46 lines
1.4 KiB
GDScript
46 lines
1.4 KiB
GDScript
extends Node3D
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## NS-14: client-only click-to-move. Provisional until authoritative movement sync (server / MoveCommand).
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@onready var _camera: Camera3D = $World/Camera3D
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@onready var _player: CharacterBody3D = $Player
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func _input(event: InputEvent) -> void:
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if event is InputEventMouseButton:
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var mb := event as InputEventMouseButton
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if mb.button_index == MOUSE_BUTTON_LEFT and mb.pressed:
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_try_set_move_target(get_viewport().get_mouse_position())
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func _try_set_move_target(screen_pos: Vector2) -> void:
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var cam: Camera3D = get_viewport().get_camera_3d()
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if cam == null:
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cam = _camera
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var origin: Vector3 = cam.project_ray_origin(screen_pos)
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var ray_dir: Vector3 = cam.project_ray_normal(screen_pos)
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var to: Vector3 = origin + ray_dir * 2000.0
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var query := PhysicsRayQueryParameters3D.create(origin, to)
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query.collision_mask = 1
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var space: PhysicsDirectSpaceState3D = get_world_3d().direct_space_state
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var hit: Dictionary = space.intersect_ray(query)
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if hit.is_empty():
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return
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var collider: Variant = hit.get("collider")
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if not _collider_is_walkable(collider):
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return
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var hit_pos: Variant = hit.get("position")
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if hit_pos is Vector3:
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_player.set_move_goal(hit_pos as Vector3)
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func _collider_is_walkable(collider: Variant) -> bool:
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var n: Node = collider as Node
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while n:
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if n.is_in_group("walkable"):
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return true
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n = n.get_parent()
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return false
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