done, but I'm unsure about how this maps to my situation.
Maybe I should explain why I am trying this in the first place...
I want the frog to be able to bounce off anything except for when it hits this anything from above (like the ground or a platform hovering in the middle of the layout).
first I thought about making this a platform behavior but the frog should only jump (i.e. not walk) and I couldn't think of a kind of a good way to get the bouncing left/right/top. Also I want to have the nice parabola movement.
So applying an impulse seems like the way to go, but how do i prevent the frog from bouncing when hitting something from above?
First idea would be to "simply" apply an impulse which is inverse to the current velocity when the frog hits something from above.