diff options
Diffstat (limited to 'modules/csg')
| -rw-r--r-- | modules/csg/csg.cpp | 24 | ||||
| -rw-r--r-- | modules/csg/csg_shape.cpp | 19 | ||||
| -rw-r--r-- | modules/csg/doc_classes/CSGShape3D.xml | 4 |
3 files changed, 29 insertions, 18 deletions
diff --git a/modules/csg/csg.cpp b/modules/csg/csg.cpp index 6c0a3a4ca3..47982d519a 100644 --- a/modules/csg/csg.cpp +++ b/modules/csg/csg.cpp @@ -154,6 +154,14 @@ inline bool is_point_in_triangle(const Vector3 &p_point, const Vector3 p_vertice return true; } +inline static bool is_triangle_degenerate(const Vector2 p_vertices[3], real_t p_vertex_snap2) { + real_t det = p_vertices[0].x * p_vertices[1].y - p_vertices[0].x * p_vertices[2].y + + p_vertices[0].y * p_vertices[2].x - p_vertices[0].y * p_vertices[1].x + + p_vertices[1].x * p_vertices[2].y - p_vertices[1].y * p_vertices[2].x; + + return det < p_vertex_snap2; +} + inline static bool are_segements_parallel(const Vector2 p_segment1_points[2], const Vector2 p_segment2_points[2], float p_vertex_snap2) { Vector2 segment1 = p_segment1_points[1] - p_segment1_points[0]; Vector2 segment2 = p_segment2_points[1] - p_segment2_points[0]; @@ -583,8 +591,8 @@ bool CSGBrushOperation::MeshMerge::_bvh_inside(FaceBVH *facebvhptr, int p_max_de // Check if faces are co-planar. if ((current_normal - face_normal).length_squared() < CMP_EPSILON2 && is_point_in_triangle(face_center, current_points)) { - // Only add an intersection if checking a B face. - if (face.from_b) { + // Only add an intersection if not a B face. + if (!face.from_b) { _add_distance(intersectionsA, intersectionsB, current_face.from_b, 0); } } else if (ray_intersects_triangle(face_center, face_normal, current_points, CMP_EPSILON, intersection_point)) { @@ -1117,6 +1125,11 @@ int CSGBrushOperation::Build2DFaces::_insert_point(const Vector2 &p_point) { face_vertices[2].uv }; + // Skip degenerate triangles. + if (is_triangle_degenerate(points, vertex_snap2)) { + continue; + } + // Check if point is existing face vertex. for (int i = 0; i < 3; ++i) { if ((p_point - face_vertices[i].point).length_squared() < vertex_snap2) { @@ -1198,11 +1211,8 @@ int CSGBrushOperation::Build2DFaces::_insert_point(const Vector2 &p_point) { // The new vertex is the last vertex. for (int i = 0; i < 3; ++i) { // Don't create degenerate triangles. - Vector2 edge[2] = { points[i], points[(i + 1) % 3] }; - Vector2 new_edge1[2] = { vertices[new_vertex_idx].point, points[i] }; - Vector2 new_edge2[2] = { vertices[new_vertex_idx].point, points[(i + 1) % 3] }; - if (are_segements_parallel(edge, new_edge1, vertex_snap2) && - are_segements_parallel(edge, new_edge2, vertex_snap2)) { + Vector2 new_points[3] = { points[i], points[(i + 1) % 3], vertices[new_vertex_idx].point }; + if (is_triangle_degenerate(new_points, vertex_snap2)) { continue; } diff --git a/modules/csg/csg_shape.cpp b/modules/csg/csg_shape.cpp index cea006364f..8f2ebc7232 100644 --- a/modules/csg/csg_shape.cpp +++ b/modules/csg/csg_shape.cpp @@ -132,18 +132,13 @@ void CSGShape3D::_make_dirty() { return; } - if (dirty) { - return; - } - - dirty = true; - if (parent) { parent->_make_dirty(); - } else { - //only parent will do + } else if (!dirty) { call_deferred("_update_shape"); } + + dirty = true; } CSGBrush *CSGShape3D::_get_brush() { @@ -511,6 +506,12 @@ void CSGShape3D::_notification(int p_what) { _make_dirty(); } + if (p_what == NOTIFICATION_TRANSFORM_CHANGED) { + if (use_collision && is_root_shape() && root_collision_instance.is_valid()) { + PhysicsServer3D::get_singleton()->body_set_state(root_collision_instance, PhysicsServer3D::BODY_STATE_TRANSFORM, get_global_transform()); + } + } + if (p_what == NOTIFICATION_LOCAL_TRANSFORM_CHANGED) { if (parent) { parent->_make_dirty(); @@ -646,7 +647,7 @@ CSGShape3D::~CSGShape3D() { ////////////////////////////////// CSGBrush *CSGCombiner3D::_build_brush() { - return nullptr; //does not build anything + return memnew(CSGBrush); //does not build anything } CSGCombiner3D::CSGCombiner3D() { diff --git a/modules/csg/doc_classes/CSGShape3D.xml b/modules/csg/doc_classes/CSGShape3D.xml index 43ce988c30..dac556c7f1 100644 --- a/modules/csg/doc_classes/CSGShape3D.xml +++ b/modules/csg/doc_classes/CSGShape3D.xml @@ -71,10 +71,10 @@ <member name="collision_layer" type="int" setter="set_collision_layer" getter="get_collision_layer" default="1"> The physics layers this area is in. Collidable objects can exist in any of 32 different layers. These layers work like a tagging system, and are not visual. A collidable can use these layers to select with which objects it can collide, using the collision_mask property. - A contact is detected if object A is in any of the layers that object B scans, or object B is in any layer scanned by object A. + A contact is detected if object A is in any of the layers that object B scans, or object B is in any layer scanned by object A. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information. </member> <member name="collision_mask" type="int" setter="set_collision_mask" getter="get_collision_mask" default="1"> - The physics layers this CSG shape scans for collisions. + The physics layers this CSG shape scans for collisions. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information. </member> <member name="operation" type="int" setter="set_operation" getter="get_operation" enum="CSGShape3D.Operation" default="0"> The operation that is performed on this shape. This is ignored for the first CSG child node as the operation is between this node and the previous child of this nodes parent. |