45 lines
1.3 KiB
GDScript
45 lines
1.3 KiB
GDScript
extends KinematicBody2D
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onready var _radius: float = ($CollisionShape2D.shape as CircleShape2D).radius
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onready var _agent: = GSTSteeringAgent.new()
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onready var _target: = GSTAgentLocation.new()
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onready var _arrive: = GSTArrive.new(_agent, _target)
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onready var _accel: = GSTTargetAcceleration.new()
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var _velocity: = Vector2()
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var _drag: = 1.0
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func _ready() -> void:
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_agent.max_linear_acceleration = 10
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_agent.max_linear_speed = 200
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_arrive.arrival_tolerance = 25
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_arrive.deceleration_radius = 225
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func _draw() -> void:
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draw_circle(Vector2.ZERO, _radius, Color.red)
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func _unhandled_input(event: InputEvent) -> void:
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if event is InputEventMouseButton:
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var mb: InputEventMouseButton = event
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if mb.button_index == BUTTON_LEFT and mb.pressed:
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_target.position = Vector3(mb.position.x, mb.position.y, 0)
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owner.draw(Vector2(_target.position.x, _target.position.y))
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func _physics_process(delta: float) -> void:
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_accel = _arrive.calculate_steering(_accel)
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_velocity += Vector2(_accel.linear.x, _accel.linear.y)
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_velocity -= _velocity * _drag * delta
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_velocity = move_and_slide(_velocity)
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_update_agent()
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func _update_agent() -> void:
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_agent.position = Vector3(global_position.x, global_position.y, 0)
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_agent.linear_velocity = Vector3(_velocity.x, _velocity.y, 0)
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