/// <inheritdoc/>
protected override bool OnAttached()
{
if (!base.OnAttached() ||
this.TouchCursorEntity == null)
{
return(false);
}
this.touchCursor = this.TouchCursorEntity.FindComponentInChildren <CursorTouch>();
this.xrJoint = this.TouchCursorEntity.FindComponent <TrackXRJoint>();
this.cursorCollisionCategoryMask = this.TouchCursorEntity.FindComponent <StaticBody3D>().MaskBits;
this.UpdateOrder = this.touchCursor.UpdateOrder + 0.1f; // Ensure this is executed always after the main Cursor
this.cam = this.Managers.RenderManager.ActiveCamera3D;
this.handrayTexture = this.rayLineMesh.DiffuseTexture;
return(true);
}
/// <summary>
/// Check if the join is valid (hololens data can be considered valid).
/// </summary>
/// <param name="joint">The joint to check.</param>
/// <returns>Valid or not.</returns>
public static bool IsJointValid(TrackXRJoint joint)
{
return(joint != null && joint.TrackedDevice != null && joint.TrackedDevice.IsConnected && joint.TrackedDevice.PoseIsValid);
}
private static Entity CreateCursor(Scene scene, Material releasedMaterial, Material pressedMaterial, XRHandedness handedness, Texture handRayTexture, SamplerState handRaySampler)
{
Entity cursor = new Entity("Cursor_" + handedness)
.AddComponent(new Transform3D())
.AddComponent(new MaterialComponent())
.AddComponent(new PlaneMesh()
{
TwoSides = true, Normal = Vector3.Forward, Width = 0.01f, Height = 0.01f
})
.AddComponent(new MeshRenderer())
.AddComponent(new SphereCollider3D())
.AddComponent(new StaticBody3D()
{
CollisionCategories = CollisionCategory3D.Cat2, IsSensor = true, MaskBits = CollisionCategory3D.Cat1
})
.AddComponent(new Cursor()
{
PressedMaterial = pressedMaterial, ReleasedMaterial = releasedMaterial, UpdateOrder = 0.3f
})
.AddComponent(new ProximityLight())
;
TrackXRJoint trackXRJoint = null;
var xrPlatform = Application.Current.Container.Resolve <XRPlatform>();
if (xrPlatform != null)
{
trackXRJoint = new TrackXRJoint()
{
Handedness = handedness,
SelectionStrategy = TrackXRDevice.SelectionDeviceStrategy.ByHandedness,
JointKind = XRHandJointKind.IndexTip,
TrackingLostMode = TrackXRDevice.XRTrackingLostMode.KeepLastPose,
};
// HoloLens 2
cursor.AddComponent(trackXRJoint)
.AddComponent(new HoloLensControlBehavior())
;
}
else
{
// Windows
cursor.AddComponent(new MouseControlBehavior()
{
key = handedness == XRHandedness.RightHand ? Keys.LeftShift : Keys.Space
});
}
scene.Managers.EntityManager.Add(cursor);
var lineComp = new LineBezierMesh()
{
IsCameraAligned = true,
LinePoints = new List <BezierPointInfo>()
{
new BezierPointInfo()
{
Position = Vector3.Zero, Thickness = 0.003f, Color = Color.White
},
new BezierPointInfo()
{
Position = -Vector3.UnitZ, Thickness = 0.003f, Color = Color.White
},
},
Resolution = 10,
DiffuseTexture = handRayTexture,
DiffuseSampler = handRaySampler,
TextureTiling = new Vector2(10.0f, 1.0f),
};
Entity bezier = new Entity()
.AddComponent(new Transform3D())
.AddComponent(lineComp)
.AddComponent(new LineMeshRenderer3D())
;
scene.Managers.EntityManager.Add(bezier);
Entity cursorDist = new Entity("CursorDist_" + handedness)
.AddComponent(new Transform3D())
.AddComponent(new MaterialComponent())
.AddComponent(new PlaneMesh()
{
Normal = Vector3.Forward, Width = 0.01f, Height = 0.01f
})
.AddComponent(new MeshRenderer())
.AddComponent(new SphereCollider3D())
.AddComponent(new StaticBody3D()
{
CollisionCategories = CollisionCategory3D.Cat2, IsSensor = true, MaskBits = CollisionCategory3D.Cat1
})
.AddComponent(new Cursor()
{
PressedMaterial = pressedMaterial, ReleasedMaterial = releasedMaterial, UpdateOrder = 0.3f
})
.AddComponent(new CursorRay()
{
MainCursor = cursor.FindComponent <Cursor>(), LineMesh = lineComp, Joint = trackXRJoint, collisionMask = CollisionCategory3D.Cat1
})
.AddComponent(new Billboard())
.AddComponent(new HoverLight())
;
scene.Managers.EntityManager.Add(cursorDist);
return(cursor);
}
