Tuesday, 12 September 2017

Working with multiple Bullet solvers in a scene

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When creating a Bullet body in a Maya scene in which there are multiple Bullet solvers, Maya simply picks the first solver it encounters and...
Thursday, 3 April 2014

Vector Matrix multiplication in Maya

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Multiply PyMel vectors by matrices will not give you the result you might expect. Try a simple operation like this: import pymel.core as p...
Thursday, 5 December 2013

MQuaternion inversion functions

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The wording in the documentation for Maya's quaternion inversion functions can lead you to use them erroneously. MQuaternion::invertIt()...
Friday, 17 August 2012

Performance comparison: MEL vs PyMel vs OpenMaya vs maya.cmds vs C++

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Over the years Maya has grown to have quite the myriad of programming APIs. MEL and the C++ API have been joined by Python maya.cmds, the Op...
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Wednesday, 2 May 2012

Maya normals locking and what it does to tangent space

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Apparently locking normals in Maya is no simple matter. There are several problems with using MEL, PyMel or methods accessed through the UI:...
Wednesday, 11 January 2012

Nested function variable scope in Javascript

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The way scope works for nested functions in Javascript can trip you up: #target photoshop function test() { this.a10 = function() { ...
Wednesday, 14 December 2011

Locking vertex normals using Maya API

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OpenMaya.MFnMesh.lockFaceVertexNormals is the function to use but it's got not very clear from the documentation what you need to pass t...