void Update()
{
if (_Adapter == null)
{
return;
}
float pullAmount01 = 0f;
var piv = _SrollbarPivotOnInit;
int sign = 1;
if (_Adapter.GetContentSizeToViewportRatio() > 1d)
{
var insetStart = _Adapter.ContentVirtualInsetFromViewportStart;
if (insetStart > 0d)
{
if (_Adapter.IsHorizontal)
{
pullAmount01 = (float)(insetStart / _Adapter.BaseParameters.Viewport.rect.width);
piv.x = 0f;
}
else
{
pullAmount01 = (float)(insetStart / _Adapter.BaseParameters.Viewport.rect.height);
piv.y = 1f;
}
}
else
{
var insetEnd = _Adapter.ContentVirtualInsetFromViewportEnd;
if (insetEnd > 0d)
{
sign = -1;
pullAmount01 = (float)(insetEnd / _Adapter.GetContentSize());
if (_Adapter.IsHorizontal)
{
pullAmount01 = (float)(insetEnd / _Adapter.BaseParameters.Viewport.rect.width);
piv.x = 1f;
}
else
{
pullAmount01 = (float)(insetEnd / _Adapter.BaseParameters.Viewport.rect.height);
piv.y = 0f;
}
}
}
}
if (_HandleRT.pivot != piv)
{
_HandleRT.pivot = piv;
}
var euler = _HandleRT.localEulerAngles;
// Multiplying argument by _Speed to speed up sine function growth
euler.z = Mathf.Sin(pullAmount01 * _RotationSensivity * Mathf.PI) * _DegreesOfFreedom * sign;
_HandleRT.localEulerAngles = euler;
}
void OSAScrollPositionChanged(double scrollPos)
{
// The terms 'before' and 'after' mean what they should, if _InsetEdge is START,
// but their meaning is swapped when _InsetEdge is END.
var li = _OSA.GetLayoutInfoReadonly();
double osaInsetFromEdge;
RectTransform.Edge edgeToInsetFrom;
if (_InsetEdge == InsetEdgeEnum.START)
{
osaInsetFromEdge = _OSA.ContentVirtualInsetFromViewportStart;
edgeToInsetFrom = li.startEdge;
}
else
{
osaInsetFromEdge = _OSA.ContentVirtualInsetFromViewportEnd;
edgeToInsetFrom = li.endEdge;
}
double myExpectedInsetFromVirtualContent = _Inset;
var rect = _RT.rect;
double mySize = rect.size[li.hor0_vert1];
double osaViewportSize = li.vpSize;
if (_InsetIsNormalized)
{
myExpectedInsetFromVirtualContent *= _OSA.GetContentSize() - mySize;
}
double myExpectedInsetFromViewport = osaInsetFromEdge + myExpectedInsetFromVirtualContent;
bool visible = true;
if (myExpectedInsetFromViewport < 0d)
{
if (myExpectedInsetFromViewport <= -mySize) // completely 'before' the viewport
{
myExpectedInsetFromViewport = -mySize; // don't position it too far away
visible = false;
}
}
else
{
if (myExpectedInsetFromViewport >= osaViewportSize) // completely 'after' the viewport
{
myExpectedInsetFromViewport = osaViewportSize; // don't position it too far away
visible = false;
}
}
bool disable = false;
if (!visible)
{
disable = _DisableWhenNotVisible;
}
if (gameObject.activeSelf == disable)
{
gameObject.SetActive(!disable);
}
if (disable)
{
// No need to position it, since it's disabled now
return;
}
if (!_AffectedByElasticity)
{
if (myExpectedInsetFromViewport > 0d)
{
// Update: actually, it looks better to just keep it at the edge, no matter what
// // only if the content is bigger than viewport, otherwise the decorator is forced to stay with the content
//if (_OSA.GetContentSizeToViewportRatio() > 1d)
//{
//}
myExpectedInsetFromViewport = 0d;
}
}
_RT.SetInsetAndSizeFromParentEdgeWithCurrentAnchors(edgeToInsetFrom, (float)myExpectedInsetFromViewport, (float)mySize);
}
