/// <summary>
/// Updates the target game object transform.
/// SLAM Reports its transfrom aligned with gravity on (0,-9.8,0)
/// At the origin with the initial rotation at Identity
/// </summary>
public void UpdateTargetGOTransform(bool isScaleEstimated, bool getPoseFromCompositor)
{
if (getPoseFromCompositor)
{
// We need to call begin frame from SlamApi when we show the SLAM UI. This is to fix jitter
// in the SLAM UI when we call begin frame from MetaCompositor since the UI works of an old pose
// It is important to note that this adds a large latency since we call begin frame way before than it should be
if (_compositor == null)
{
_compositor = UnityEngine.GameObject.FindObjectOfType <MetaCompositor>();
}
if (_compositor != null && (!(_compositor.Enable3DWarp || _compositor.Enable2DWarp) || MetaUIContent.IsUIPresent))
{
CompositorInterop.BeginFrame();
}
// Update pose for behaviors with rendering pose from compositor
CompositorInterop.GetRenderPoseToWorld(_trans, _quat);
}
if (TargetGO != null)
{
TargetGO.transform.localRotation = TypeUtilities.QuaternionFromDouble(_quat);
TargetGO.transform.localPosition
= new Vector3(
(float)_trans[0],
(float)_trans[1],
(float)_trans[2]
);
}
}
public static void GetWebcamViewMatrix(ref Matrix4x4 viewMatrix)
{
IntPtr viewMatrixPtr = IntPtr.Zero;
CompositorInterop.getWebcamViewMatrix(ref viewMatrixPtr);
MarshalAndCopy(viewMatrixPtr, ref viewMatrix);
}
public static void GetProjectionMatrix(int eye, ref Matrix4x4 projectionMatrix)
{
IntPtr projectionMatrixPtr = IntPtr.Zero;
CompositorInterop.getProjectionMatrix(eye, ref projectionMatrixPtr);
MarshalAndCopy(projectionMatrixPtr, ref projectionMatrix);
}
/// <summary>
/// Initialize the Compositor
/// </summary>
private void Awake()
{
CompositorInterop.InitCompositor(_enableAsynchronousRendering);
_warpDisabledForUI = _enable3DWarp || _enable2DWarp;
if (!_contentCamera)
{
Debug.LogError("Unable to find ContentCamera; please reimport MetaCameraRig prefab.");
}
}
