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feat: add getAncestor method

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This commit is contained in:
Nick Fisher
2024-09-08 13:52:04 +08:00
parent b71ba411fd
commit ff304ad3d4
4 changed files with 25 additions and 2 deletions
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21
thermion_dart/native/src/SceneManager.cpp
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@@ -1542,6 +1542,25 @@ namespace thermion_filament
return Entity::smuggle(parent);
}
EntityId SceneManager::getAncestor(EntityId childEntityId)
{
auto &tm = _engine->getTransformManager();
const auto child = Entity::import(childEntityId);
auto transformInstance = tm.getInstance(child);
Entity parent;
while(true) {
auto newParent = tm.getParent(transformInstance);
if(newParent.isNull()) {
break;
}
parent = newParent;
transformInstance = tm.getInstance(parent);
}
return Entity::smuggle(parent);
}
void SceneManager::setParent(EntityId childEntityId, EntityId parentEntityId, bool preserveScaling)
{
auto &tm = _engine->getTransformManager();
@@ -1561,8 +1580,6 @@ namespace thermion_filament
return;
}
Log("Parenting child entity %d to new parent entity %d", childEntityId, parentEntityId);
if (preserveScaling)
{
auto parentTransform = tm.getWorldTransform(parentInstance);