/// <summary>
/// Creates a rectangle inside of another rectangle.
/// </summary>
/// <returns>A rectangle at coords x,y -> x+width,y+height inside of rel.</returns>
/// <param name="rel">The relative rectangle.</param>
/// <param name="x">The local x coordinate of the new rectangle.</param>
/// <param name="y">The local y coordinate of the new rectangle..</param>
/// <param name="width">The width of the new rectangle.</param>
/// <param name="height">The height of the new rectangle.</param>
/// <param name="mode">Defaultss to floating.</param>
Rect relRec(Rect rel, float x, float y, float width, float height, relRecMode mode = relRecMode.floating)
{
if (mode == relRecMode.floating)
{
return(new Rect(rel.x + x, rel.y + y, width, height));
}
else if (mode == relRecMode.singleEdgeClamp)
{
// Clamps RHS edge to within rel.
return(new Rect(rel.x + x, rel.y + y,
(x + width) > rel.width ? rel.width - x : width,
(y + height) > rel.height ? rel.height - y : height));
}
else /*clamp*/
{
return(new Rect(rel.x + x <0 ? 0 : rel.x + x,
rel.y + y <0 ? 0 : rel.y + y,
(x + width)> rel.width ? rel.width - x : width,
(y + height)> rel.height ? rel.height - y : height));
}
}
Rect relRec(Rect rel, Rect input, relRecMode mode = relRecMode.floating)
{
return(relRec(rel, input.x, input.y, input.width, input.height, mode));
}
