/// <summary>
/// Gets a reference to a trackable target of a specified type at a
/// specified index.
/// </summary>
///
/// <param name="targetType">
/// The target type.
/// </param>
/// <param name="index">
/// The index to retrieve the target at.
/// </param>
///
/// <returns>
/// A reference to the trackable target if found. Null otherwise.
/// </returns>
public ZTarget GetTarget(ZTargetType targetType, int index = 0)
{
IntPtr targetNativePtr = IntPtr.Zero;
ZPlugin.LogOnError(ZPlugin.GetTargetByType(
this._context.NativePtr, targetType, index,
out targetNativePtr), "GetTargetByType");
return(this.GetOrCreateCachedResource(targetNativePtr));
}
////////////////////////////////////////////////////////////////////////
// Public Methods
////////////////////////////////////////////////////////////////////////
/// <summary>
/// Gets the number of trackable targets of a specified type that
/// are currently supported.
/// </summary>
///
/// <param name="targetType">
/// The target type.
/// </param>
///
/// <returns>
/// The number of supported trackable targets of a specified type.
/// </returns>
public int GetNumTargets(ZTargetType targetType)
{
int numTargets = 0;
ZPlugin.LogOnError(ZPlugin.GetNumTargetsByType(
this._context.NativePtr, targetType, out numTargets),
"GetNumTargetsByType");
return(numTargets);
}
