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Improve Raycast3D render debug

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Fix Raycast3D node render debug not showing in editor camera preview.

Use dynamic mesh update to change the ray on-the-fly without too much
extra cost when collision debug is enabled.

Fixes #43571
This commit is contained in:
PouleyKetchoupp 2021-01-14 15:52:01 -07:00
parent 8d4698db36
commit 9e660475a7
1 changed files with 23 additions and 14 deletions
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37
scene/3d/ray_cast_3d.cpp
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@ -148,14 +148,14 @@ void RayCast3D::_notification(int p_what) {
case NOTIFICATION_ENTER_TREE: {
if (enabled && !Engine::get_singleton()->is_editor_hint()) {
set_physics_process_internal(true);
if (get_tree()->is_debugging_collisions_hint()) {
_update_debug_shape();
}
} else {
set_physics_process_internal(false);
}
if (get_tree()->is_debugging_collisions_hint()) {
_update_debug_shape();
}
if (Object::cast_to<CollisionObject3D>(get_parent())) {
if (exclude_parent_body) {
exclude.insert(Object::cast_to<CollisionObject3D>(get_parent())->get_rid());
@ -348,23 +348,32 @@ void RayCast3D::_update_debug_shape() {
}
MeshInstance3D *mi = static_cast<MeshInstance3D *>(debug_shape);
if (!mi->get_mesh().is_valid()) {
Ref<ArrayMesh> mesh = mi->get_mesh();
if (!mesh.is_valid()) {
return;
}
Ref<ArrayMesh> mesh = mi->get_mesh();
mesh->clear_surfaces();
Array a;
a.resize(Mesh::ARRAY_MAX);
Vector<Vector3> verts;
verts.push_back(Vector3());
verts.push_back(target_position);
a[Mesh::ARRAY_VERTEX] = verts;
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_LINES, a);
mesh->surface_set_material(0, debug_material);
if (mesh->get_surface_count() == 0) {
Array a;
a.resize(Mesh::ARRAY_MAX);
a[Mesh::ARRAY_VERTEX] = verts;
uint32_t flags = Mesh::ARRAY_FLAG_USE_DYNAMIC_UPDATE;
mesh->add_surface_from_arrays(Mesh::PRIMITIVE_LINES, a, Array(), Dictionary(), flags);
mesh->surface_set_material(0, debug_material);
} else {
Vector<uint8_t> byte_array;
int array_size = sizeof(Vector3) * verts.size();
byte_array.resize(array_size);
copymem(byte_array.ptrw(), verts.ptr(), array_size);
RS::get_singleton()->mesh_surface_update_region(mesh->get_rid(), 0, 0, byte_array);
}
}
void RayCast3D::_clear_debug_shape() {