Physical particle effect (on leaf and others)

so i cant get my eyes off those leaf particle effects in forests and i got a new idea that could make them more immersive. right now when you swing a sword right next to them nothing happens. the sword just goes through or near them without effecting its path. which is not realistic. instead, it would be great if it actually reacted by changing its direction, and speed based on the sword slash by doing some technical coding stuff that kero knows how to do