catchyid Posted September 9, 2020 Share Posted September 9, 2020 Hello, -smokeobject has 'source' mask scalar field --> I assume it should be set to 1 where density is being emitted, however it's always set to 1 and covers the whole sim box, is that normal? Plz see attached file -My goal is to define "age" scalar field and change the sim such that 'older' voxels gets more buoyancy (Okay, I admit, the idea is not clear yet, but my goal is to advect density for let's say 10 frames and after 10 frame change dissipation , apply force, etc...so, I need to have 'age' in terms of frame count, so when a smoke is just emitted the voxel will have age 10, then each frame it goes down by one until it reaches zero) Thanks smoke_mask_question.hip Quote Link to comment Share on other sites More sharing options...
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