private void UpdateLayout(int axis)
{
// Verify and prepare horizontal axis.
if (axis == 0)
{
if (!snapWidth)
{
return;
}
m_tracker.Add(this, rectTransform, DrivenTransformProperties.SizeDeltaX |
DrivenTransformProperties.AnchorMinX |
DrivenTransformProperties.AnchorMaxX |
DrivenTransformProperties.AnchoredPositionX);
rectTransform.SetAnchorMinX(rectTransform.GetPivotX());
rectTransform.SetAnchorMaxX(rectTransform.GetPivotX());
rectTransform.SetAnchoredPositionX(0f);
}
// Verify and prepare vertical axis.
if (axis == 1)
{
if (!snapHeight)
{
return;
}
m_tracker.Add(this, rectTransform, DrivenTransformProperties.SizeDeltaY |
DrivenTransformProperties.AnchorMinY |
DrivenTransformProperties.AnchorMaxY |
DrivenTransformProperties.AnchoredPositionY);
rectTransform.SetAnchorMinY(rectTransform.GetPivotY());
rectTransform.SetAnchorMaxY(rectTransform.GetPivotY());
rectTransform.SetAnchoredPositionY(0f);
}
// Compute the sizes to be working with.
Vector2 sizeDelta = rectTransform.sizeDelta;
Mode mode = (axis == 0) ? widthMode : heightMode;
float targetAbsolute = (axis == 0) ? targetWidthAbsolute : targetHeightAbsolute;
float targetRelative = (axis == 0) ? targetWidthRelative : targetHeightRelative;
float snapAtAbsolute = (axis == 0) ? snapAtWidthAbsolute : snapAtHeightAbsolute;
float snapAtRelative = (axis == 0) ? snapAtWidthRelative : snapAtHeightRelative;
if (mode == Mode.Absolute)
{
if (targetAbsolute > snapAtRelative * parentRectTransform.rect.size[axis])
{
sizeDelta[axis] = parentRectTransform.rect.size[axis];
}
else
{
sizeDelta[axis] = targetAbsolute;
}
}
else if (mode == Mode.Relative)
{
if (targetRelative * parentRectTransform.rect.size[axis] > snapAtAbsolute)
{
sizeDelta[axis] = parentRectTransform.rect.size[axis];
}
else
{
sizeDelta[axis] = targetRelative * parentRectTransform.rect.size[axis];
}
}
// Set the size delta.
rectTransform.sizeDelta = sizeDelta;
}
private void UpdateRect()
{
if (!IsActive())
{
return;
}
m_Tracker.Clear();
switch (m_AspectMode)
{
#if UNITY_EDITOR
case AspectMode.None:
{
if (!Application.isPlaying)
{
m_AspectRatio = Mathf.Clamp(rectTransform.rect.width / rectTransform.rect.height, 0.001f, 1000f);
}
break;
}
#endif
case AspectMode.HeightControlsWidth:
{
m_Tracker.Add(this, rectTransform, DrivenTransformProperties.SizeDeltaX);
rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, rectTransform.rect.height * m_AspectRatio);
break;
}
case AspectMode.WidthControlsHeight:
{
m_Tracker.Add(this, rectTransform, DrivenTransformProperties.SizeDeltaY);
rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, rectTransform.rect.width / m_AspectRatio);
break;
}
case AspectMode.FitInParent:
case AspectMode.EnvelopeParent:
{
m_Tracker.Add(this, rectTransform,
DrivenTransformProperties.Anchors |
DrivenTransformProperties.AnchoredPosition |
DrivenTransformProperties.SizeDeltaX |
DrivenTransformProperties.SizeDeltaY);
rectTransform.anchorMin = Vector2.zero;
rectTransform.anchorMax = Vector2.one;
rectTransform.anchoredPosition = Vector2.zero;
Vector2 sizeDelta = Vector2.zero;
Vector2 parentSize = GetParentSize();
if ((parentSize.y * aspectRatio < parentSize.x) ^ (m_AspectMode == AspectMode.FitInParent))
{
sizeDelta.y = GetSizeDeltaToProduceSize(parentSize.x / aspectRatio, 1);
}
else
{
sizeDelta.x = GetSizeDeltaToProduceSize(parentSize.y * aspectRatio, 0);
}
rectTransform.sizeDelta = sizeDelta;
break;
}
}
}
private void RefreshScale()
{
if (scaler == null) // When instantiating the icon for the first time
{
return;
}
if (!enabled)
{
return;
}
if (size == 0 && sizeMode == SizeMode.Manual)
{
fontSize = 0;
return;
}
float tempSize = size;
if (sizeMode == SizeMode.Manual)
{
m_ScaledSize = tempSize * scaler.scaleFactor;
}
else if (sizeMode == SizeMode.MatchWidth)
{
m_ScaledSize = rectTransform.rect.width;
tempSize = m_ScaledSize;
m_ScaledSize *= scaler.scaleFactor;
}
else if (sizeMode == SizeMode.MatchHeight)
{
m_ScaledSize = rectTransform.rect.height;
tempSize = m_ScaledSize;
m_ScaledSize *= scaler.scaleFactor;
}
else if (sizeMode == SizeMode.MatchMin)
{
Vector2 tempVector2 = new Vector2(rectTransform.rect.width, rectTransform.rect.height);
m_ScaledSize = Mathf.Min(tempVector2.x, tempVector2.y);
tempSize = m_ScaledSize;
m_ScaledSize *= scaler.scaleFactor;
}
else if (sizeMode == SizeMode.MatchMax)
{
Vector2 tempVector2 = new Vector2(rectTransform.rect.width, rectTransform.rect.height);
m_ScaledSize = Mathf.Max(tempVector2.x, tempVector2.y);
tempSize = m_ScaledSize;
m_ScaledSize *= scaler.scaleFactor;
}
if (m_ScaledSize > 500)
{
m_LocalScaleFactor = m_ScaledSize / 500;
}
else
{
m_LocalScaleFactor = 1f;
}
tempSize *= m_LocalScaleFactor;
fontSize = Mathf.RoundToInt(tempSize);
#if UNITY_EDITOR
if (!Application.isPlaying)
{
EditorUtility.SetDirty(this);
}
#endif
m_LocalScaleFactor *= (size / Mathf.Max(size));
if (m_LocalScaleFactor != float.NaN && new Vector3(m_LocalScaleFactor, m_LocalScaleFactor, m_LocalScaleFactor) != rectTransform.localScale)
{
m_Tracker.Add(this, rectTransform, DrivenTransformProperties.Scale);
rectTransform.localScale = new Vector3(m_LocalScaleFactor, m_LocalScaleFactor, m_LocalScaleFactor);
}
}