Fix debug line drawing with tiny convex hull mesh colliders

This commit is contained in:
Aaron Franke
2022-11-25 22:29:25 -06:00
parent 8004c7524f
commit 96ec117d19
2 changed files with 8 additions and 9 deletions
@@ -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);
}
}
}