// Update is called once per frame
void Update()
{
// Things to do here: check which process objects are visible and set the status/position of the corresponding button and object in the database accordingly.
// Check for visibility of each process object
foreach (Transform processObject in moduleProcessObjects)
{
// Helper for determining if part of the process object is visible
bool partOfProcessObjectVisible = false;
// Local variables for saving the position and rotation of the button (for later use, if necessary)
Vector3 buttonPosition = Vector3.zero;
Quaternion buttonRotation = new Quaternion(0f, 0f, 0f, 0f);
// The maximum volume of a part of the process Object
float maxElementVolumeToDate = 0;
// Each process object can be made up of several 3D elements.
// Check if the center of mass of at least one of these elements can be seen. Determine best position of button as we go:
// button is to be placed where the ray to largest (in terms of volume) element penetrates the specified pane
foreach (Transform processObjectElement in processObject)
{
// Temp info
RaycastHit hitInfo;
// The camera is in the origin. Search towards the center of mass of the element.
if (Physics.Raycast(Vector3.zero, processObjectElement.position, out hitInfo, Mathf.Infinity, objectLayer))
{
// Transform to viewportPoint. i.e. the position that the ray went through on a specified plane.
Vector3 rayPanePenetrationPoint = camera.WorldToViewportPoint(processObjectElement.position);
// Have we hit the element that we were looking for AND is that element in the cameras field of view?
if (hitInfo.transform.name == processObjectElement.name && rayPanePenetrationPoint.x >= 0f && rayPanePenetrationPoint.x <= 1f && rayPanePenetrationPoint.y >= 0f && rayPanePenetrationPoint.y <= 1f)
{
// If that is the case: the process object element in visible!
partOfProcessObjectVisible = true;
// Calculate the volume of the process object element and use it to check if this is the dominating visible element of the process object
Vector3 elementSize = processObjectElement.GetComponent <Collider>().bounds.size;
float elementVolume = elementSize.x * elementSize.y * elementSize.z;
if (elementVolume > maxElementVolumeToDate)
{
// If so: save the new volume and preferred position of the button
maxElementVolumeToDate = elementVolume;
buttonPosition = hitInfo.transform.position;
buttonRotation = Quaternion.LookRotation(processObjectElement.position.normalized);
}
}
}
}
// Retrieve button for further operation
// Find and return a list element e whose name matches the given name (there can only be one in this case)
Canvas correspondingProcessObjectButton = moduleButtons.Find(e => e.gameObject.transform.name == processObject.name);
// If the process object is not visible: deactivate the button and set database value
if (!partOfProcessObjectVisible)
{
mainViewManager.DemoDisableObjectButton(); // for demo
// Only disable button if it isn't already disabled
if (correspondingProcessObjectButton.enabled)
{
correspondingProcessObjectButton.enabled = false;
}
// Set database value
//if (database.ModuleDatabase[moduleTransform.name].ContainsKey(processObject.name))
if (database.ModuleDatabase[moduleTransform.name].ContainsKey(processObject.name))
{
//database.ModuleDatabase[moduleTransform.name][processObject.name].CurrentlyVisible = false;
database.ModuleDatabase[moduleTransform.name][processObject.name].CurrentlyVisible = false;
//if (database.ModuleDatabase[moduleTransform.name][processObject.name].ButtonTransfrom == null) {
if (database.ModuleDatabase[moduleTransform.name][processObject.name].ButtonTransfrom == null)
{
//database.ModuleDatabase[moduleTransform.name][processObject.name].ButtonTransfrom = correspondingProcessObjectButton.transform;
database.ModuleDatabase[moduleTransform.name][processObject.name].ButtonTransfrom = correspondingProcessObjectButton.transform;
}
}
}
// If the process object is visible: activate button (if not already activated), set position + set values in database
else
{
mainViewManager.DemoEnableObjectButton(); // for demo
// Set button values
correspondingProcessObjectButton.transform.position = buttonPosition;
correspondingProcessObjectButton.transform.rotation = buttonRotation;
correspondingProcessObjectButton.enabled = true;
// Set database values
//if (database.ModuleDatabase[moduleTransform.name].ContainsKey(processObject.name))
if (database.ModuleDatabase[moduleTransform.name].ContainsKey(processObject.name))
{
//database.ModuleDatabase[moduleTransform.name][processObject.name].CurrentlyVisible = true;
database.ModuleDatabase[moduleTransform.name][processObject.name].CurrentlyVisible = true;
//database.ModuleDatabase[moduleTransform.name][processObject.name].ModellPosition = buttonPosition;
database.ModuleDatabase[moduleTransform.name][processObject.name].ModellPosition = buttonPosition;
//if (database.ModuleDatabase[moduleTransform.name][processObject.name].ButtonTransfrom == null) {
if (database.ModuleDatabase[moduleTransform.name][processObject.name].ButtonTransfrom == null)
{
//database.ModuleDatabase[moduleTransform.name][processObject.name].ButtonTransfrom = correspondingProcessObjectButton.transform;
database.ModuleDatabase[moduleTransform.name][processObject.name].ButtonTransfrom = correspondingProcessObjectButton.transform;
}
}
}
}
}
