private SCNNode LoadRedPandaModel()
{
var sceneURL = NSBundle.MainBundle.GetUrlForResource("max", "scn", "art.scnassets");
var referenceNode = SCNReferenceNode.CreateFromUrl(sceneURL);
referenceNode.Load();
return(referenceNode);
}
private void InitializeVirtualObjectModel()
{
var sceneUrl = NSBundle.MainBundle.GetUrlForResource("sphere", "scn", "art.scnassets/sphere");
if (sceneUrl != null)
{
var referenceNode = SCNReferenceNode.CreateFromUrl(sceneUrl);
if (referenceNode != null)
{
referenceNode.Load();
this.virtualObjectModel = referenceNode;
}
}
if (this.virtualObjectModel == null)
{
throw new Exception("can't load virtual object");
}
}
public static SCNNode LoadSCNAsset(string modelFileName)
{
var assetPaths = new string[]
{
"art.scnassets/models/",
"art.scnassets/blocks/",
"art.scnassets/projectiles/",
"art.scnassets/catapults/",
"art.scnassets/levels/",
"art.scnassets/effects/"
};
var assetExtensions = new string[] { "scn", "scnp" };
SCNReferenceNode nodeRefSearch = null;
foreach (var path in assetPaths)
{
foreach (var ext in assetExtensions)
{
var url = NSBundle.MainBundle.GetUrlForResource(path + modelFileName, ext);
if (url != null)
{
nodeRefSearch = SCNReferenceNode.CreateFromUrl(url);
if (nodeRefSearch != null)
{
break;
}
}
}
if (nodeRefSearch != null)
{
break;
}
}
if (nodeRefSearch != null)
{
// this does the load, default policy is load immediate
nodeRefSearch.Load();
// log an error if geo not nested under a physics shape
var node = nodeRefSearch.ChildNodes.FirstOrDefault();
if (node == null)
{
throw new Exception($"model {modelFileName} has no child nodes");
}
if (nodeRefSearch.ChildNodes.Count() > 1)
{
//os_log(.error, "model %s should have a single root node", modelFileName)
}
// walk down the scenegraph and update all children
node.FixMaterials();
return(node);
}
else
{
throw new Exception($"couldn't load {modelFileName}");
}
}