/// <summary>
/// Get the most recent light estimate.
/// </summary>
/// <returns></returns>
public LightEstimate GetLatestLightEstimate()
{
// Maintain frame consistency.
if (Time.frameCount == m_latestLightEstimateFrame)
{
return(m_latestLightEstimate);
}
m_latestLightEstimateFrame = Time.frameCount;
UnityTango.NativeImage nativeImage = new UnityTango.NativeImage();
if (!UnityTango.Device.TryAcquireLatestImageBuffer(ref nativeImage))
{
Debug.LogError("Unable to acquire image buffer.");
return(m_latestLightEstimate);
}
// The Y plane is always the first one.
var yPlaneInfo = nativeImage.planeInfos[0];
IntPtr yPlaneStart = new IntPtr(nativeImage.planeData.ToInt64() + yPlaneInfo.offset);
float intensity;
ApiServiceErrorStatus status = TangoClientApi.TangoService_getPixelIntensity(
yPlaneStart,
(int)nativeImage.width,
(int)nativeImage.height,
nativeImage.planeInfos[0].rowStride,
out intensity);
if (status != ApiServiceErrorStatus.Success)
{
Debug.LogErrorFormat("Call to getPixelIntensity failed: {0}.", status);
return(m_latestLightEstimate);
}
m_latestLightEstimate = new LightEstimate(intensity);
UnityTango.Device.ReleaseImageBuffer(nativeImage);
return(m_latestLightEstimate);
}
public void LightEstimateMessageHandler(MessageEventArgs message)
{
m_LightEstimate = message.data.Deserialize <SerializableLightEstimate>();
}
