130 lines
3.8 KiB
GDScript
130 lines
3.8 KiB
GDScript
@tool
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extends Function
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class_name Movable
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signal on_move(position: Vector3, rotation: Vector3)
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signal on_moved()
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@export var restricted: bool = false
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@export var resizable: bool = false
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@export var lock_rotation: bool = false
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@export var restrict_movement: Callable
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@export var disabled: bool = false
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var initiator = null
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var initiator2 = null
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var resizing = false
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var relative_transform = Transform3D()
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var initial_point = Vector3()
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var initial_rotation = Vector3()
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# For Scaling
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var initial_position = Vector3()
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var initial_direction = Vector3()
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var initial_up = Vector3()
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var initial_transform = Transform3D()
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var distances = Vector2()
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func _process(delta):
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if get_tree().debug_collisions_hint&&resizing:
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DebugDraw3D.draw_line(initial_position, initial_position + initial_direction, Color(1, 0, 0))
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DebugDraw3D.draw_line(initial_position, initial_position + initial_up, Color(0, 1, 0))
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func _on_grab_down(event: EventPointer):
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if disabled:
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return
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if restricted&&event.target != get_parent():
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return
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if resizing&&initiator2 != null:
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return
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if resizable&&initiator != null:
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initiator2 = event.initiator
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resizing = true
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distances.y = event.ray.get_collision_point().distance_to(event.ray.global_position)
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initial_position = _get_first_ray_point()
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initial_direction = _get_second_ray_point() - initial_position
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initial_up = -initiator.node.global_transform.basis.z.normalized() * distances.x
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initial_transform = get_parent().global_transform
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return
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if resizable:
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distances.x = event.ray.get_collision_point().distance_to(event.ray.global_position)
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initiator = event.initiator
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_update_relative_transform()
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if lock_rotation:
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initial_point = get_parent().to_local(event.ray.get_collision_point())
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initial_rotation = get_parent().global_rotation
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func _on_grab_move(event: EventPointer):
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if event.initiator != initiator:
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return
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if resizing:
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var new_position = _get_first_ray_point()
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var new_direction = _get_second_ray_point() - new_position
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var new_up = -initiator.node.global_transform.basis.z.normalized() * distances.x
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if get_tree().debug_collisions_hint:
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DebugDraw3D.draw_line(new_position, new_position + new_direction, Color(1, 0, 0))
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DebugDraw3D.draw_line(new_position, new_position + new_up, Color(0, 1, 0))
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get_parent().global_transform = TransformTools.calc_delta_transform(initial_position, initial_direction, initial_up, new_position, new_direction, new_up) * initial_transform
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return
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get_parent().global_transform = initiator.node.global_transform * relative_transform
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if lock_rotation:
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get_parent().global_transform = TransformTools.rotate_around_point(get_parent().global_transform, get_parent().to_global(initial_point), initial_rotation - get_parent().global_rotation)
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func _on_grab_up(event: EventPointer):
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if event.initiator == initiator2:
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initiator2 = null
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resizing = false
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_update_relative_transform()
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return
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if event.initiator == initiator:
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if initiator2 != null:
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initiator = initiator2
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initiator2 = null
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resizing = false
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_update_relative_transform()
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else:
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initiator = null
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initiator2 = null
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resizing = false
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on_moved.emit()
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func _get_first_ray_point():
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if initiator == null:
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return Vector3()
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return initiator.node.global_position - initiator.node.global_transform.basis.z.normalized() * distances.x
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func _get_second_ray_point():
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if initiator2 == null:
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return Vector3()
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return initiator2.node.global_position - initiator2.node.global_transform.basis.z.normalized() * distances.y
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func _update_relative_transform():
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relative_transform = initiator.node.global_transform.affine_inverse() * get_parent().global_transform
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func _get_configuration_warnings() -> PackedStringArray:
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var warnings := PackedStringArray()
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if get_parent() is StaticBody3D == false:
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warnings.append("Movable requires a StaticBody3D as parent.")
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return warnings
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