static bool ScreenToPanel(PanelRenderer panelRenderer, ref Event evt, Vector2 screenPosition, Vector2 lastScreenPosition)
{
var panelPosition = Vector2.zero;
var panelDelta = Vector2.zero;
if (!ScreenToPanel(panelRenderer, screenPosition, screenPosition - lastScreenPosition,
out panelPosition, out panelDelta))
{
return(false);
}
evt.mousePosition = panelPosition;
evt.delta = panelDelta;
return(true);
}
static bool ScreenToPanel(PanelRenderer panelRenderer, ref Touch touch)
{
var panelPosition = Vector2.zero;
var panelDelta = Vector2.zero;
if (!ScreenToPanel(panelRenderer, touch.position, touch.deltaPosition,
out panelPosition, out panelDelta))
{
return(false);
}
touch.position = panelPosition;
touch.deltaPosition = panelDelta;
return(true);
}
static bool ScreenToPanel(PanelRenderer panelRenderer, Vector2 screenPosition, Vector2 screenDelta,
out Vector2 panelPosition, out Vector2 panelDelta)
{
panelPosition = Vector2.zero;
panelDelta = Vector2.zero;
if (!panelRenderer.ScreenToPanel(screenPosition, out panelPosition))
{
return(false);
}
var panelPrevPosition = Vector2.zero;
if (panelRenderer.ScreenToPanel(screenPosition - screenDelta, out panelPrevPosition))
{
panelDelta = panelPosition - panelPrevPosition;
}
return(true);
}