You would still get wet, whether you stand in mist like the garden of Eden or if you stand in the rain (post the fall not the flood).
God clothed Adam and Eve with animal skins NOT plants.
He accepted Able sacrifice of a lamb and NOT Cain of grain.
It says the shedding of BLOOD is needed for the remission of sins.
The Bible endorses the killing and eating of meat in THIS world,
We don't live in the garden of Eden.
If people have the means and money to get "plant based protein" instead of meat, then they have been blessed.
God is more concerned with overall health and the conditions of the heart than specific diets.
Also more Bible examples:
After His ressurection, Jesus ate fish.
God have the Israelites Manna AND BIRDS to kill and eat in the desert.
One of God's prophets ate whatever the crows brought him...dead scavenged meat
If you want to be vegan, that's a personal choice, just don't condemn others for not following your choice. Eating meat doesn't go against the Bible and is not considered a sin by God,