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Merge pull request #69197 from aaronfranke/fix-tiny-convex

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Fix debug line drawing with tiny convex hull mesh colliders
This commit is contained in:
Thaddeus Crews 2024-10-31 20:14:37 -05:00
commit 7982030b25
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2 changed files with 8 additions and 9 deletions
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15
editor/plugins/gizmos/collision_shape_3d_gizmo_plugin.cpp
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@ -538,20 +538,19 @@ void CollisionShape3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
if (Object::cast_to<ConvexPolygonShape3D>(*s)) {
Vector<Vector3> points = Object::cast_to<ConvexPolygonShape3D>(*s)->get_points();
if (points.size() > 3) {
if (points.size() > 1) { // Need at least 2 points for a line.
Vector<Vector3> varr = Variant(points);
Geometry3D::MeshData md;
Error err = ConvexHullComputer::convex_hull(varr, md);
if (err == OK) {
Vector<Vector3> points2;
points2.resize(md.edges.size() * 2);
Vector<Vector3> lines;
lines.resize(md.edges.size() * 2);
for (uint32_t i = 0; i < md.edges.size(); i++) {
points2.write[i * 2 + 0] = md.vertices[md.edges[i].vertex_a];
points2.write[i * 2 + 1] = md.vertices[md.edges[i].vertex_b];
lines.write[i * 2 + 0] = md.vertices[md.edges[i].vertex_a];
lines.write[i * 2 + 1] = md.vertices[md.edges[i].vertex_b];
}
p_gizmo->add_lines(points2, material);
p_gizmo->add_collision_segments(points2);
p_gizmo->add_lines(lines, material);
p_gizmo->add_collision_segments(lines);
}
}
}

2
scene/resources/3d/convex_polygon_shape_3d.cpp
View File

@ -35,7 +35,7 @@
Vector<Vector3> ConvexPolygonShape3D::get_debug_mesh_lines() const {
Vector<Vector3> poly_points = get_points();
if (poly_points.size() > 3) {
if (poly_points.size() > 1) { // Need at least 2 points for a line.
Vector<Vector3> varr = Variant(poly_points);
Geometry3D::MeshData md;
Error err = ConvexHullComputer::convex_hull(varr, md);