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