diff --git a/doc/classes/ConcavePolygonShape3D.xml b/doc/classes/ConcavePolygonShape3D.xml
index 3e83202472f..a9687abedc5 100644
--- a/doc/classes/ConcavePolygonShape3D.xml
+++ b/doc/classes/ConcavePolygonShape3D.xml
@@ -28,6 +28,11 @@
+
+
+ If set to [code]true[/code], collisions occur on both sides of the concave shape faces. Otherwise they occur only along the face normals.
+
+
diff --git a/modules/bullet/shape_bullet.cpp b/modules/bullet/shape_bullet.cpp
index 82876ab77c2..471b1548139 100644
--- a/modules/bullet/shape_bullet.cpp
+++ b/modules/bullet/shape_bullet.cpp
@@ -375,11 +375,17 @@ ConcavePolygonShapeBullet::~ConcavePolygonShapeBullet() {
}
void ConcavePolygonShapeBullet::set_data(const Variant &p_data) {
- setup(p_data);
+ Dictionary d = p_data;
+ ERR_FAIL_COND(!d.has("faces"));
+
+ setup(d["faces"]);
}
Variant ConcavePolygonShapeBullet::get_data() const {
- return faces;
+ Dictionary d;
+ d["faces"] = faces;
+
+ return d;
}
PhysicsServer3D::ShapeType ConcavePolygonShapeBullet::get_type() const {
diff --git a/scene/resources/concave_polygon_shape_3d.cpp b/scene/resources/concave_polygon_shape_3d.cpp
index f067695d7dd..3fed700383a 100644
--- a/scene/resources/concave_polygon_shape_3d.cpp
+++ b/scene/resources/concave_polygon_shape_3d.cpp
@@ -35,13 +35,12 @@
Vector ConcavePolygonShape3D::get_debug_mesh_lines() const {
Set edges;
- Vector data = get_faces();
- int datalen = data.size();
- ERR_FAIL_COND_V((datalen % 3) != 0, Vector());
+ int index_count = faces.size();
+ ERR_FAIL_COND_V((index_count % 3) != 0, Vector());
- const Vector3 *r = data.ptr();
+ const Vector3 *r = faces.ptr();
- for (int i = 0; i < datalen; i += 3) {
+ for (int i = 0; i < index_count; i += 3) {
for (int j = 0; j < 3; j++) {
DrawEdge de(r[i + j], r[i + ((j + 1) % 3)]);
edges.insert(de);
@@ -71,22 +70,46 @@ real_t ConcavePolygonShape3D::get_enclosing_radius() const {
}
void ConcavePolygonShape3D::_update_shape() {
+ Dictionary d;
+ d["faces"] = faces;
+ d["backface_collision"] = backface_collision;
+ PhysicsServer3D::get_singleton()->shape_set_data(get_shape(), d);
+
Shape3D::_update_shape();
}
void ConcavePolygonShape3D::set_faces(const Vector &p_faces) {
- PhysicsServer3D::get_singleton()->shape_set_data(get_shape(), p_faces);
+ faces = p_faces;
+ _update_shape();
notify_change_to_owners();
}
Vector ConcavePolygonShape3D::get_faces() const {
- return PhysicsServer3D::get_singleton()->shape_get_data(get_shape());
+ return faces;
+}
+
+void ConcavePolygonShape3D::set_backface_collision_enabled(bool p_enabled) {
+ backface_collision = p_enabled;
+
+ if (!faces.is_empty()) {
+ _update_shape();
+ notify_change_to_owners();
+ }
+}
+
+bool ConcavePolygonShape3D::is_backface_collision_enabled() const {
+ return backface_collision;
}
void ConcavePolygonShape3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_faces", "faces"), &ConcavePolygonShape3D::set_faces);
ClassDB::bind_method(D_METHOD("get_faces"), &ConcavePolygonShape3D::get_faces);
+
+ ClassDB::bind_method(D_METHOD("set_backface_collision_enabled", "enabled"), &ConcavePolygonShape3D::set_backface_collision_enabled);
+ ClassDB::bind_method(D_METHOD("is_backface_collision_enabled"), &ConcavePolygonShape3D::is_backface_collision_enabled);
+
ADD_PROPERTY(PropertyInfo(Variant::PACKED_VECTOR3_ARRAY, "data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "set_faces", "get_faces");
+ ADD_PROPERTY(PropertyInfo(Variant::BOOL, "backface_collision"), "set_backface_collision_enabled", "is_backface_collision_enabled");
}
ConcavePolygonShape3D::ConcavePolygonShape3D() :
diff --git a/scene/resources/concave_polygon_shape_3d.h b/scene/resources/concave_polygon_shape_3d.h
index 391459a3d7a..bb28359dcce 100644
--- a/scene/resources/concave_polygon_shape_3d.h
+++ b/scene/resources/concave_polygon_shape_3d.h
@@ -36,6 +36,9 @@
class ConcavePolygonShape3D : public Shape3D {
GDCLASS(ConcavePolygonShape3D, Shape3D);
+ Vector faces;
+ bool backface_collision = false;
+
struct DrawEdge {
Vector3 a;
Vector3 b;
@@ -65,6 +68,9 @@ public:
void set_faces(const Vector &p_faces);
Vector get_faces() const;
+ void set_backface_collision_enabled(bool p_enabled);
+ bool is_backface_collision_enabled() const;
+
virtual Vector get_debug_mesh_lines() const override;
virtual real_t get_enclosing_radius() const override;
diff --git a/servers/physics_3d/collision_solver_3d_sat.cpp b/servers/physics_3d/collision_solver_3d_sat.cpp
index 33075a38bec..db48f011c65 100644
--- a/servers/physics_3d/collision_solver_3d_sat.cpp
+++ b/servers/physics_3d/collision_solver_3d_sat.cpp
@@ -626,7 +626,7 @@ public:
}
}
- _FORCE_INLINE_ bool test_axis(const Vector3 &p_axis) {
+ _FORCE_INLINE_ bool test_axis(const Vector3 &p_axis, bool p_directional = false) {
Vector3 axis = p_axis;
if (Math::abs(axis.x) < CMP_EPSILON &&
@@ -662,7 +662,12 @@ public:
//use the smallest depth
if (min_B < 0.0) { // could be +0.0, we don't want it to become -0.0
- min_B = -min_B;
+ if (p_directional) {
+ min_B = max_B;
+ axis = -axis;
+ } else {
+ min_B = -min_B;
+ }
}
if (max_B < min_B) {
@@ -1006,23 +1011,31 @@ static void _collision_sphere_face(const Shape3DSW *p_a, const Transform &p_tran
p_transform_b.xform(face_B->vertex[2]),
};
- if (!separator.test_axis((vertex[0] - vertex[2]).cross(vertex[0] - vertex[1]).normalized())) {
+ Vector3 normal = (vertex[0] - vertex[2]).cross(vertex[0] - vertex[1]).normalized();
+
+ if (!separator.test_axis(normal, !face_B->backface_collision)) {
return;
}
// edges and points of B
for (int i = 0; i < 3; i++) {
Vector3 n1 = vertex[i] - p_transform_a.origin;
+ if (n1.dot(normal) < 0.0) {
+ n1 *= -1.0;
+ }
- if (!separator.test_axis(n1.normalized())) {
+ if (!separator.test_axis(n1.normalized(), !face_B->backface_collision)) {
return;
}
Vector3 n2 = vertex[(i + 1) % 3] - vertex[i];
Vector3 axis = n1.cross(n2).cross(n2).normalized();
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
- if (!separator.test_axis(axis)) {
+ if (!separator.test_axis(axis, !face_B->backface_collision)) {
return;
}
}
@@ -1467,15 +1480,20 @@ static void _collision_box_face(const Shape3DSW *p_a, const Transform &p_transfo
p_transform_b.xform(face_B->vertex[2]),
};
- if (!separator.test_axis((vertex[0] - vertex[2]).cross(vertex[0] - vertex[1]).normalized())) {
+ Vector3 normal = (vertex[0] - vertex[2]).cross(vertex[0] - vertex[1]).normalized();
+
+ if (!separator.test_axis(normal, !face_B->backface_collision)) {
return;
}
// faces of A
for (int i = 0; i < 3; i++) {
Vector3 axis = p_transform_a.basis.get_axis(i).normalized();
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
- if (!separator.test_axis(axis)) {
+ if (!separator.test_axis(axis, !face_B->backface_collision)) {
return;
}
}
@@ -1486,9 +1504,12 @@ static void _collision_box_face(const Shape3DSW *p_a, const Transform &p_transfo
Vector3 e = vertex[i] - vertex[(i + 1) % 3];
for (int j = 0; j < 3; j++) {
- Vector3 axis = p_transform_a.basis.get_axis(j);
+ Vector3 axis = e.cross(p_transform_a.basis.get_axis(j)).normalized();
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
- if (!separator.test_axis(e.cross(axis).normalized())) {
+ if (!separator.test_axis(axis, !face_B->backface_collision)) {
return;
}
}
@@ -1508,8 +1529,11 @@ static void _collision_box_face(const Shape3DSW *p_a, const Transform &p_transfo
(cnormal_a.z < 0) ? -box_A->get_half_extents().z : box_A->get_half_extents().z));
Vector3 axis_ab = support_a - vertex[v];
+ if (axis_ab.dot(normal) < 0.0) {
+ axis_ab *= -1.0;
+ }
- if (!separator.test_axis(axis_ab.normalized())) {
+ if (!separator.test_axis(axis_ab.normalized(), !face_B->backface_collision)) {
return;
}
@@ -1519,7 +1543,12 @@ static void _collision_box_face(const Shape3DSW *p_a, const Transform &p_transfo
//a ->b
Vector3 axis_a = p_transform_a.basis.get_axis(i);
- if (!separator.test_axis(axis_ab.cross(axis_a).cross(axis_a).normalized())) {
+ Vector3 axis = axis_ab.cross(axis_a).cross(axis_a).normalized();
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
+
+ if (!separator.test_axis(axis, !face_B->backface_collision)) {
return;
}
}
@@ -1544,7 +1573,12 @@ static void _collision_box_face(const Shape3DSW *p_a, const Transform &p_transfo
Vector3 n = (p2 - p1);
- if (!separator.test_axis((point - p2).cross(n).cross(n).normalized())) {
+ Vector3 axis = (point - p2).cross(n).cross(n).normalized();
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
+
+ if (!separator.test_axis(axis, !face_B->backface_collision)) {
return;
}
}
@@ -1759,7 +1793,9 @@ static void _collision_capsule_face(const Shape3DSW *p_a, const Transform &p_tra
p_transform_b.xform(face_B->vertex[2]),
};
- if (!separator.test_axis((vertex[0] - vertex[2]).cross(vertex[0] - vertex[1]).normalized())) {
+ Vector3 normal = (vertex[0] - vertex[2]).cross(vertex[0] - vertex[1]).normalized();
+
+ if (!separator.test_axis(normal, !face_B->backface_collision)) {
return;
}
@@ -1770,13 +1806,22 @@ static void _collision_capsule_face(const Shape3DSW *p_a, const Transform &p_tra
for (int i = 0; i < 3; i++) {
// edge-cylinder
Vector3 edge_axis = vertex[i] - vertex[(i + 1) % 3];
- Vector3 axis = edge_axis.cross(capsule_axis).normalized();
- if (!separator.test_axis(axis)) {
+ Vector3 axis = edge_axis.cross(capsule_axis).normalized();
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
+
+ if (!separator.test_axis(axis, !face_B->backface_collision)) {
return;
}
- if (!separator.test_axis((p_transform_a.origin - vertex[i]).cross(capsule_axis).cross(capsule_axis).normalized())) {
+ Vector3 dir_axis = (p_transform_a.origin - vertex[i]).cross(capsule_axis).cross(capsule_axis).normalized();
+ if (dir_axis.dot(normal) < 0.0) {
+ dir_axis *= -1.0;
+ }
+
+ if (!separator.test_axis(dir_axis, !face_B->backface_collision)) {
return;
}
@@ -1785,16 +1830,22 @@ static void _collision_capsule_face(const Shape3DSW *p_a, const Transform &p_tra
Vector3 sphere_pos = p_transform_a.origin + ((j == 0) ? capsule_axis : -capsule_axis);
Vector3 n1 = sphere_pos - vertex[i];
+ if (n1.dot(normal) < 0.0) {
+ n1 *= -1.0;
+ }
- if (!separator.test_axis(n1.normalized())) {
+ if (!separator.test_axis(n1.normalized(), !face_B->backface_collision)) {
return;
}
Vector3 n2 = edge_axis;
axis = n1.cross(n2).cross(n2);
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
- if (!separator.test_axis(axis.normalized())) {
+ if (!separator.test_axis(axis.normalized(), !face_B->backface_collision)) {
return;
}
}
@@ -1891,18 +1942,21 @@ static void _collision_cylinder_face(const Shape3DSW *p_a, const Transform &p_tr
p_transform_b.xform(face_B->vertex[2]),
};
+ Vector3 normal = (vertex[0] - vertex[2]).cross(vertex[0] - vertex[1]).normalized();
+
// Face B normal.
- if (!separator.test_axis((vertex[0] - vertex[2]).cross(vertex[0] - vertex[1]).normalized())) {
+ if (!separator.test_axis(normal, !face_B->backface_collision)) {
return;
}
Vector3 cyl_axis = p_transform_a.basis.get_axis(1).normalized();
+ if (cyl_axis.dot(normal) < 0.0) {
+ cyl_axis *= -1.0;
+ }
// Cylinder end caps.
- {
- if (!separator.test_axis(cyl_axis)) {
- return;
- }
+ if (!separator.test_axis(cyl_axis, !face_B->backface_collision)) {
+ return;
}
// Edges of B, cylinder lateral surface.
@@ -1913,7 +1967,11 @@ static void _collision_cylinder_face(const Shape3DSW *p_a, const Transform &p_tr
continue;
}
- if (!separator.test_axis(axis.normalized())) {
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
+
+ if (!separator.test_axis(axis.normalized(), !face_B->backface_collision)) {
return;
}
}
@@ -1922,8 +1980,11 @@ static void _collision_cylinder_face(const Shape3DSW *p_a, const Transform &p_tr
for (int i = 0; i < 3; i++) {
const Vector3 &point = vertex[i];
Vector3 axis = Plane(cyl_axis, 0).project(point).normalized();
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
- if (!separator.test_axis(axis)) {
+ if (!separator.test_axis(axis, !face_B->backface_collision)) {
return;
}
}
@@ -1956,8 +2017,11 @@ static void _collision_cylinder_face(const Shape3DSW *p_a, const Transform &p_tr
// Axis is orthogonal both to tangent and edge direction.
Vector3 axis = tangent.cross(edge_dir);
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
- if (!separator.test_axis(axis.normalized())) {
+ if (!separator.test_axis(axis.normalized(), !face_B->backface_collision)) {
return;
}
}
@@ -2097,7 +2161,9 @@ static void _collision_convex_polygon_face(const Shape3DSW *p_a, const Transform
p_transform_b.xform(face_B->vertex[2]),
};
- if (!separator.test_axis((vertex[0] - vertex[2]).cross(vertex[0] - vertex[1]).normalized())) {
+ Vector3 normal = (vertex[0] - vertex[2]).cross(vertex[0] - vertex[1]).normalized();
+
+ if (!separator.test_axis(normal, !face_B->backface_collision)) {
return;
}
@@ -2105,8 +2171,11 @@ static void _collision_convex_polygon_face(const Shape3DSW *p_a, const Transform
for (int i = 0; i < face_count; i++) {
//Vector3 axis = p_transform_a.xform( faces[i].plane ).normal;
Vector3 axis = p_transform_a.basis.xform(faces[i].plane.normal).normalized();
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
- if (!separator.test_axis(axis)) {
+ if (!separator.test_axis(axis, !face_B->backface_collision)) {
return;
}
}
@@ -2119,8 +2188,11 @@ static void _collision_convex_polygon_face(const Shape3DSW *p_a, const Transform
Vector3 e2 = vertex[j] - vertex[(j + 1) % 3];
Vector3 axis = e1.cross(e2).normalized();
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
- if (!separator.test_axis(axis)) {
+ if (!separator.test_axis(axis, !face_B->backface_collision)) {
return;
}
}
@@ -2132,7 +2204,12 @@ static void _collision_convex_polygon_face(const Shape3DSW *p_a, const Transform
Vector3 va = p_transform_a.xform(vertices[i]);
for (int j = 0; j < 3; j++) {
- if (!separator.test_axis((va - vertex[j]).normalized())) {
+ Vector3 axis = (va - vertex[j]).normalized();
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
+
+ if (!separator.test_axis(axis, !face_B->backface_collision)) {
return;
}
}
@@ -2147,7 +2224,12 @@ static void _collision_convex_polygon_face(const Shape3DSW *p_a, const Transform
for (int j = 0; j < 3; j++) {
Vector3 e3 = vertex[j];
- if (!separator.test_axis((e1 - e3).cross(n).cross(n).normalized())) {
+ Vector3 axis = (e1 - e3).cross(n).cross(n).normalized();
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
+
+ if (!separator.test_axis(axis, !face_B->backface_collision)) {
return;
}
}
@@ -2161,7 +2243,12 @@ static void _collision_convex_polygon_face(const Shape3DSW *p_a, const Transform
for (int j = 0; j < vertex_count; j++) {
Vector3 e3 = p_transform_a.xform(vertices[j]);
- if (!separator.test_axis((e1 - e3).cross(n).cross(n).normalized())) {
+ Vector3 axis = (e1 - e3).cross(n).cross(n).normalized();
+ if (axis.dot(normal) < 0.0) {
+ axis *= -1.0;
+ }
+
+ if (!separator.test_axis(axis, !face_B->backface_collision)) {
return;
}
}
diff --git a/servers/physics_3d/shape_3d_sw.cpp b/servers/physics_3d/shape_3d_sw.cpp
index 02d0c662158..687a7b288ff 100644
--- a/servers/physics_3d/shape_3d_sw.cpp
+++ b/servers/physics_3d/shape_3d_sw.cpp
@@ -1134,7 +1134,7 @@ void FaceShape3DSW::get_supports(const Vector3 &p_normal, int p_max, Vector3 *r_
Vector3 n = p_normal;
/** TEST FACE AS SUPPORT **/
- if (normal.dot(n) > _FACE_IS_VALID_SUPPORT_THRESHOLD) {
+ if (Math::abs(normal.dot(n)) > _FACE_IS_VALID_SUPPORT_THRESHOLD) {
r_amount = 3;
r_type = FEATURE_FACE;
for (int i = 0; i < 3; i++) {
@@ -1187,7 +1187,11 @@ bool FaceShape3DSW::intersect_segment(const Vector3 &p_begin, const Vector3 &p_e
if (c) {
r_normal = Plane(vertex[0], vertex[1], vertex[2]).normal;
if (r_normal.dot(p_end - p_begin) > 0) {
- r_normal = -r_normal;
+ if (backface_collision) {
+ r_normal = -r_normal;
+ } else {
+ c = false;
+ }
}
}
@@ -1285,30 +1289,24 @@ void ConcavePolygonShape3DSW::_cull_segment(int p_idx, _SegmentCullParams *p_par
}
if (bvh->face_index >= 0) {
- Vector3 res;
- Vector3 vertices[3] = {
- p_params->vertices[p_params->faces[bvh->face_index].indices[0]],
- p_params->vertices[p_params->faces[bvh->face_index].indices[1]],
- p_params->vertices[p_params->faces[bvh->face_index].indices[2]]
- };
+ const Face *f = &p_params->faces[bvh->face_index];
+ FaceShape3DSW *face = p_params->face;
+ face->normal = f->normal;
+ face->vertex[0] = p_params->vertices[f->indices[0]];
+ face->vertex[1] = p_params->vertices[f->indices[1]];
+ face->vertex[2] = p_params->vertices[f->indices[2]];
- if (Geometry3D::segment_intersects_triangle(
- p_params->from,
- p_params->to,
- vertices[0],
- vertices[1],
- vertices[2],
- &res)) {
+ Vector3 res;
+ Vector3 normal;
+ if (face->intersect_segment(p_params->from, p_params->to, res, normal)) {
real_t d = p_params->dir.dot(res) - p_params->dir.dot(p_params->from);
- //TODO, seems segmen/triangle intersection is broken :(
- if (d > 0 && d < p_params->min_d) {
+ if ((d > 0) && (d < p_params->min_d)) {
p_params->min_d = d;
p_params->result = res;
- p_params->normal = Plane(vertices[0], vertices[1], vertices[2]).normal;
+ p_params->normal = normal;
p_params->collisions++;
}
}
-
} else {
if (bvh->left >= 0) {
_cull_segment(bvh->left, p_params);
@@ -1329,17 +1327,20 @@ bool ConcavePolygonShape3DSW::intersect_segment(const Vector3 &p_begin, const Ve
const Vector3 *vr = vertices.ptr();
const BVH *br = bvh.ptr();
+ FaceShape3DSW face;
+ face.backface_collision = backface_collision;
+
_SegmentCullParams params;
params.from = p_begin;
params.to = p_end;
- params.collisions = 0;
params.dir = (p_end - p_begin).normalized();
params.faces = fr;
params.vertices = vr;
params.bvh = br;
- params.min_d = 1e20;
+ params.face = &face;
+
// cull
_cull_segment(0, ¶ms);
@@ -1401,6 +1402,7 @@ void ConcavePolygonShape3DSW::cull(const AABB &p_local_aabb, Callback p_callback
const BVH *br = bvh.ptr();
FaceShape3DSW face; // use this to send in the callback
+ face.backface_collision = backface_collision;
_CullParams params;
params.aabb = local_aabb;
@@ -1532,7 +1534,7 @@ void ConcavePolygonShape3DSW::_fill_bvh(_VolumeSW_BVH *p_bvh_tree, BVH *p_bvh_ar
memdelete(p_bvh_tree);
}
-void ConcavePolygonShape3DSW::_setup(Vector p_faces) {
+void ConcavePolygonShape3DSW::_setup(const Vector &p_faces, bool p_backface_collision) {
int src_face_count = p_faces.size();
if (src_face_count == 0) {
configure(AABB());
@@ -1587,15 +1589,24 @@ void ConcavePolygonShape3DSW::_setup(Vector p_faces) {
int idx = 0;
_fill_bvh(bvh_tree, bvh_arrayw2, idx);
+ backface_collision = p_backface_collision;
+
configure(_aabb); // this type of shape has no margin
}
void ConcavePolygonShape3DSW::set_data(const Variant &p_data) {
- _setup(p_data);
+ Dictionary d = p_data;
+ ERR_FAIL_COND(!d.has("faces"));
+
+ _setup(d["faces"], d["backface_collision"]);
}
Variant ConcavePolygonShape3DSW::get_data() const {
- return get_faces();
+ Dictionary d;
+ d["faces"] = get_faces();
+ d["backface_collision"] = backface_collision;
+
+ return d;
}
ConcavePolygonShape3DSW::ConcavePolygonShape3DSW() {
diff --git a/servers/physics_3d/shape_3d_sw.h b/servers/physics_3d/shape_3d_sw.h
index cafe978abbd..988e76c6991 100644
--- a/servers/physics_3d/shape_3d_sw.h
+++ b/servers/physics_3d/shape_3d_sw.h
@@ -334,34 +334,37 @@ struct ConcavePolygonShape3DSW : public ConcaveShape3DSW {
struct _CullParams {
AABB aabb;
- Callback callback;
- void *userdata;
- const Face *faces;
- const Vector3 *vertices;
- const BVH *bvh;
- FaceShape3DSW *face;
+ Callback callback = nullptr;
+ void *userdata = nullptr;
+ const Face *faces = nullptr;
+ const Vector3 *vertices = nullptr;
+ const BVH *bvh = nullptr;
+ FaceShape3DSW *face = nullptr;
};
struct _SegmentCullParams {
Vector3 from;
Vector3 to;
- const Face *faces;
- const Vector3 *vertices;
- const BVH *bvh;
Vector3 dir;
+ const Face *faces = nullptr;
+ const Vector3 *vertices = nullptr;
+ const BVH *bvh = nullptr;
+ FaceShape3DSW *face = nullptr;
Vector3 result;
Vector3 normal;
- real_t min_d;
- int collisions;
+ real_t min_d = 1e20;
+ int collisions = 0;
};
+ bool backface_collision = false;
+
void _cull_segment(int p_idx, _SegmentCullParams *p_params) const;
void _cull(int p_idx, _CullParams *p_params) const;
void _fill_bvh(_VolumeSW_BVH *p_bvh_tree, BVH *p_bvh_array, int &p_idx);
- void _setup(Vector p_faces);
+ void _setup(const Vector &p_faces, bool p_backface_collision);
public:
Vector get_faces() const;
@@ -424,6 +427,7 @@ public:
struct FaceShape3DSW : public Shape3DSW {
Vector3 normal; //cache
Vector3 vertex[3];
+ bool backface_collision = false;
virtual PhysicsServer3D::ShapeType get_type() const { return PhysicsServer3D::SHAPE_CONCAVE_POLYGON; }
diff --git a/tests/test_physics_3d.cpp b/tests/test_physics_3d.cpp
index 74afbad9d19..bb324d8ffe9 100644
--- a/tests/test_physics_3d.cpp
+++ b/tests/test_physics_3d.cpp
@@ -187,8 +187,10 @@ protected:
RenderingServer *vs = RenderingServer::get_singleton();
PhysicsServer3D *ps = PhysicsServer3D::get_singleton();
RID trimesh_shape = ps->shape_create(PhysicsServer3D::SHAPE_CONCAVE_POLYGON);
- ps->shape_set_data(trimesh_shape, p_faces);
- p_faces = ps->shape_get_data(trimesh_shape); // optimized one
+ Dictionary trimesh_params;
+ trimesh_params["faces"] = p_faces;
+ trimesh_params["backface_collision"] = false;
+ ps->shape_set_data(trimesh_shape, trimesh_params);
Vector normals; // for drawing
for (int i = 0; i < p_faces.size() / 3; i++) {
Plane p(p_faces[i * 3 + 0], p_faces[i * 3 + 1], p_faces[i * 3 + 2]);