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Expose mesh vertex count in SoftBody3D #110331

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Expose mesh vertex count in SoftBody3D #110331

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3 changes: 3 additions & 0 deletions doc/classes/SoftBody3D.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,9 @@
<member name="parent_collision_ignore" type="NodePath" setter="set_parent_collision_ignore" getter="get_parent_collision_ignore" default="NodePath(&quot;&quot;)">
[NodePath] to a [CollisionObject3D] this SoftBody3D should avoid clipping.
</member>
<member name="point_count" type="int" setter="" getter="get_point_count">
The number of vertices (points) on the soft body mesh.
</member>
<member name="pressure_coefficient" type="float" setter="set_pressure_coefficient" getter="get_pressure_coefficient" default="0.0">
The pressure coefficient of this soft body. Simulate pressure build-up from inside this body. Higher values increase the strength of this effect.
</member>
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14 changes: 14 additions & 0 deletions scene/3d/physics/soft_body_3d.cpp
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Expand Up @@ -378,6 +378,8 @@ void SoftBody3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_point_pinned", "point_index", "pinned", "attachment_path", "insert_at"), &SoftBody3D::pin_point, DEFVAL(NodePath()), DEFVAL(-1));
ClassDB::bind_method(D_METHOD("is_point_pinned", "point_index"), &SoftBody3D::is_point_pinned);

ClassDB::bind_method(D_METHOD("get_point_count"), &SoftBody3D::get_point_count);

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ClassDB::bind_method(D_METHOD("set_ray_pickable", "ray_pickable"), &SoftBody3D::set_ray_pickable);
ClassDB::bind_method(D_METHOD("is_ray_pickable"), &SoftBody3D::is_ray_pickable);

Expand All @@ -396,6 +398,8 @@ void SoftBody3D::_bind_methods() {

ADD_PROPERTY(PropertyInfo(Variant::BOOL, "ray_pickable"), "set_ray_pickable", "is_ray_pickable");

ADD_PROPERTY(PropertyInfo(Variant::INT, "point_count", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE), "", "get_point_count");

ADD_PROPERTY(PropertyInfo(Variant::INT, "disable_mode", PROPERTY_HINT_ENUM, "Remove,KeepActive"), "set_disable_mode", "get_disable_mode");

BIND_ENUM_CONSTANT(DISABLE_MODE_REMOVE);
Expand Down Expand Up @@ -692,6 +696,16 @@ Vector3 SoftBody3D::get_point_transform(int p_point_index) {
return PhysicsServer3D::get_singleton()->soft_body_get_point_global_position(physics_rid, p_point_index);
}

int SoftBody3D::get_point_count() const {
if (mesh.is_null()) {
return 0;
}

const int vertex_count = mesh->surface_get_array_len(0);
ERR_FAIL_COND_V(vertex_count < 0, 0);
return vertex_count;
}

void SoftBody3D::apply_impulse(int p_point_index, const Vector3 &p_impulse) {
PhysicsServer3D::get_singleton()->soft_body_apply_point_impulse(physics_rid, p_point_index, p_impulse);
}
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1 change: 1 addition & 0 deletions scene/3d/physics/soft_body_3d.h
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Expand Up @@ -151,6 +151,7 @@ class SoftBody3D : public MeshInstance3D {

void set_parent_collision_ignore(const NodePath &p_parent_collision_ignore);
const NodePath &get_parent_collision_ignore() const;
int get_point_count() const;

void set_pinned_points_indices(Vector<PinnedPoint> p_pinned_points_indices);
Vector<PinnedPoint> get_pinned_points_indices();
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