MathF-functions are faster than the Math-counterpart and it looks cleaner, so use MathF when we cast to float or int anyway.
Add Ctrl+A to select all and Escape to deselect all Co-authored-by: Dean Herbert <pe@ppy.sh>
Seek editor when hit objects are double clicked
Implement slider control point deletion Co-authored-by: Dean Herbert <pe@ppy.sh>
Refactor blueprint movement and selection events