27 lines
744 B
GDScript
27 lines
744 B
GDScript
extends Node2D
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class_name Boid2D
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## controls the properties of this boid, deciding how it will behave.
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@export var properties: BoidProperties
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# position is .position since this is base Node2D
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var velocity := Vector2.ZERO
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# this is assigned by the flock, if this boid is a child of it
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var flock: Flock
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var last_processed_in: int = 0
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## applies some force to this boid.
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func apply_force(spatial_force: Vector3) -> void:
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var force := Vector2(spatial_force.x, spatial_force.y)
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velocity += force
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velocity = velocity.limit_length(properties.max_speed)
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position += velocity
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func _get_boid_position() -> Vector3:
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return Vector3(position.x, position.y, 0.0)
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func _get_boid_velocity() -> Vector3:
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return Vector3(velocity.x, velocity.y, 0.0)
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