The property of Three.js Quaternion is immutable and cannot be reassigned

I'm attempting to develop a class (using three.js) that utilizes an array containing vector names to compare with an array containing a set of 3D vectors in order to generate a mesh of a flat face. However, I am encountering an error.


Uncaught TypeError: Cannot assign to read only property 'quaternion' of object '# <Tface>'
    at Tface.createFace (Tface.js: 58)
    at eval (index.js: 54)
    at Module ../ src / index.js (bundle.js: 651)
    at __webpack_require__ (bundle.js: 674)
    at bundle.js: 738
    at bundle.js: 741

https://github.com/gisselecardozo/teste-classes/blob/master/src/classes/Tface.js

javascriptthree.js

Answer №1

The Tponto class extends the functionality of THREE.Object3D. The resulting quaternion attribute cannot be modified. Therefore, attempting to assign a new value to it within your criaFace() function is not allowed.

To correctly set the quaternion, you should use the following syntax:

this.quaternion.setFromUnitVectors(this.normal, this.baseNormal);

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