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29 lines
1005 B
GDScript
29 lines
1005 B
GDScript
class_name GSAIFace
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extends GSAIMatchOrientation
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# Calculates angular acceleration to rotate a target to face its target's
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# position. The behavior attemps to arrive with zero remaining angular velocity.
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# @category - Individual behaviors
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func face(acceleration: GSAITargetAcceleration, target_position: Vector3) -> void:
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call("_face", acceleration, target_position)
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func _face(acceleration: GSAITargetAcceleration, target_position: Vector3) -> void:
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var to_target : Vector3 = target_position - agent.position
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var distance_squared : float = to_target.length_squared()
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if distance_squared < agent.zero_linear_speed_threshold:
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acceleration.set_zero()
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else:
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var orientation : float
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if use_z:
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orientation = GSAIUtils.vector3_to_angle(to_target)
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else:
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orientation = GSAIUtils.vector2_to_angle(GSAIUtils.to_vector2(to_target))
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match_orientation(acceleration, orientation)
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func _calculate_steering(acceleration: GSAITargetAcceleration) -> void:
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face(acceleration, target.position)
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