pandemonium_demo_projects/steering_ai/Demos/GroupBehaviors/Member.gd

70 lines
1.7 KiB
GDScript

extends KinematicBody2D
var separation: GSAISeparation
var cohesion: GSAICohesion
var proximity: GSAIRadiusProximity
var agent :GSAIKinematicBody2DAgent = null
var blend : GSAIBlend = null
var acceleration : GSAITargetAcceleration = null
var draw_proximity := false
var _color := Color.red
var _velocity := Vector2()
onready var collision_shape := $CollisionShape2D
func _init() -> void:
agent = GSAIKinematicBody2DAgent.new()
agent.body = self
blend = GSAIBlend.new()
blend.agent = agent
acceleration = GSAITargetAcceleration.new()
func setup(
linear_speed_max: float,
linear_accel_max: float,
proximity_radius: float,
separation_decay_coefficient: float,
cohesion_strength: float,
separation_strength: float
) -> void:
_color = Color(rand_range(0.5, 1), rand_range(0.25, 1), rand_range(0, 1))
collision_shape.inner_color = _color
agent.linear_acceleration_max = linear_accel_max
agent.linear_speed_max = linear_speed_max
agent.linear_drag_percentage = 0.1
proximity = GSAIRadiusProximity.new()
proximity.agent = agent
proximity.radius = proximity_radius
separation = GSAISeparation.new()
separation.agent = agent
separation.proximity = proximity
separation.decay_coefficient = separation_decay_coefficient
cohesion = GSAICohesion.new()
cohesion.agent = agent
cohesion.proximity = proximity
blend.add_behavior(separation, separation_strength)
blend.add_behavior(cohesion, cohesion_strength)
func _draw() -> void:
if draw_proximity:
draw_circle(Vector2.ZERO, proximity.radius, Color(0.4, 1.0, 0.89, 0.3))
func _physics_process(delta: float) -> void:
if blend:
blend.calculate_steering(acceleration)
agent.apply_steering(acceleration, delta)
func set_neighbors(neighbor: Array) -> void:
proximity.agents = neighbor