I am having trouble creting a wind tunnel , as a test created a long brush with env_wind as a texture, then attached it to a trigger wind , but I really can't see anything happening when I got through it
trigger_push like lolz said will do the trick fine, give it a pushing force of about 500+ to push the player, if you want a trigger push to lift the player off the ground (like those skydive sim rooms with the fan blasting upwards) then you will need a point_clientcommand and a trigger_multiple brush around the area you want the player to be lifted from then give the trigger_multiple the following output:
well i've worked with trigger_push pointing up as well however you need higher values. something like 1000-2000. However i'm not sure if the method above is better.
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