patis Posted February 23, 2021 Share Posted February 23, 2021 Hello, I want to delete alembic cubes when collide box. But using solver to write attributes, The alembic couldn't move.. (I know the reason that is read looping for the first frame..) Anything way to avoid this? Thank you ToOdforce.7z Quote Link to comment Share on other sites More sharing options...
dleonhardt Posted February 23, 2021 Share Posted February 23, 2021 The reason the cubes won't move inside the solver is because the 'Prev_Frame' Dop Import doesn't reference the actual previous frame, like a timeshift with $F-1 would do, it references the output(!) of the solver from the previous frame. Which means that you have to output 'Input_1' and copy the attributes from 'Prev_Frame' in your case. movingobject_dl.hipnc Quote Link to comment Share on other sites More sharing options...
patis Posted February 23, 2021 Author Share Posted February 23, 2021 5 hours ago, dleonhardt said: キューブがソルバー内で移動しない理由は、 'Prev_Frame' Dop Importが実際の前のフレームを参照しないためです。たとえば、$ F-1のタイムシフトのように、ソルバーの出力（！）を参照します。前のフレーム。つまり、「Input_1」を出力し、「Prev_Frame」から属性をコピーする必要があります。 Movingobject_dl.hipnc Wow....! Thank you for great detail Quote Link to comment Share on other sites More sharing options...
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