private void OnARFrameUpdated(Frame arFrame)
{
var all = arCore.Session.GetAllTrackables(
Java.Lang.Class.FromType(
typeof(Com.Google.AR.Core.Plane)));
foreach (Com.Google.AR.Core.Plane plane in all)
{
var node = FindNodeByPlaneId(plane.GetHashCode().ToString());
if (node == null)
{
node = new PlaneNode
{
PlaneId = plane.GetHashCode().ToString(),
Name = $"plane{plane.GetHashCode()}"
};
CreateSubPlane(node);
scene.AddChild(node);
}
SetPositionAndRotation(plane, node);
UpdateSubPlane(node, Vector3.Zero);
}
}
public override void ViewDidAppear(bool animated)
{
base.ViewDidAppear(animated);
sceneView.Session.Run(new ARWorldTrackingConfiguration
{
AutoFocusEnabled = true,
LightEstimationEnabled = true,
PlaneDetection = ARPlaneDetection.Horizontal,
WorldAlignment = ARWorldAlignment.Gravity
}, ARSessionRunOptions.ResetTracking | ARSessionRunOptions.RemoveExistingAnchors);
CubeNode cubeNode = new CubeNode(size, UIColor.Red);
cubeNode.Position = new SCNVector3(0, 0, zPosition);
SphereNode sphereNode = new SphereNode(size, UIColor.Yellow);
sphereNode.Position = new SCNVector3(0.3f, 0, zPosition);
TorusNode torusNode = new TorusNode(size / 2, size / 4, UIColor.Blue);
torusNode.Position = new SCNVector3(0.6f, 0, zPosition);
TubeNode tubeNode = new TubeNode(size / 2, size / 2, size * 2, UIColor.Orange);
tubeNode.Position = new SCNVector3(0.9f, 0, zPosition);
ConeNode coneNode = new ConeNode(0.0001f, size / 2, size * 2, UIColor.Green);
coneNode.Position = new SCNVector3(0, -0.3f, zPosition);
CylinderNode cylinderNode = new CylinderNode(size, size * 2, UIColor.Cyan);
cylinderNode.Position = new SCNVector3(0.3f, -0.3f, zPosition);
PyramidNode pyramidNode = new PyramidNode(size * 2, size * 2, size * 2, UIColor.Brown);
pyramidNode.Position = new SCNVector3(0.6f, -0.3f, zPosition);
PlaneNode planeNode = new PlaneNode(size, size, UIColor.Purple);
planeNode.Position = new SCNVector3(0.9f, -0.3f, zPosition);
TextNode textNode = new TextNode("Hello from ARKit", 0.01f, UIColor.Orange);
textNode.Position = new SCNVector3(0, -0.85f, zPosition);
sceneView.Scene.RootNode.AddChildNode(cubeNode);
sceneView.Scene.RootNode.AddChildNode(sphereNode);
sceneView.Scene.RootNode.AddChildNode(torusNode);
sceneView.Scene.RootNode.AddChildNode(tubeNode);
sceneView.Scene.RootNode.AddChildNode(coneNode);
sceneView.Scene.RootNode.AddChildNode(cylinderNode);
sceneView.Scene.RootNode.AddChildNode(pyramidNode);
sceneView.Scene.RootNode.AddChildNode(planeNode);
sceneView.Scene.RootNode.AddChildNode(textNode);
}
public override void DidAddNode(ISCNSceneRenderer renderer, SCNNode node, ARAnchor anchor)
{
if (anchor is ARPlaneAnchor planeAnchor)
{
var planeNode = new PlaneNode(planeAnchor);
node.AddChildNode(planeNode);
this.planeNodes.Add(anchor.Identifier, planeNode);
}
}
private void SetPositionAndRotation(ARPlaneAnchor anchor, PlaneNode node)
{
arkitComponent.ApplyOpenTkTransform(node, anchor.Transform, true);
node.ExtentX = anchor.Extent.X;
node.ExtentZ = anchor.Extent.Z;
var position = new Vector3(anchor.Center.X, anchor.Center.Y, -anchor.Center.Z);
UpdateSubPlane(node, position);
}
private void SetPositionAndRotation(Com.Google.AR.Core.Plane plane, PlaneNode node)
{
node.ExtentX = plane.ExtentX;
node.ExtentZ = plane.ExtentZ;
node.Rotation = new Quaternion(plane.CenterPose.Qx(),
plane.CenterPose.Qy(),
plane.CenterPose.Qz(),
-plane.CenterPose.Qw());
node.Position = new Vector3(plane.CenterPose.Tx(),
plane.CenterPose.Ty(),
-plane.CenterPose.Tz());
}
public override void DidAddNode(ISCNSceneRenderer renderer, SCNNode node, ARAnchor anchor)
{
if (anchor is ARImageAnchor imageAnchor)
{
ARReferenceImage image = imageAnchor.ReferenceImage;
nfloat width = image.PhysicalSize.Width;
nfloat height = image.PhysicalSize.Height;
PlaneNode planeNode = new PlaneNode(width, height, new SCNVector3(0, 0, 0), UIColor.Red);
float angle = (float)(-Math.PI / 2);
planeNode.EulerAngles = new SCNVector3(angle, 0, 0);
node.AddChildNode(planeNode);
}
}
private void UpdateOrAddPlaneNode(ARPlaneAnchor anchor)
{
var node = FindNodeByPlaneId(anchor.Identifier.ToString());
if (node == null)
{
node = new PlaneNode()
{
PlaneId = anchor.Identifier.ToString(),
Name = $"plane{anchor.GetHashCode()}"
};
CreateSubPlane(node);
scene.AddChild(node);
}
SetPositionAndRotation(anchor, node);
}
private SceneNodeBase GetRootNode()
{
var group = new GroupNode();
var sphere = new Sphere(1, 40, 80);
var filename = "sphere.obj_";
sphere.DumpObjFile(filename, "sphere");
var parser = new ObjVNFParser(false);
ObjVNFResult result = parser.Parse(filename);
if (result.Error != null)
{
Console.WriteLine("Error: {0}", result.Error);
}
else
{
ObjVNFMesh mesh = result.Mesh;
var model = new ObjVNF(mesh);
model.DumpObjFile("vnf" + filename, "sphere");
var sphereNode = ObjVNFNode.Create(mesh);
(new FormPropertyGrid(sphereNode)).Show();
group.Children.Add(sphereNode);
{
var planeNode = PlaneNode.Create();
planeNode.Color = new vec4(1, 1, 1, 1);
planeNode.WorldPosition = new vec3(0, 1, 0);
planeNode.Scale = new vec3(1, 1, 1) * 0.5f;
sphereNode.Children.Add(planeNode);
}
{
var axisNode = AxisNode.Create();
axisNode.WorldPosition = new vec3(0, 1, 0);
axisNode.Scale = new vec3(1, 1, 1) * 0.5f;
sphereNode.Children.Add(axisNode);
}
}
return(group);
}
