public static Vector3 FromFlippedZVector3f(this Plugin.Vector3f v)
{
return(new Vector3()
{
X = v.x, Y = v.y, Z = -v.z
});
}
/// <summary>
/// Returns an array of 3d points (in clockwise order) that define the specified boundary type.
/// All points are returned in local tracking space shared by tracked nodes and accessible through OVRCameraRig's trackingSpace anchor.
/// </summary>
public static Vector3[] GetGeometry(Boundary.BoundaryType boundaryType)
{
var pointsCount = 0;
if (Plugin.GetBoundaryGeometry2((Plugin.BoundaryType)boundaryType, IntPtr.Zero, ref pointsCount))
{
if (pointsCount > 0)
{
var requiredNativeBufferCapacity = pointsCount * cachedVector3fSize;
if (cachedGeometryNativeBuffer.GetCapacity() < requiredNativeBufferCapacity)
{
cachedGeometryNativeBuffer.Reset(requiredNativeBufferCapacity);
}
var requiredManagedBufferCapacity = pointsCount * 3;
if (cachedGeometryManagedBuffer.Length < requiredManagedBufferCapacity)
{
cachedGeometryManagedBuffer = new float[requiredManagedBufferCapacity];
}
if (Plugin.GetBoundaryGeometry2((Plugin.BoundaryType)boundaryType, cachedGeometryNativeBuffer.GetPointer(), ref pointsCount))
{
Marshal.Copy(cachedGeometryNativeBuffer.GetPointer(), cachedGeometryManagedBuffer, 0, requiredManagedBufferCapacity);
var points = new Vector3[pointsCount];
for (var i = 0; i < pointsCount; i++)
{
points[i] = new Plugin.Vector3f()
{
x = cachedGeometryManagedBuffer[3 * i + 0],
y = cachedGeometryManagedBuffer[3 * i + 1],
z = cachedGeometryManagedBuffer[3 * i + 2],
}.FromFlippedZVector3f();
}
return(points);
}
}
}
return(Array.Empty <Vector3>());
}
