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Duncan's Corner

Showing posts in "MEL" category:

Curling Particle Trajectories
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Curling Particle Trajectories

Posted 10 October 2013 5:12 pm by Duncan Brinsmead on Duncan's Corner

Software: Autodesk Maya ,

Industry: Games , Film, TV and VFX ,

One can create spiraling motions for particles using expressions. This method propagates a local up vector for the curl so that the twist direction does not go through pole flipping as the particle changes direction.

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Revised Roman Candle scene with lighting
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Revised Roman Candle scene with lighting

Posted 12 November 2012 10:34 pm by Duncan Brinsmead on Duncan's Corner

Software: Autodesk Maya ,

Industry: Film, TV and VFX ,

I've modified the roman candle scene in my previous post to use lights positioned at particle locations for illumination, along with further refinements.

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Simplicity to Complexity
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Simplicity to Complexity

Posted 14 August 2011 12:00 pm by Duncan Brinsmead on Duncan's Corner

Software: Autodesk Maya ,

Industry:

I have put together a talk on emergent phenomena in Maya for Siggraph that one can currently view on the area. here are some of the scene files and scripts mentioned in that talk.

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Mandel-Maya Madness!
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Mandel-Maya Madness!

Posted 6 August 2011 12:00 pm by Duncan Brinsmead on Duncan's Corner

Software: Autodesk Maya ,

Industry: Games , Film, TV and VFX ,

Emergence is a fascinating phenomenon where complexity can emerge through iteration of simple rules or processes. One of the most dramatic illustrations of emergence is the Mandelbrot set where seemingly endless structure and detail arise when iterating on a very simple equation (zn+1 = zn2 + c). I had a little fun and implemented a Mandelbrot texture totally inside a MEL expression. **WARNING: LOTS of hires images ahead...

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Editing the Path Curve of Paint Effects On Poly
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Editing the Path Curve of Paint Effects On Poly

Posted 2 August 2007 7:02 am by the area on The Art of VFX

Software:

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If paint effects is assigned to a 3d curve then it will follow the curve normal( which is based on the local curvature and is poorly defined... unless "useNormal" is on, in which case the normal is simply a constant direction ). It needs a curve on surface to understand a surface orientation.

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Parent to Surface script
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Parent to Surface script

Posted 27 July 2007 4:24 am by the area on The Art of VFX

Software:

Industry:

Here is a script for sticking objects onto a deforming surface. This mel command allows one to attach selected objects to a selected mesh or nurbs surface. The objects will follow any deformation or transformation of the surface.

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Dynamic Follow MEL Script
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Dynamic Follow MEL Script

Posted 3 May 2007 5:27 am by Duncan Brinsmead on Duncan's Corner

Software:

Industry:

Here is a script that allows you to easily have one object follow the position of another, but with damping and a lag. I find it is very useful when you wish to have a camera follow an object automatically without following too closely or in too jerky a fashion. Note how in the example avi the camera follows the general motion of the sphere but not so closely as to bounce up and down with the sphere.

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