Houdini+Nuke科幻模型生长特效教程 Gumroad – Sci-Fi Growth – Houdini & Nuke VFX Course

Houdini+Nuke科幻模型生长特效教程 Gumroad – Sci-Fi Growth – Houdini & Nuke VFX Course

Houdini的进阶教程，讲解在Houdini中模型多边形的制作、特效设计、生长动画、渲染输出和Nuke的合成

Creating the Geometry

• In this course we will be creating a mechanical sci-fi reveal from start to finish
• We will create all the geometry inside Houdini, using various procedural techniques and some non-procedural methods as well.
• We will also talk about the best methods to create UV’s and clean up the mesh so we can apply subdivisions at render time.

Designing FX

• The main driver of this growth effects will be generated with particles. We will various vex functions such as volumesample, quaternions, cross products and also talk about how to set up timers to have complete control over the particles.
• For the final reveal, we will use a very simple propagation set-up that doesn’t rely on overly-complicated solvers, which also offers a lot of freedom and control over the transition.

Rendering

• In the rendering section, we will be using Redshift to create all the passes. We will set up all the materials with the textures that you’ve been provided with, and then take a look at creating custom AOV’s and exporting different attributes and textures as separate passes.
• Also we will be creating a very simple volumetric pass to add a bit of life to the background.

Compositing

• In the nuke section we bring everything together. We start by recreating the beauty pass by splitting up all the AOV’s and putting them back together. After we add the custom passes as well, we set up the depth of field effect and add our volumetric effects.
• To help our volumetric pass we will be creating a 3D fog environment directly inside of Nuke with the help of it’s particle system.
• Finally we add a few extra effects to complete the final look.

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