/// <summary>
///
/// </summary>
public override void Prepare()
{
hmd.BeginFrame(0);
OVR.EyeType eye = hmd.EyeRenderOrder[0];
eyeRenderPose[(int)eye] = hmd.GetHmdPosePerEye(eye);
eye = hmd.EyeRenderOrder[1];
eyeRenderPose[(int)eye] = hmd.GetHmdPosePerEye(eye);
var trackingState = hmd.GetTrackingState(oculus.GetTimeInSeconds());
var hPos = trackingState.HeadPose.ThePose.Position;
var hRot = trackingState.HeadPose.ThePose.Orientation;
var left = new OculusRiftSensors.Eye {
Position = new Vector3(eyeRenderPose[0].Position.X, eyeRenderPose[0].Position.Y, eyeRenderPose[0].Position.Z),
Rotation = new Quaternion(eyeRenderPose[0].Orientation.X, eyeRenderPose[0].Orientation.Y, eyeRenderPose[0].Orientation.Z, eyeRenderPose[0].Orientation.W),
};
var right = new OculusRiftSensors.Eye {
Position = new Vector3(eyeRenderPose[1].Position.X, eyeRenderPose[1].Position.Y, eyeRenderPose[1].Position.Z),
Rotation = new Quaternion(eyeRenderPose[1].Orientation.X, eyeRenderPose[1].Orientation.Y, eyeRenderPose[1].Orientation.Z, eyeRenderPose[1].Orientation.W),
};
var leftProj = oculus.Matrix4f_Projection(eyeRenderDesc[0].Fov, 0.1f, 1000.0f, true).ToMatrix();
leftProj.Transpose();
var rightProj = oculus.Matrix4f_Projection(eyeRenderDesc[1].Fov, 0.1f, 1000.0f, true).ToMatrix();
rightProj.Transpose();
left.Projection = leftProj;
right.Projection = rightProj;
OculusRiftSensors.LeftEye = left;
OculusRiftSensors.RightEye = right;
OculusRiftSensors.HeadPosition = new Vector3(hPos.X, hPos.Y, hPos.Z);
OculusRiftSensors.HeadRotation = new Quaternion(hRot.X, hRot.Y, hRot.Z, hRot.W);
//Console.WriteLine("Cam pose: " + trackingState.CameraPose.Position.X + " " + trackingState.CameraPose.Position.Y + " " +trackingState.CameraPose.Position.Z);
//Console.WriteLine("Leveled Cam pose: " + trackingState.LeveledCameraPose.Position.X + " " + trackingState.LeveledCameraPose.Position.Y + " " + trackingState.LeveledCameraPose.Position.Z);
}