johnmccutchan/vector_math — pull request #18 by andersforsell (2013-06-03 03:31:13+00:00)
Title: Added getInverse to set the matrix to the inverse of another matrix

Instead of
shadowCamera.matrixWorldInverse = shadowCamera.matrixWorld.clone();
shadowCamera.matrixWorldInverse.invert();
I would like to do
shadowCamera.matrixWorldInverse.getInverse(shadowCamera.matrixWorld);