70 lines
1.7 KiB
GDScript
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
|