Disintegration & Growth Effect in Houdini

Using a simple technique to produce Disintegration and Growth effects in Houdini. I then add a variation at the end of the effect to generate a variation of the disintegration effect.

Computer Graphics, HoudinibubblepinsSeptember 27, 2019houdini, sidefx, disintegration, volume, vdb, vdbadvect, growth effect, foreach loop, sop solver, vdbcombine, visual effect, disintegration effect, special effectsComment

SDF (Signed Distance Field) used to Detect Overlapping Objects

SDF is short for signed distance field and describes the interior volume of an object. How thick an object is from the middle to the surface? How deep does the cylinder extend? From any point inside an object, using the SDF, it is possible to easily grab the distance to the surface of the object in order to know the depth.

Computer Graphics, HoudinibubblepinsSeptember 22, 2019houdini, sidefx, sdf, signed distance field, volume, distance, collision, collision detect, overlap, SDF Value Comments

PointVOP Basics in Houdini

Everything inside a VOP (visual operators) node is multi-threaded and makes use of the multiple cores in your computer. You are given a wide range of attributes that inherit the values from the connected parent node, which can then be used for further manipulation inside the Point VOP node.

Computer Graphics, HoudinibubblepinsAugust 27, 2019houdini, sidefx, pointVOP, parallel, multithreading, volumeComment

Volume, Core Concepts in Houdini

Core concepts for Volumes. How exactly is volumes made up of voxels? How can you picture it? If you’re new to volumes, this is a great refresher.

Computer Graphics, HoudinibubblepinsAugust 23, 2019houdini, sidefx, voxels, volume, volume primtive, polygon, points, data, volumeVOP, SDF, signed distance field, distance VDB, Fog VDB, band voxels, volume resolution, vdb Comments

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