how to convert .dae to .scn files in SceneKit
Exporting the .dae is unnecessary; you can place the object directly into a .scn file: Create the new .scn file in the .scnassets folder, then drag the .dae file into the scene.
collada
Bind Poses, Joint Transforms in Collada
I know what file format you are referring to. The file format you use (.anim) has one more skeletal file with (.inv_bind_mats) extension and same name, you don’t need to calculate anything but just read .inv_bind_mats file.
How to get the width/height/length of a mesh in THREE.js [closed]
If you’re ok with a basic bounding box, you can use a THREE.Box3 let measure = new THREE.Vector3(); let box = colladaModel.getSize(measure); console.log( measure );