void OnGUI()
{
if (!ShowBorders || blankTexture == null)
{
return;
}
var screenRect = sprite.GetScreenRect();
var borders = sprite.SpriteInfo.border;
var x = screenRect.x;
var y = screenRect.y;
var width = screenRect.width;
var height = screenRect.height;
var left = borders.left;
var right = borders.right;
var top = borders.top;
var bottom = borders.bottom;
if (sprite.Flip.IsSet(dfSpriteFlip.FlipHorizontal))
{
left = borders.right;
right = borders.left;
}
if (sprite.Flip.IsSet(dfSpriteFlip.FlipVertical))
{
top = borders.bottom;
bottom = borders.top;
}
// NOTE: I've been meaning to add some immediate-mode drawing functions
// for things like lines and overlay sprites, but that will have to wait
// until V2 for now.
//
// I could easily have chosen to draw the lines using Sprites, but I
// think it's kind of illuminating to show how the code below increases
// the draw call currentIndex by 4 just to draw some simple lines using
// Unity GUI :)
GUI.color = new Color(0.5f, 0.5f, 0.5f, 0.5f);
GUI.DrawTexture(new Rect(x - 10, y + top, width + 20, 1), blankTexture);
GUI.DrawTexture(new Rect(x - 10, y + height - bottom, width + 20, 1), blankTexture);
GUI.DrawTexture(new Rect(x + left, y - 10, 1, height + 20), blankTexture);
GUI.DrawTexture(new Rect(x + width - right, y - 10, 1, height + 20), blankTexture);
}
