Matrix4.setposition() not same as three.js's Matrix4.setposition()

[Peter]

According to https://threejs.org/docs/index.html#api/en/math/Matrix4.setPosition, the function Matrix4.setposition() should set elements with index 3, 7 and 11 to x, y, z respectively.

However, currently threepp is setting the indexes 12, 13 and 14.

threepp/src/threepp/math/Matrix4.cpp

Line 437 in 7e9ba7e

 Matrix4 &Matrix4::setPosition(float x, float y, float z) { 

Possibly an error?