Help: i don't know how to make a noise "wave"

[anonymous_user_7b551c20]

Hello Community,

i need help.

I want to make a simple “noise wave”

that when i click the left button, that the Charakter sends a wave around him, and when the waves hits an object than the wave stays for about 1 or 2 seconds at this object…

so it looks like this:

please help me…

Thanks