public void LoadScene(string path)
{
NSError error;
this.selectedMaterial = null;
// Load the specified scene. First create a dictionary containing the options we want.
var options = new SCNSceneLoadingOptions
{
// Create normals if absent.
CreateNormalsIfAbsent = true,
// Optimize the rendering by flattening the scene graph when possible. Note that this would prevent you from animating objects independantly.
FlattenScene = true,
};
var scene = SCNScene.FromUrl(new NSUrl($"file://{path}"), options, out error);
if (scene != null)
{
base.Scene = scene;
}
else
{
Console.WriteLine($"Problem loading scene from: {path}\n{error.LocalizedDescription}");
}
}
internal static SCNNode Load3DModel(NSUrl url)
{
var scene = SCNScene.FromUrl(url, new NSDictionary(), out var err);
if (scene == null)
{
Console.WriteLine($"Error: failed to load 3D model from file {url}.");
if (err != null)
{
Console.WriteLine(err.ToString());
}
return(null);
}
var node = new SCNNode();
foreach (var child in scene.RootNode.ChildNodes)
{
node.AddChildNode(child);
}
// If there are no light sources in the model, add some
var lightNodes = node.ChildNodes.Where(child => child.Light != null);
if (lightNodes.Count() == 0)
{
var ambientLight = new SCNLight
{
LightType = SCNLightType.Ambient,
Intensity = 100
};
var ambientLightNode = new SCNNode();
ambientLightNode.Light = ambientLight;
node.AddChildNode(ambientLightNode);
var directionLight = new SCNLight
{
LightType = SCNLightType.Directional,
Intensity = 500
};
var directionalLightNode = new SCNNode();
directionalLightNode.Light = directionLight;
node.AddChildNode(directionalLightNode);
}
return(node);
}
public void Load()
{
// have to do this
[email protected]();
// only load once - can be called from preload on another thread, or regular load
if (this.scene == null)
{
var sceneUrl = NSBundle.MainBundle.GetUrlForResource(this.Path, "scn");
if (sceneUrl == null)
{
throw new Exception($"Level {this.Path} not found");
}
var scene = SCNScene.FromUrl(sceneUrl, (SCNSceneLoadingOptions)null, out NSError error);
if (error != null)
{
throw new Exception($"Could not load level {sceneUrl}: {error.LocalizedDescription}");
}
// start with animations and physics paused until the board is placed
// we don't want any animations or things falling over while ARSceneView
// is driving SceneKit and the view.
scene.Paused = true;
// walk down the scenegraph and update the children
scene.RootNode.FixMaterials();
this.scene = scene;
// this may not be the root, but lookup the identifier
// will clone the tree done from this node
this.levelNodeTemplate = this.scene.RootNode.FindChildNode("_" + Identifier, true);
}
[email protected]();
}
public void LoadScene(string path)
{
NSError error;
Scene = SCNScene.FromUrl(new NSUrl("file://" + path), (SCNSceneLoadingOptions)null, out error);
}