public override void draw(bool isTop)
{
//visualize the point on the plane
if (onPlane && isTop)
{
//ray casting to the pre-defind planes
OpenTK.Vector4 controller_p = UtilOld.getControllerTipPosition(ref mScene, primaryDeviceIndex == mScene.leftControllerIdx) * new OpenTK.Vector4(0, 0, 0, 1);
OpenTK.Vector4 controller_pZ = UtilOld.getControllerTipPosition(ref mScene, primaryDeviceIndex == mScene.leftControllerIdx) * new OpenTK.Vector4(0, 0, -1, 1);
Point3d controller_pRhino = UtilOld.openTkToRhinoPoint(UtilOld.vrToPlatformPoint(ref mScene, new OpenTK.Vector3(controller_p.X, controller_p.Y, controller_p.Z)));
Point3d controller_pZRhin = UtilOld.openTkToRhinoPoint(UtilOld.vrToPlatformPoint(ref mScene, new OpenTK.Vector3(controller_pZ.X, controller_pZ.Y, controller_pZ.Z)));
Rhino.Geometry.Vector3d direction = new Rhino.Geometry.Vector3d(controller_pZRhin.X - controller_pRhino.X, controller_pZRhin.Y - controller_pRhino.Y, controller_pZRhin.Z - controller_pRhino.Z);
Ray3d ray = new Ray3d(controller_pRhino, direction);
Rhino.DocObjects.ObjectEnumeratorSettings settings = new Rhino.DocObjects.ObjectEnumeratorSettings();
settings.ObjectTypeFilter = Rhino.DocObjects.ObjectType.Brep;
//settings.NameFilter = "plane";
float mimD = 1000000f;
hitPlane = false;
if (!lockPlane)
{
foreach (Rhino.DocObjects.RhinoObject rhObj in mScene.rhinoDoc.Objects.GetObjectList(settings))
{
//only drawing on planes for now rhObj.Attributes.Name.Contains("brepMesh") || rhObj.Attributes.Name.Contains("aprint") || rhObj.Attributes.Name.Contains("plane")
if (rhObj.Attributes.Name.Contains("plane"))
{
List <GeometryBase> geometries = new List <GeometryBase>();
geometries.Add(rhObj.Geometry);
//must be a brep or surface, not mesh
Point3d[] rayIntersections = Rhino.Geometry.Intersect.Intersection.RayShoot(ray, geometries, 1);
if (rayIntersections != null)
{
//get the nearest one
OpenTK.Vector3 tmpP = UtilOld.platformToVRPoint(ref mScene, new OpenTK.Vector3((float)rayIntersections[0].X, (float)rayIntersections[0].Y, (float)rayIntersections[0].Z));
float distance = (float)Math.Sqrt(Math.Pow(tmpP.X - controller_p.X, 2) + Math.Pow(tmpP.Y - controller_p.Y, 2) + Math.Pow(tmpP.Z - controller_p.Z, 2));
if (distance < mimD)
{
hitPlane = true;
targetPRhObj = rhObj;
mimD = distance;
projectP = UtilOld.platformToVRPoint(ref mScene, new OpenTK.Vector3((float)rayIntersections[0].X, (float)rayIntersections[0].Y, (float)rayIntersections[0].Z));
}
}
}
}
}
else
{
if (targetPRhObj != null)
{
List <GeometryBase> geometries = new List <GeometryBase>();
geometries.Add(targetPRhObj.Geometry);
//must be a brep or surface, not mesh
Point3d[] rayIntersections = Rhino.Geometry.Intersect.Intersection.RayShoot(ray, geometries, 1);
if (rayIntersections != null)
{
//get the nearest one
OpenTK.Vector3 tmpP = UtilOld.platformToVRPoint(ref mScene, new OpenTK.Vector3((float)rayIntersections[0].X, (float)rayIntersections[0].Y, (float)rayIntersections[0].Z));
float distance = (float)Math.Sqrt(Math.Pow(tmpP.X - controller_p.X, 2) + Math.Pow(tmpP.Y - controller_p.Y, 2) + Math.Pow(tmpP.Z - controller_p.Z, 2));
if (distance < mimD)
{
hitPlane = true;
mimD = distance;
projectP = UtilOld.platformToVRPoint(ref mScene, new OpenTK.Vector3((float)rayIntersections[0].X, (float)rayIntersections[0].Y, (float)rayIntersections[0].Z));
}
}
}
}
if (!hitPlane)
{
targetPRhObj = null;
projectP = new OpenTK.Vector3(100, 100, 100); //make it invisable
}
//visualize the projection points
// inverted rotation first
OpenTK.Matrix4 t = OpenTK.Matrix4.CreateTranslation(UtilOld.transformPoint(mScene.tableGeometry.transform.Inverted(), projectP));
t.Transpose();
drawPoint.transform = t;
}
if (currentState != State.PAINT || !isTop)
{
return;
}
// drawing curve
Vector3 pos = new Vector3();
if (onPlane)
{
pos = projectP;
if (hitPlane)
{
//GeometryStroke handle rotation
((Geometry.GeometryStroke)stroke_g).addPoint(pos);
rhihoPointList.Add(UtilOld.openTkToRhinoPoint(UtilOld.vrToPlatformPoint(ref mScene, pos)));
}
}
else
{
pos = Util.Math.GetTranslationVector3(UtilOld.getControllerTipPosition(ref mScene, primaryDeviceIndex == mScene.leftControllerIdx));
//GeometryStroke handle rotation already
((Geometry.GeometryStroke)stroke_g).addPoint(pos);
rhihoPointList.Add(UtilOld.openTkToRhinoPoint(UtilOld.vrToPlatformPoint(ref mScene, pos)));
}
if (((Geometry.GeometryStroke)stroke_g).mNumPrimitives == 1)
{
SceneNode stroke = new SceneNode("Stroke", ref stroke_g, ref stroke_m);
mScene.tableGeometry.add(ref stroke);
//mScene.staticGeometry.add(ref stroke);
strokeId = stroke.guid;
}
//testing the performance of rhino curve
if (rhihoPointList.Count == 2)
{
rcurve = Curve.CreateInterpolatedCurve(rhihoPointList.ToArray(), 3);
}
else if (rhihoPointList.Count > 2)
{
rcurve.Extend(Rhino.Geometry.CurveEnd.End, Rhino.Geometry.CurveExtensionStyle.Line, rhihoPointList[rhihoPointList.Count - 1]);
}
}