need ex

[Aconment]

player need up or down where stairs and cirrus , i had use collision to do it ,but its effect not as well, it is : On the ground, you can crawl along the cirrus , or you can jump and grab the cirrus and crawl again; On the cirrus , you can jump directly down to the ground, if left and right direction, just like jump . Characters need to cross the ceiling terrain

i set collision mask and use mask to do it