Extract rotation values of X, Y, and Z from a Matrix4 in three.js

Is it possible to extract specific rotation values (X, Y, Z) in degrees (float) from the Matrix4 in three.js?

Due to the lack of direct implementation in many of its functions, I am unsure how to achieve this.

Answer №1

The solution to this question turned out to be surprisingly "simple" for those experienced in using three.js. I was informed by another user that the key was to utilize the three.js Euler class .setFromRotationMatrix() function and ensure the correct order is used (in my case, I initially assumed it was XYZ but it was actually YZX - important to be mindful of this detail!) - and that's all you need to do!

Answer №2

My understanding is that you are asking, "How can I change radians to degrees?"

  • To convert radians to degrees: degrees = radians * Math.PI / 180.0;
  • To convert degrees to radians: radians = degrees * 180.0 / Math.PI;

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