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markingleukc

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About markingleukc

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  • Name Mark
  • Location Bournemouth
  1. Hello everyone, I'm attempting to recreate the shapes of large bubbles forming. My initial tests have been involving FLIP fluids, adding surface tension and removing gravity to create a jiggling ball of particles. Once it is meshed, I could then apply a refractive shader to get transparency. See the attached .mp4 for a flipbook of one of my tests for creating a small, single bubble. However, I'm curious as to how other artists might approach this problem. How would you go about creating these large, wobbly shapes so that they act naturally? How would you allow for art direction if you went with a simulation approach? Please share your ideas, I'd be very interested to hear what you think! Thank you! There is a good example of the shape I'm trying to create at 2:55 in the video below, although the whole bubble sequence is quite useful. bubbles_rnd_0708_01.single_bubble.mp4
  2. I'll try to explain better, I think it's a tricky concept to visualise the first time around. If you imagine: for every frame of my sequence as my shot camera moves through the scene, Houdini makes a new camera which is frozen in the main camera's position in 3D space. That new camera projects its corresponding frozen frame onto the geometry, as a new layer on top of the camera projections came before it. What you would end up with (in theory) is a 3D scene with colour information applied onto the matched 3D geo. I'm sure there must be a solution using either the SOP solver or even using hscript, as you can easily iterate actions over each frame with these.
  3. Hi everyone, I'm trying to solve a tricky problem in Houdini, and I could use some help! I need to project my live action plate onto some 3D dummy geometry and essentially bake down every individual frame. Essentially what I'm trying to produce is a 3D representation of my scene using the live action images as a diff map, because each projection should either overwrite or paint in new areas of the scene. My geo matches the scene and the camera is tracked and solved from the plate and matches well. The shot doesn't include any moving objects so we don't have to worry about that. I have experimented with the sop solver, the bake texture rop, and material layers, but I haven't quite made a breakthrough just yet - as these are concepts that I don't have very much experience with. Any guidance or suggestions will be very welcome! Many thanks