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Add hit_back_faces property to RayCast3D #79330

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merged 1 commit into from
Jul 14, 2023
Merged

Add hit_back_faces property to RayCast3D #79330

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3 changes: 3 additions & 0 deletions doc/classes/RayCast3D.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,9 @@
<member name="exclude_parent" type="bool" setter="set_exclude_parent_body" getter="get_exclude_parent_body" default="true">
If [code]true[/code], collisions will be ignored for this RayCast3D's immediate parent.
</member>
<member name="hit_back_faces" type="bool" setter="set_hit_back_faces" getter="is_hit_back_faces_enabled" default="true">
If [code]true[/code], the ray will hit back faces with concave polygon shapes with back face enabled or heightmap shapes.
</member>
<member name="hit_from_inside" type="bool" setter="set_hit_from_inside" getter="is_hit_from_inside_enabled" default="false">
If [code]true[/code], the ray will detect a hit when starting inside shapes. In this case the collision normal will be [code]Vector3(0, 0, 0)[/code]. Does not affect shapes with no volume like concave polygon or heightmap.
</member>
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13 changes: 13 additions & 0 deletions scene/3d/ray_cast_3d.cpp
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Expand Up @@ -223,6 +223,7 @@ void RayCast3D::_update_raycast_state() {
ray_params.collide_with_bodies = collide_with_bodies;
ray_params.collide_with_areas = collide_with_areas;
ray_params.hit_from_inside = hit_from_inside;
ray_params.hit_back_faces = hit_back_faces;

PhysicsDirectSpaceState3D::RayResult rr;
if (dss->intersect_ray(ray_params, rr)) {
Expand Down Expand Up @@ -297,6 +298,14 @@ bool RayCast3D::is_hit_from_inside_enabled() const {
return hit_from_inside;
}

void RayCast3D::set_hit_back_faces(bool p_enabled) {
hit_back_faces = p_enabled;
}

bool RayCast3D::is_hit_back_faces_enabled() const {
return hit_back_faces;
}

void RayCast3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &RayCast3D::set_enabled);
ClassDB::bind_method(D_METHOD("is_enabled"), &RayCast3D::is_enabled);
Expand Down Expand Up @@ -339,6 +348,9 @@ void RayCast3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_hit_from_inside", "enable"), &RayCast3D::set_hit_from_inside);
ClassDB::bind_method(D_METHOD("is_hit_from_inside_enabled"), &RayCast3D::is_hit_from_inside_enabled);

ClassDB::bind_method(D_METHOD("set_hit_back_faces", "enable"), &RayCast3D::set_hit_back_faces);
ClassDB::bind_method(D_METHOD("is_hit_back_faces_enabled"), &RayCast3D::is_hit_back_faces_enabled);

ClassDB::bind_method(D_METHOD("set_debug_shape_custom_color", "debug_shape_custom_color"), &RayCast3D::set_debug_shape_custom_color);
ClassDB::bind_method(D_METHOD("get_debug_shape_custom_color"), &RayCast3D::get_debug_shape_custom_color);

Expand All @@ -350,6 +362,7 @@ void RayCast3D::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "target_position", PROPERTY_HINT_NONE, "suffix:m"), "set_target_position", "get_target_position");
ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_mask", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_collision_mask", "get_collision_mask");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "hit_from_inside"), "set_hit_from_inside", "is_hit_from_inside_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "hit_back_faces"), "set_hit_back_faces", "is_hit_back_faces_enabled");

ADD_GROUP("Collide With", "collide_with");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "collide_with_areas", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_collide_with_areas", "is_collide_with_areas_enabled");
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4 changes: 4 additions & 0 deletions scene/3d/ray_cast_3d.h
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Expand Up @@ -69,6 +69,7 @@ class RayCast3D : public Node3D {
bool collide_with_bodies = true;

bool hit_from_inside = false;
bool hit_back_faces = true;

protected:
void _notification(int p_what);
Expand All @@ -85,6 +86,9 @@ class RayCast3D : public Node3D {
void set_hit_from_inside(bool p_enabled);
bool is_hit_from_inside_enabled() const;

void set_hit_back_faces(bool p_enabled);
bool is_hit_back_faces_enabled() const;

void set_enabled(bool p_enabled);
bool is_enabled() const;

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