//Called once before the drawing sequence ==> Computed interpolated values here !
public override void VTSUpdate(double interpolationHd, float interpolationLd, float elapsedTime)
{
//Do interpolation on the value received at update time
Vector3D.Lerp(ref _worldPosition.ValuePrev, ref _worldPosition.Value, interpolationHd, out _worldPosition.ValueInterp);
Quaternion.Slerp(ref _cameraOrientation.ValuePrev, ref _cameraOrientation.Value, interpolationLd, out _cameraOrientation.ValueInterp);
Quaternion.Slerp(ref _cameraYAxisOrientation.ValuePrev, ref _cameraYAxisOrientation.Value, interpolationLd, out _cameraYAxisOrientation.ValueInterp);
ComputeCameraMatrices();
_frustum = new SimpleBoundingFrustum(ref _viewProjection3D);
}
protected virtual void CameraInitialize()
{
_cameraOrientation.Initialize(Quaternion.Identity);
float aspectRatio = Viewport.Width / Viewport.Height;
Matrix.PerspectiveFovLH((float)Math.PI / 3, aspectRatio, NearPlane, FarPlane, out _projection3D);
var matrix = Matrix.Identity;
if (_frustum == null)
{
_frustum = new SimpleBoundingFrustum(ref matrix);
}
}
public override void VTSUpdate(double interpolationHd, float interpolationLd, float elapsedTime)
{
//Do interpolation on the value received at update time
Vector3D.Lerp(ref _worldPosition.ValuePrev, ref _worldPosition.Value, interpolationHd, out _worldPosition.ValueInterp);
Quaternion.Slerp(ref _cameraOrientation.ValuePrev, ref _cameraOrientation.Value, interpolationLd, out _cameraOrientation.ValueInterp);
Quaternion.Slerp(ref _cameraYAxisOrientation.ValuePrev, ref _cameraYAxisOrientation.Value, interpolationLd, out _cameraYAxisOrientation.ValueInterp);
//Console.WriteLine("From Interpolation : " + _worldPosition.ValueInterp);
//The camera is used as a focus Point = Its the 0;0;0 reference point in world space !!
FocusPoint.ValueInterp = _worldPosition.ValueInterp;
FocusPointMatrix.ValueInterp = Matrix.Translation(_worldPosition.ValueInterp.AsVector3() * -1);
ComputeCameraMatrices();
_frustum = new SimpleBoundingFrustum(ref _viewProjection3D);
}
public override void VTSUpdate(double interpolationHd, float interpolationLd, float elapsedTime)
{
if (_zoomingPower != 0.0f)
{
if (_zoomingPower > 0)
{
_offsetDistance -= _zoomingStep * (float)elapsedTime;
_zoomingPower -= _zoomingStep * (float)elapsedTime;
if (_zoomingPower < 0.0f)
{
_zoomingPower = 0.0f;
}
if (_offsetDistance < 0.0f)
{
_offsetDistance = 0.0f;
}
}
else
{
_offsetDistance += _zoomingStep * (float)elapsedTime;
_zoomingPower += _zoomingStep * (float)elapsedTime;
if (_zoomingPower > 0.0f)
{
_zoomingPower = 0.0f;
}
if (_offsetDistance > MaxDistance)
{
_offsetDistance = MaxDistance;
}
}
}
//Do interpolation on the value received at update time
Vector3D.Lerp(ref _worldPosition.ValuePrev, ref _worldPosition.Value, interpolationHd, out _worldPosition.ValueInterp);
Quaternion.Slerp(ref _cameraOrientation.ValuePrev, ref _cameraOrientation.Value, interpolationLd, out _cameraOrientation.ValueInterp);
Quaternion.Slerp(ref _cameraYAxisOrientation.ValuePrev, ref _cameraYAxisOrientation.Value, interpolationLd, out _cameraYAxisOrientation.ValueInterp);
//The camera is used as a focus Point = Its the 0;0;0 reference point in world space !!
FocusPoint.ValueInterp = _worldPosition.ValueInterp;
FocusPointMatrix.ValueInterp = Matrix.Translation(_worldPosition.ValueInterp.AsVector3() * -1);
ComputeCameraMatrices();
_frustum = new SimpleBoundingFrustum(ref _viewProjection3D);
}
