2020-01-09 18:24:55 +01:00
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class_name GSTCohesion
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2020-01-16 23:14:50 +01:00
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extends GSTGroupBehavior
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2020-01-09 18:24:55 +01:00
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# Group behavior that produces linear acceleration that attempts to move the agent towards the
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2020-01-27 19:24:05 +01:00
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# center of mass of the agents in the area defined by the Proximity.
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2020-01-09 18:24:55 +01:00
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var center_of_mass: Vector3
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2020-01-10 18:15:50 +01:00
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func _init(agent: GSTSteeringAgent, proximity: GSTProximity).(agent, proximity) -> void:
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pass
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2020-01-09 18:24:55 +01:00
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func _calculate_steering(acceleration: GSTTargetAcceleration) -> GSTTargetAcceleration:
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acceleration.set_zero()
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center_of_mass = Vector3.ZERO
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2020-01-10 18:15:50 +01:00
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var neighbor_count = proximity.find_neighbors(_callback)
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2020-01-09 18:24:55 +01:00
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if neighbor_count > 0:
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center_of_mass *= 1.0 / neighbor_count
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2020-01-22 17:55:49 +01:00
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acceleration.linear = (center_of_mass - agent.position).normalized() * agent.linear_acceleration_max
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2020-01-09 18:24:55 +01:00
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return acceleration
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2020-01-10 18:15:50 +01:00
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func report_neighbor(neighbor: GSTSteeringAgent) -> bool:
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2020-01-09 18:24:55 +01:00
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center_of_mass += neighbor.position
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return true
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