Realistic Rain v3.9.1 [1.40]

Changelog v3.9.1:
Some adjustments to the behavior of the raindrops for the interior of the cabin have been modified for greater realism and fluidity:

– Transformation time, shape of the raindrops, speed of the raindrops when moving the windshield…
– Visibility of raindrops (“outside” rain) was very slightly increased
– Made some minor adjustment to the sound of rain from the cabin