IEnumerator AnimateHide(ITooltip tooltip, TooltipData data)
{
var target = data.GetTooltipTarget(tooltip);
var startTime = Time.realtimeSinceStartup;
while (Time.realtimeSinceStartup - startTime < k_TransitionDuration)
{
if (!target)
{
break;
}
UpdateVisuals(tooltip, data, 1 - (Time.realtimeSinceStartup - startTime) / k_TransitionDuration);
yield return(null);
}
RecycleTooltip(data);
}
void UpdateVisuals(ITooltip tooltip, TooltipData tooltipData, float lerp)
{
var target = tooltipData.GetTooltipTarget(tooltip);
var tooltipUI = tooltipData.tooltipUI;
var placement = tooltipData.placement;
var orientationWeight = tooltipData.orientationWeight;
var tooltipTransform = tooltipUI.transform;
lerp = MathUtilsExt.SmoothInOutLerpFloat(lerp); // shape the lerp for better presentation
var transitionLerp = MathUtilsExt.SmoothInOutLerpFloat(1.0f - Mathf.Clamp01((Time.time - tooltipData.transitionTime) / k_ChangeTransitionDuration));
var viewerScale = this.GetViewerScale();
tooltipTransform.localScale = m_TooltipScale * lerp * viewerScale;
// Adjust for alignment
var offset = GetTooltipOffset(tooltipUI, placement, tooltipData.transitionOffset * transitionLerp);
// The rectTransform expansion is handled in the Tooltip dynamically, based on alignment & text length
var rotationOffset = Quaternion.identity;
var camTransform = CameraUtils.GetMainCamera().transform;
if (Vector3.Dot(camTransform.forward, target.forward) < 0)
{
rotationOffset *= k_FlipYRotation;
}
if (Vector3.Dot(camTransform.up, target.up) + orientationWeight < 0)
{
rotationOffset *= k_FlipZRotation;
tooltipData.orientationWeight = -k_TextOrientationWeight;
}
else
{
tooltipData.orientationWeight = k_TextOrientationWeight;
}
MathUtilsExt.SetTransformOffset(target, tooltipTransform, offset * lerp, rotationOffset);
if (placement != null)
{
//TODO: Figure out why rect gives us different height/width than GetWorldCorners
tooltipUI.rectTransform.GetWorldCorners(k_Corners);
var bottomLeft = k_Corners[0];
var halfWidth = (bottomLeft - k_Corners[2]).magnitude * 0.5f;
var halfHeight = (bottomLeft - k_Corners[1]).magnitude * 0.5f;
var source = placement.tooltipSource;
var toSource = tooltipTransform.InverseTransformPoint(source.position);
// Position spheres: one at source, one on the closest edge of the tooltip
var spheres = tooltipUI.spheres;
spheres[0].position = source.position;
var attachedSphere = spheres[1];
var boxSlope = halfHeight / halfWidth;
var toSourceSlope = Mathf.Abs(toSource.y / toSource.x);
var parentScale = attachedSphere.parent.lossyScale;
halfHeight *= Mathf.Sign(toSource.y) / parentScale.x;
halfWidth *= Mathf.Sign(toSource.x) / parentScale.y;
attachedSphere.localPosition = toSourceSlope > boxSlope
? new Vector3(0, halfHeight)
: new Vector3(halfWidth, 0);
// Align dotted line
var attachedSpherePosition = attachedSphere.position;
toSource = source.position - attachedSpherePosition;
var midPoint = attachedSpherePosition + toSource * 0.5f;
var dottedLine = tooltipUI.dottedLine;
var length = toSource.magnitude;
var uvRect = dottedLine.uvRect;
var worldScale = 1 / viewerScale;
uvRect.width = length * k_UVScale * worldScale;
uvRect.xMin += k_UVScrollSpeed * Time.deltaTime;
dottedLine.uvRect = uvRect;
var dottedLineTransform = dottedLine.transform.parent.GetComponent <RectTransform>();
dottedLineTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, length / tooltipTransform.lossyScale.x);
dottedLineTransform.position = midPoint;
dottedLineTransform.rotation = Quaternion.LookRotation(toSource, -tooltipTransform.forward);
}
}
