public void Show(string message, RectTransform rectTransform, TooltipAnchorPosition anchorPosition)
{
if (rectTransform == null)
{
return;
}
resizerText.text = message;
switch (State)
{
case TooltipState.HIDDEN:
State = TooltipState.WAITING_FOR_DISPLAY;
break;
case TooltipState.FADING_OUT:
State = TooltipState.FADING_IN;
break;
}
StartCoroutine(waitForAndOfAFrameAndReposition(rectTransform, anchorPosition));
}
public void ShowFromScene(string message, Vector3 sceneWorldPosition, TooltipAnchorPosition anchorPosition)
{
helperTransform.position = mainCamera.WorldToScreenPoint(sceneWorldPosition);
Show(message, helperTransform, anchorPosition);
}
/// <summary>
/// The layouter has to resize according to new inserted text -
/// need to wait for end of a frame to correctly reposition.
/// </summary>
/// <param name="parentRectTransform"></param>
/// <param name="anchorPosition"></param>
/// <returns></returns>
IEnumerator waitForAndOfAFrameAndReposition(RectTransform parentRectTransform, TooltipAnchorPosition anchorPosition)
{
yield return(new WaitForEndOfFrame());
float parentWidth;
float parentHeight;
Vector3 parentPosOffset
= getRectTransformOffsetToCenter(parentRectTransform, out parentHeight, out parentWidth); //offset from pos to calculate center
switch (anchorPosition)
{
case TooltipAnchorPosition.CENTER:
resizerTransform.pivot = new Vector2(0.5f, 0.5f);
break;
case TooltipAnchorPosition.DOWN:
resizerTransform.pivot = new Vector2(0.5f, 1f);
parentPosOffset.y -= (parentHeight / 2f + offsetFromParent);
break;
case TooltipAnchorPosition.UP:
resizerTransform.pivot = new Vector2(0.5f, 0f);
parentPosOffset.y += (parentHeight / 2f + offsetFromParent);
break;
case TooltipAnchorPosition.LEFT:
resizerTransform.pivot = new Vector2(1f, 0.5f);
parentPosOffset.x -= (parentWidth / 2f + offsetFromParent);
break;
case TooltipAnchorPosition.RIGHT:
resizerTransform.pivot = new Vector2(0f, 0.5f);
parentPosOffset.x += (parentWidth / 2f + offsetFromParent);
break;
}
Vector3 targetPos = parentRectTransform.position + parentPosOffset;
resizerTransform.position = parentRectTransform.position + parentPosOffset;
float width;
float height;
Vector3 currentCenter = getRectTransformOffsetToCenter(resizerTransform, out height, out width);
currentCenter = targetPos + currentCenter;
float innerFrameWidth = resizerInnerFrame.sizeDelta.x;
float innerFrameHeight = resizerInnerFrame.sizeDelta.y;
//rect sides positions
float left = currentCenter.x - (innerFrameWidth / 2f);
float right = currentCenter.x + (innerFrameWidth / 2f);
float up = currentCenter.y + (innerFrameHeight / 2f);
float down = currentCenter.y - (innerFrameHeight / 2f);
Vector3 offset = new Vector3(); //the offset that rect must be moved to fit into a screen
if (left < 0)
{
offset.x = -left;
}
if (right > Screen.width)
{
offset.x = Screen.width - right;
}
if (up > Screen.height)
{
offset.y = Screen.height - up;
}
if (down < 0)
{
offset.y = -down;
}
//float innerFrameWidth = resizerInnerFrame.sizeDelta.x;
//float innerFrameHeight = resizerInnerFrame.sizeDelta.y;
Vector2 sizeDiff = new Vector2(width - innerFrameWidth, height - innerFrameHeight);
switch (anchorPosition)
{
case TooltipAnchorPosition.CENTER:
break;
case TooltipAnchorPosition.DOWN:
offset.y += sizeDiff.y / 2f;
break;
case TooltipAnchorPosition.UP:
offset.y -= sizeDiff.y / 2f;
break;
case TooltipAnchorPosition.LEFT:
offset.x += sizeDiff.x / 2f;
break;
case TooltipAnchorPosition.RIGHT:
offset.x -= sizeDiff.x / 2f;
break;
}
resizerTransform.position = resizerTransform.position + offset;
RectTransform thisRectTransform = (RectTransform)transform;
thisRectTransform.pivot = resizerTransform.pivot;
thisRectTransform.position = resizerTransform.position;
thisText.text = resizerText.text;
}
