/// <summary>
///
/// </summary>
public void InstantiateObjectOnPlaceable()
{
const int QueryResultMaxCount = 512;
SpatialUnderstandingDllShapes.ShapeResult[] resultsShape = new SpatialUnderstandingDllShapes.ShapeResult[QueryResultMaxCount];
// Pin managed object memory going to native code
IntPtr resultsShapePtr = SpatialUnderstanding.Instance.UnderstandingDLL.PinObject(resultsShape);
// Find the half dimensions of "Sittable" objects via the DLL
int shapeCount = SpatialUnderstandingDllShapes.QueryShape_FindShapeHalfDims("Placeable", resultsShape.Length, resultsShapePtr);
for (int i = 0; i < shapeCount; i++)
{
Instantiate(PlaceablePrefab, resultsShape[i].position, Quaternion.identity);
}
}
private void InstantiateObjectOnTable()
{
const int MaxResultCount = 512;
var shapeResults = new SpatialUnderstandingDllShapes.ShapeResult[MaxResultCount];
var resultsShapePtr = SpatialUnderstanding.Instance.UnderstandingDLL.PinObject(shapeResults);
var locationCount = SpatialUnderstandingDllShapes.QueryShape_FindPositionsOnShape("ElectricBox", 0.1f, shapeResults.Length, resultsShapePtr);
if (locationCount > 0)
{
Instantiate(_object,
shapeResults[0].position,
Quaternion.LookRotation(shapeResults[0].position.normalized, Vector3.up));
// For some reason the halfDims of the shape result are always 0,0,0 so we can't scale
// to the size of the surface. This may be a bug in the HoloToolkit?
SpatialText.text = "Placed Hologram";
}
else
{
SpatialText.text = "Hologram not placed";
}
}
//if any problems arises (i.e. fps spikes when placing), this function will need to be split in multiple stages.
//Then, rest must be given to Unity between the stages. I.e. call the stages one at a time in the Update() part. Don't call multiple stages in the same Update() call.
//placePlat handles the placement for the Platform type of placement.
//it relies on the SpatialUnderstandingDllShapes API. To add other Shape Definitions, see the ShapeDefinition script from HoloToolkit-Example/SpatialUnderstanding scripts
private void placePlat()
{
List <Vector3>[] lPositions = new List <Vector3> [mPlatformLeftToPlace.Count];
SpatialUnderstandingDllShapes.ShapeResult[] lPlatPos = new SpatialUnderstandingDllShapes.ShapeResult[mMaxPlatLoc];
System.IntPtr lPlatPtr = SpatialUnderstanding.Instance.UnderstandingDLL.PinObject(lPlatPos);
for (int i = 0; i < mPlatformLeftToPlace.Count; i++) //prepare to find all positions for each clue
{
lPositions[i] = new List <Vector3>();
}
for (int lIt = 0; lIt < mPlatformLeftToPlace.Count; lIt++) //here we find all Platform positions for each clue
{
int i = mPlatformLeftToPlace[lIt];
Collider lColl = mToPlace[i].GetComponent <Collider>();
float lMax = Mathf.Max(lColl.bounds.extents.x, Mathf.Max(lColl.bounds.extents.y, lColl.bounds.extents.z));
int lPlatCount = SpatialUnderstandingDllShapes.QueryShape_FindPositionsOnShape(
"Platform", 1.1f * lMax,
lPlatPos.Length, lPlatPtr);
for (int lPlatIt = 0; lPlatIt < lPlatCount; lPlatIt++)
{
lPositions[lIt].Add(lPlatPos[lPlatIt].position);
}
if (lPositions[lIt].Count == 0) //if there is no position for an object, just exit. The placement failed.
{
lIt = mPlatformLeftToPlace.Count + 2;
}
}
int lItObj;
//here we choose a random position from all our positions for each clue.
//since there might be multiple clues of the same size on platforms, those will have exactly the same positions.
//So it would be faster to try to select a position at random than collide for a while on the first positions
for (lItObj = 0; lItObj < mPlatformLeftToPlace.Count; lItObj++)
{
int iObj = mPlatformLeftToPlace[lItObj];
int lItPos = 2;
bool lPlaced = false;
while ((lPositions[lItObj].Count != 0) && (!lPlaced)) //choose positions at random until we run out of positions
{
lItPos = Random.Range(0, lPositions[lItObj].Count - 1);
//put object correctly on position. Without placing it upper than the position returned, we would have the center of the object at the position on the Platform
//which essentially means the lower half will go through the Platform
mToPlace[iObj].transform.localPosition = lPositions[lItObj][lItPos] + mToPlace[iObj].GetComponent <Collider>().bounds.extents.y *Vector3.up;
if (canPlace(iObj)) //can place the object at this position
{
mPlaced.Add(iObj);
lPlaced = true;
}
else
{
lPositions[lItObj].RemoveAt(lItPos); //position unusable
}
}
if (!lPlaced) //couldn't place the object, so just exit this for loop. The placement failed.
{
lItObj = mPlatformLeftToPlace.Count + 2;
mToPlace[iObj].transform.localPosition = new Vector3(0, -1000, 0);
}
}
if (lItObj == mPlatformLeftToPlace.Count) //successfully placed all the objects
{
mPlacePComplete = true;
}
else //could not place the objects
{
mPlacePComplete = false;
mSuccessful = false;
mComplete = true;
}
}
