Line intersects side of rectangle

[Kaznachei]

The best way to know which side of rectangle intersected by line. Also i can rotate my rectangle.

[jsulm]

@Kaznachei You should formulate a question, so it is cleare what you are asking.
I assume you want to know how to determine which rectangle side intersects with a given line?
I don't think there is anything in Qt, you will need to do some math for that.