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Include collide_with_areas in ray-casting.rst #7449

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merged 2 commits into from
Jun 2, 2023
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Include collide_with_areas in ray-casting.rst #7449

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73a3a2b
Include collide_with_areas in ray-casting.rst
angadjosan May 31, 2023
279c598
Update tutorials/physics/ray-casting.rst
angadjosan Jun 2, 2023
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20 changes: 18 additions & 2 deletions tutorials/physics/ray-casting.rst
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Expand Up @@ -151,7 +151,24 @@ data:
metadata: Variant() # metadata of collider
}

The data is similar in 3D space, using Vector3 coordinates.
The data is similar in 3D space, using Vector3 coordinates. Note that to enable collisions
with Area3D, the boolean parameter ``collide_with_areas`` must be set to ``true``.

.. tabs::
.. code-tab:: gdscript GDScript
const RAY_LENGTH = 1000

func _physics_process(delta):
var space_state = get_world_3d().direct_space_state
var cam = $Camera3D
var mousepos = get_viewport().get_mouse_position()

var origin = cam.project_ray_origin(mousepos)
var end = origin + cam.project_ray_normal(mousepos) * RAY_LENGTH
var query = PhysicsRayQueryParameters3D.create(origin, end)
query.collide_with_areas = true

var result = space_state.intersect_ray(query)

Collision exceptions
--------------------
Expand Down Expand Up @@ -278,6 +295,5 @@ To obtain it using a camera, the following code can be used:
}
}


Remember that during ``_input()``, the space may be locked, so in practice
this query should be run in ``_physics_process()``.