/*
* Reset the zoom to the starting field of view.
*/
public void ResetZoom(float duration)
{
StopCoroutine("SetFieldOfView");
ZoomProperty zoomProperty = new ZoomProperty(defaultFieldOfView, duration);
StartCoroutine("SetFieldOfView", zoomProperty);
}
/*
* Zoom by a given ratio over a given duration in seconds. Increases/decreases zoom
* level linearly over time. Example: 1.05 would evenly zoom in 5% over 5 seconds.
*/
public void Zoom(float targetZoomRatio, float duration)
{
// Convert our "zoom ratio" to a "field of view" ratio which is the inverse
// i.e. 1.05 zoom-in means 0.95 field of view.
float fieldOfViewRatio = 1.0f - (targetZoomRatio - 1.0f);
float newFieldOfView = fieldOfViewRatio * defaultFieldOfView;
ZoomProperty zoomProperty = new ZoomProperty (newFieldOfView, duration);
StopCoroutine ("SetFieldOfView");
StartCoroutine ("SetFieldOfView", zoomProperty);
}
/*
* Zoom by a given ratio over a given duration in seconds. Increases/decreases zoom
* level linearly over time. Example: 1.05 would evenly zoom in 5% over 5 seconds.
*/
public void Zoom(float targetZoomRatio, float duration)
{
// Convert our "zoom ratio" to a "field of view" ratio which is the inverse
// i.e. 1.05 zoom-in means 0.95 field of view.
float fieldOfViewRatio = 1.0f - (targetZoomRatio - 1.0f);
float newFieldOfView = fieldOfViewRatio * defaultFieldOfView;
ZoomProperty zoomProperty = new ZoomProperty(newFieldOfView, duration);
StopCoroutine("SetFieldOfView");
StartCoroutine("SetFieldOfView", zoomProperty);
}
/*
* Sets the camera field of view to a certain value over a provided amount of seconds.
*/
IEnumerator SetFieldOfView(ZoomProperty zoomProperty)
{
float startingFieldOfView = camera.fieldOfView;
float elapsed = 0;
while (elapsed < zoomProperty.duration)
{
elapsed += Time.deltaTime;
float percentageComplete = elapsed / zoomProperty.duration;
float newFieldOfView = Mathf.Lerp(startingFieldOfView, zoomProperty.fieldOfView, percentageComplete);
camera.fieldOfView = newFieldOfView;
yield return(null);
}
}
private float GetFactor(ZoomProperty property, float factor)
{
switch (property)
{
case ZoomProperty.In:
return(factor);
case ZoomProperty.Out:
return(1 / factor);
case ZoomProperty.Stay:
return(1);
}
return(1);
}
/// <summary>
/// Converts given values to expected property
/// </summary>
/// <param name="values">
/// It should be following values:
/// <list type="number">
/// <item>property from <c>Zoom</c> model</item>
/// <item>Image control</item>
/// <item>ZoomProperty describing which property we want to get.</item>
/// </list>
/// </param>
/// <param name="targetType">Not used</param>
/// <param name="parameter">Not used</param>
/// <param name="culture">Not used</param>
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
if (values.Length < 3 || !(values[0] is double && values[1] is Image && values[2] is ZoomProperty))
{
return(null);
}
double prop = (double)values[0];
Image image = values[1] as Image;
ZoomProperty zoomProperty = (ZoomProperty)values[2];
switch (zoomProperty)
{
case ZoomProperty.OffsetX:
return(GetOffsetX(prop, image));
case ZoomProperty.OffsetY:
return(GetOffsetY(prop, image));
}
return(null);
}
set => SetValue(ZoomProperty, value);
static FriendInfoDescriptionViewer()
{
ZoomProperty.OverrideMetadata(typeof(FriendInfoDescriptionViewer), new FrameworkPropertyMetadata(_OnZoomChanged));
}
private void Zoom(ZoomProperty widthProperty, ZoomProperty heightProperty)
{
Zoomed?.Invoke(this, new ZoomButtonsEventArgs(GetFactor(widthProperty, zoomFactorWidth),
GetFactor(heightProperty, zoomFactorHeight)));
}
/*
* Reset the zoom to the starting field of view.
*/
public void ResetZoom(float duration)
{
StopCoroutine ("SetFieldOfView");
ZoomProperty zoomProperty = new ZoomProperty (defaultFieldOfView, duration);
StartCoroutine ("SetFieldOfView", zoomProperty);
}
/*
* Sets the camera field of view to a certain value over a provided amount of seconds.
*/
IEnumerator SetFieldOfView(ZoomProperty zoomProperty)
{
float startingFieldOfView = camera.fieldOfView;
float elapsed = 0;
while (elapsed < zoomProperty.duration) {
elapsed += Time.deltaTime;
float percentageComplete = elapsed / zoomProperty.duration;
float newFieldOfView = Mathf.Lerp (startingFieldOfView, zoomProperty.fieldOfView, percentageComplete);
camera.fieldOfView = newFieldOfView;
yield return null;
}
}
