mirror of
https://github.com/Relintai/godot-steering-ai-framework.git
synced 2025-01-01 13:49:49 +01:00
28 lines
917 B
GDScript3
28 lines
917 B
GDScript3
|
extends GSTSteeringBehavior
|
||
|
class_name GSTCohesion
|
||
|
# Group behavior that produces linear acceleration that attempts to move the agent towards the
|
||
|
# center of mass of the agents in the area defined by the defined Proximity.
|
||
|
|
||
|
|
||
|
var center_of_mass: Vector3
|
||
|
var proximity: GSTProximity
|
||
|
|
||
|
|
||
|
func _init(agent: GSTSteeringAgent, proximity: GSTProximity).(agent) -> void:
|
||
|
self.proximity = proximity
|
||
|
|
||
|
|
||
|
func _calculate_steering(acceleration: GSTTargetAcceleration) -> GSTTargetAcceleration:
|
||
|
acceleration.set_zero()
|
||
|
center_of_mass = Vector3.ZERO
|
||
|
var neighbor_count = proximity.find_neighbors(funcref(self, "_report_neighbor"))
|
||
|
if neighbor_count > 0:
|
||
|
center_of_mass *= 1.0 / neighbor_count
|
||
|
acceleration.linear = (center_of_mass - agent.position).normalized() * agent.max_linear_acceleration
|
||
|
return acceleration
|
||
|
|
||
|
|
||
|
func _report_neighbor(neighbor: GSTSteeringAgent) -> bool:
|
||
|
center_of_mass += neighbor.position
|
||
|
return true
|