void Ex6ContextMenu_Click(object sender, EventArgs e)
{
// Get the click information from the Tag property as a VRRaycastResult type.
VRRayCastResult res = SDKViewer.UI.ContextMenu3D.Tag as VRRayCastResult;
// The Point2D contains the pixel position in 3D window space.
m_RichTextBox.Text = "Clicked on window position = " + res.Point2D.ToString();
// The position contains the 3D coordinate where the user clicked on the element.
m_RichTextBox.Text += "\r\nClicked on 3D position = " + res.Position.ToString();
// The origin of the ray, defines the 3D position in world space, corresponding with the Point2D coordinate projected on to camera screen.
m_RichTextBox.Text += "\r\nThe click creates a line from position = \r\n\t" + res.Ray.Origin.ToString();
// The direction of the ray. Could also be calculated from the position and ray.origin.
m_RichTextBox.Text += "\r\n\twith a direction = \r\n\t\t" + res.Ray.Direction.ToString();
// There is an indirect relationship between the 3D element and the CAD/FRT elements.
// So this code finds back all Branch objects this 3D element belongs to.
m_RichTextBox.Text += "\r\nThe branches the 3d element belongs to = ";
if (res.Branches != null)
{
foreach (IVRBranch branch in res.Branches)
{
m_RichTextBox.Text += "\r\n\t" + branch.Name;
}
}
else
{
m_RichTextBox.Text += "\r\n\t This element is not part of any branch !!";
}
}
void m_ItemCreate_Click(object sender, EventArgs e)
{
// Get the click information from the Tag property as a VRRaycastResult type.
VRRayCastResult res = SDKViewer.UI.ContextMenu3D.Tag as VRRayCastResult;
// Create the label at the location the user clicked, and set the text of the label to "New Label" and a next line with the position.
IVRLabel label = m_LabelGroup.Add("New Label\n" + res.Position.ToString("f2"), res.Position);
// Add it to the dictionary, for later reference (see m_ItemDestroy_Click)
m_Labels.Add(label.ID, label);
// Dump in the window text area the ID of the label created.
m_RichTextBox.Text += "Created a new Label of ID : " + label.ID.ToString() + "\r\n";
}
IVRLabelGroup m_LabelGroup = null; // The label group owned by this plugin.
void m_ItemDestroy_Click(object sender, EventArgs e)
{
// Get the click information from the Tag property as a VRRaycastResult type.
VRRayCastResult res = SDKViewer.UI.ContextMenu3D.Tag as VRRayCastResult;
IVRLabel label = null;
// Try to get the label instance matching the ID. If not found, probably user clicked on a walkinside redline, or a label from other plugin.
if (m_Labels.TryGetValue(res.TagID, out label))
{
// Remove the tag from the dictionary.
m_Labels.Remove(res.TagID);
// Remove the label from the 3D engine.
m_LabelGroup.Remove(label);
label = null;
// Dump in the window text area the ID of the label destroyed.
m_RichTextBox.Text += "Destroyed Label with ID : " + res.TagID.ToString() + "\r\n";
}
else
{
// Dump in the window text area the ID of the label clicked but not owned by this plugin.
m_RichTextBox.Text += "Destroyed Label with ID : " + res.TagID.ToString() + "\r\n";
}
}