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Showing results for tags 'primintrinsic'.
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Hello, I'm working on a project and I'm a bit stuck on matrix transformation. I don't have a strong background in matrix manipulation. Here is what I am trying to do: I have a packed alembic that has been created from an external program. The alembic has a fullpackedtransform intrinsic that contains my translate, rotate, scale and shear data. I want to shatter this alembic geometry, pack the shatter pieces and use the original alembic transform to animate the pieces which will then be input into a rigid body simulation. I'm having trouble extracting the relevant data from the 4x4 matrix on the alembic. I can get my points to translate, but I don't yet understand how to make them rotate. I hope my diagram makes sense.
SmokeyandtheBandit posted a topic in EffectsHi guys, I created a sim with proxy pieces and then tried to transform the high res pieces with the sim data, but for some reason it gets messed up. I set the pivot and transforms with setprimintrinsic. Please see below. It seems to have done different things for different groups I've split them into. After the initial fracture, I've split the pieces into small, medium and large pieces and fractured the large pieces again with added constraints which I intend break later in the sim. You can see the correct size of the figure in the middle, which seem to be the large pieces. Could someone please take a look at my file and tell me how I could fix this? Angel_goes_toheaven_cleaned.hipnc