My understanding is that
var point = object.geometry.vertices[i];x, y, and z of the point within the object's geometry.
Is there a way to obtain the absolute position if the object has been translated, rotated, or scaled?
To obtain the global coordinates of a vertex, you can use the following method:
const vertex = new THREE.Vector3(); // initialize the vector
const attribute = obj.geometry.getAttribute( 'position' );
vertex.fromBufferAttribute( attribute, idx );
obj.localToWorld( vertex );
Using three.js version r151
Recent updates in Three.js (v50 and above) include a convenient feature integrated into the THREE.Object3D class. To obtain the global coordinates of a local instance of THREE.Vector3 named 'vector', simply utilize the 'localToWorld' method:
object.localToWorld( vector );
Similarly, there exists a 'worldToLocal' method for converting global coordinates to local coordinates, which involves a slightly more complex mathematical process. To translate a global 'vector' into the object's local coordinate system:
object.worldToLocal( vector );
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