BGC.Extensions.RectTransformExtensions Class Reference

Static Public Member Functions
static bool	IsChildFullyVisible (this RectTransform rectTransform, RectTransform child)
static bool	IsChildVisible (this RectTransform rectTransform, RectTransform child)

Static Private Member Functions
static int	CountCornersVisibleWithin (this RectTransform rectTransform, RectTransform child)

Detailed Description

Definition at line 5 of file RectTransformExtensions.cs.

Member Function Documentation

CountCornersVisibleWithin()

static int BGC.Extensions.RectTransformExtensions.CountCornersVisibleWithin ( this RectTransform  rectTransform, RectTransform  child  )

inlinestaticprivate

Definition at line 7 of file RectTransformExtensions.cs.

        {
            Vector3[] parentCorners = new Vector3[4];
            rectTransform.GetWorldCorners(parentCorners);

            Rect worldRect = new Rect(parentCorners[0], parentCorners[2] - parentCorners[0]);

            Vector3[] childCorners = new Vector3[4];
            child.GetWorldCorners(childCorners);

            int visibleCorners = 0;
            for (var i = 0; i < childCorners.Length; i++)
            {
                if (worldRect.Contains(childCorners[i]))
                {
                    visibleCorners++;
                }
            }
            return visibleCorners;
        }

IsChildFullyVisible()

static bool BGC.Extensions.RectTransformExtensions.IsChildFullyVisible ( this RectTransform  rectTransform, RectTransform  child  )

inlinestatic

Definition at line 29 of file RectTransformExtensions.cs.

        {
            return CountCornersVisibleWithin(rectTransform, child) == 4;
        }

IsChildVisible()

static bool BGC.Extensions.RectTransformExtensions.IsChildVisible ( this RectTransform  rectTransform, RectTransform  child  )

inlinestatic

Definition at line 35 of file RectTransformExtensions.cs.

        {
            return CountCornersVisibleWithin(rectTransform, child) > 0;
        }

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The documentation for this class was generated from the following file:

• Extensions/RectTransformExtensions.cs