private void OnGUI()
{
if (_isDisplaying && enabled)
{
Vector2 mouseScreenPosition = _mouseTracker != null ? _mouseTracker.MouseScreenPosition : default;
Rect selection = ScreenRect.GetScreenRect(_rectangleStartScreenPosition, mouseScreenPosition);
ScreenRect.DrawScreenRect(selection, _fillColor);
ScreenRect.DrawScreenRectBorders(selection, _borderColor, _borderThickness);
}
}
/// <summary>
/// Draws box borders on screen.
/// </summary>
/// <param name="rect"></param>
/// <param name="color"></param>
/// <param name="thickness"></param>
public static void DrawScreenRectBorders(Rect rect, Color color, float thickness)
{
// Top
ScreenRect.DrawScreenRect(new Rect(rect.xMin, rect.yMin, rect.width, thickness), color);
// Left
ScreenRect.DrawScreenRect(new Rect(rect.xMin, rect.yMin, thickness, rect.height), color);
// Right
ScreenRect.DrawScreenRect(new Rect(rect.xMax - thickness, rect.yMin, thickness, rect.height), color);
// Bottom
ScreenRect.DrawScreenRect(new Rect(rect.xMin, rect.yMax - thickness, rect.width, thickness), color);
}