void UpdateAnchor(Node node, ARAnchor anchor)
{
return; // waits fix for https://bugzilla.xamarin.com/show_bug.cgi?id=58648
if (anchor is ARPlaneAnchor planeAnchor)
{
Node planeNode = null;
if (node == null)
{
var id = planeAnchor.Identifier.ToString();
node = AnchorsNode.CreateChild(id);
planeNode = node.CreateChild("SubPlane");
var plane = planeNode.CreateComponent <StaticModel>();
planeNode.Position = new Vector3();
plane.Model = CoreAssets.Models.Plane;
plane.Material = ResourceCache.GetMaterial("Materials/PlaneTileMat.xml");
}
else
{
planeNode = node.GetChild("SubPlane");
}
ApplyTransform(node, planeAnchor.Transform);
planeNode.Scale = new Vector3(planeAnchor.Extent.X, 0.1f, planeAnchor.Extent.Z);
planeNode.Position = new Vector3(planeAnchor.Center.X, planeAnchor.Center.Y, -planeAnchor.Center.Z);
Debug.WriteLine($"ARPlaneAnchor Extent({planeAnchor.Extent}), Center({planeAnchor.Center}), Position({planeAnchor.Transform.Row3}");
}
}
internal void DidRemoveAnchors(ARAnchor[] anchors)
{
foreach (var anchor in anchors)
{
AnchorsNode.GetChild(anchor.Identifier.ToString())?.Remove();
}
}
internal void DidUpdateAnchors(ARAnchor[] anchors)
{
foreach (var anchor in anchors)
{
var node = AnchorsNode.GetChild(anchor.Identifier.ToString());
UpdateAnchor(node, anchor);
}
}
void UpdateAnchor(Node node, ARAnchor anchor)
{
if (anchor is ARPlaneAnchor planeAnchor)
{
Material tileMaterial = null;
Node planeNode = null;
if (node == null)
{
var id = planeAnchor.Identifier.ToString();
node = AnchorsNode.CreateChild(id);
planeNode = node.CreateChild("SubPlane");
var plane = planeNode.CreateComponent <StaticModel>();
planeNode.Position = new Vector3();
plane.Model = CoreAssets.Models.Plane;
tileMaterial = new Material();
tileMaterial.SetTexture(TextureUnit.Diffuse, ResourceCache.GetTexture2D("Textures/PlaneTile.png"));
var tech = new Technique();
var pass = tech.CreatePass("alpha");
pass.DepthWrite = false;
pass.BlendMode = BlendMode.Alpha;
pass.PixelShader = "PlaneTile";
pass.VertexShader = "PlaneTile";
tileMaterial.SetTechnique(0, tech);
tileMaterial.SetShaderParameter("MeshColor", Color.White);
tileMaterial.SetShaderParameter("MeshAlpha", 0.8f); // set 0.0f if you want to hide them
tileMaterial.SetShaderParameter("MeshScale", 15.0f);
var planeRb = planeNode.CreateComponent <RigidBody>();
planeRb.Friction = 1.5f;
CollisionShape shape = planeNode.CreateComponent <CollisionShape>();
shape.SetBox(Vector3.One, Vector3.Zero, Quaternion.Identity);
plane.Material = tileMaterial;
}
else
{
planeNode = node.GetChild("SubPlane");
tileMaterial = planeNode.GetComponent <StaticModel>().Material;
}
ApplyTransform(node, planeAnchor.Transform);
planeNode.Scale = new Vector3(planeAnchor.Extent.X, 0.1f, planeAnchor.Extent.Z);
planeNode.Position = new Vector3(planeAnchor.Center.X, planeAnchor.Center.Y, -planeAnchor.Center.Z);
var animation = new ValueAnimation();
animation.SetKeyFrame(0.0f, 0.8f);
animation.SetKeyFrame(0.3f, 0.0f);
tileMaterial.SetShaderParameterAnimation("MeshAlpha", animation, WrapMode.Once, 1.0f);
Debug.WriteLine($"ARPlaneAnchor Extent({planeAnchor.Extent}), Center({planeAnchor.Center}), Position({planeAnchor.Transform.Row3}");
}
}
internal void DidRemoveAnchors(ARAnchor[] anchors)
{
if (!PlaneDetectionEnabled)
{
return;
}
foreach (var anchor in anchors)
{
AnchorsNode.GetChild(anchor.Identifier.ToString())?.Remove();
}
}
internal void DidUpdateAnchors(ARAnchor[] anchors)
{
if (!PlaneDetectionEnabled)
{
return;
}
foreach (var anchor in anchors)
{
var node = AnchorsNode.GetChild(anchor.Identifier.ToString());
UpdateAnchor(node, anchor);
}
}
