Source
void dispose() {
for (var resource in _resourceMap.values.toList(growable: false)) {
if (resource.kind == "BitmapData") {
this.removeBitmapData(resource.name, dispose: true);
} else if (resource.kind == "TextureAtlas") {
this.removeTextureAtlas(resource.name, dispose: true);
} else {
_removeResource(resource.kind, resource.name);
}
}
}