public LayerRect(LayerPoint point, float width, float height, WorldAnchor anchor)
{
this.point = point;
this.width = width;
this.height = height;
this.anchor = anchor;
CalcCornerPoints(out TopLeft, out BottomRight);
Rect = RectTool.Create(TopLeft.InLayerPoint, BottomRight.InLayerPoint);
}
private void CalcCornerPoints(out LayerPoint topLeft, out LayerPoint bottomRight)
{
// anchor to TopLeft
float topLeftOffsetX = 0;
float topLeftOffsetY = 0;
float bottomRightOffsetX = 0;
float bottomRightOffsetY = 0;
if (anchor == WorldAnchor.BottomLeft || anchor == WorldAnchor.MiddleLeft || anchor == WorldAnchor.TopLeft)
{
topLeftOffsetX = 0;
bottomRightOffsetX = width;
}
if (anchor == WorldAnchor.BottomCenter || anchor == WorldAnchor.MiddleCenter || anchor == WorldAnchor.TopCenter)
{
topLeftOffsetX = -width / 2;
bottomRightOffsetX = width / 2;
}
if (anchor == WorldAnchor.BottomRight || anchor == WorldAnchor.MiddleRight || anchor == WorldAnchor.TopRight)
{
topLeftOffsetX = -width;
bottomRightOffsetX = 0;
}
if (anchor == WorldAnchor.BottomLeft || anchor == WorldAnchor.BottomCenter || anchor == WorldAnchor.BottomRight)
{
topLeftOffsetY = height;
bottomRightOffsetY = 0;
}
if (anchor == WorldAnchor.MiddleLeft || anchor == WorldAnchor.MiddleCenter || anchor == WorldAnchor.MiddleRight)
{
topLeftOffsetY = height / 2;
bottomRightOffsetY = -height / 2;
}
if (anchor == WorldAnchor.TopLeft || anchor == WorldAnchor.TopCenter || anchor == WorldAnchor.TopRight)
{
topLeftOffsetY = 0;
bottomRightOffsetY = -height;
}
topLeft = new LayerPoint(point, new Vector3(topLeftOffsetX, topLeftOffsetY));
bottomRight = new LayerPoint(point, new Vector3(bottomRightOffsetX, bottomRightOffsetY));
}
public Vector3 LayerToScreenPoint(Vector3 position)
{
LayerPoint point = new LayerPoint(this, position);
return point.InScreenPoint;
}
public LayerPoint(LayerPoint point, Vector2 offset)
{
this.layer = point.layer;
this.layerPoint = point.layerPoint + offset;
}