private void StartAnimation(bool isActionImmediate)
{
// Camera can be animated with using StartRotation method.
// StartRotation take two parameters - headingChangeInSecond and attitudeChangeInSecond
// Advantage of using StartRotation method over using Storyboard animation of Heading or Attitude properties is that
// StartRotation does not lock the Heading and Attitude properties.
// The StartRotation also works very good with CameraControlPanel and MouseCameraController - while the camera is rotating it is possible
// to manually change camera with the mouse or with the buttons on CameraControlPanel
double headingChangeInSecond = HeadingChangeInSecondSlider.Value;
double attitudeChangeInSecond = AttitudeChangeInSecondSlider.Value;
if (isActionImmediate)
{
Camera1.StartRotation(headingChangeInSecond, attitudeChangeInSecond); // No easing
}
else
{
double accelerationSpeed = AccelerationSpeedSlider.Value;
SphericalCamera.EasingFunctionDelegate easingFunction = GetEaseInFunction(); // NOTE that ease in and ease out are different functions
Camera1.StartRotation(headingChangeInSecond, attitudeChangeInSecond, accelerationSpeed, easingFunction);
}
StartStopSlowlyButton.Content = "STOP rotation slowly";
StartStopNowButton.Content = "STOP rotation now";
AccelerationSpeedTextBlock.Text = "decelerationSpeed (0 = disabled):";
_isRotationStarted = true;
}
private void StopAnimation(bool isActionImmediate)
{
if (isActionImmediate)
{
Camera1.StopRotation(); // No easing
}
else
{
double accelerationSpeed = AccelerationSpeedSlider.Value;
SphericalCamera.EasingFunctionDelegate easingFunction = GetEaseOutFunction(); // NOTE that ease in and ease out are different functions
Camera1.StopRotation(accelerationSpeed, easingFunction);
}
StartStopSlowlyButton.Content = "START rotation slowly";
StartStopNowButton.Content = "START rotation now";
AccelerationSpeedTextBlock.Text = "accelerationSpeed (0 = disabled):";
_isRotationStarted = false;
}