed)
velocity = move_and_slide(velocity)
func _update_agent() -> void:
agent.position.x = global_position.x
agent.position.y = global_position.y
agent.linear_velocity.x = velocity.x
agent.linear_velocity.y = velocity.y
func _on_GUI_mode_changed(mode: int) -> void:
if mode == 0:
_active_behavior = seek
else:
_active_behavior = flee
func _on_GUI_accel_changed(value: float) -> void:
agent.max_linear_acceleration = value
func _on_GUI_speed_changed(value: float) -> void:
agent.max_linear_speed = value