Programm: Unreal
Art: Foliage / Tip
Kurzbeschreibung: Foliage auf schrägen Flächen
Langtext: Check 'Align to normal'. This will make it so that the instances you place will be pointing down from the roof. 'align max angle' should be 180 degrees, so that objects can be rotated upside down and be on the ceiling pointing down. 'ground slope angle' should be 'max 180' so that they can be painted on upside-down things, and 'min' should be whatever cutoff from that you want. a value of 160 is good for roofs, but if you want to go fully free-form then 0 works too :) hope that helps.
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