An example that creates ColliderDesc from THREE.js mesh about rapier.js HOT 3 CLOSED

import('@dimforge/rapier3d').then(rapierModule => {


    setupScene()


    RAPIER = rapierModule;
    console.log("initRapier()");

    let gravity = { x: 0.0, y: -2.1, z: 0.0 };
    let world = new RAPIER.World(gravity);
    const eventQueue = new RAPIER.EventQueue(true);

    // Load the 3D model using Three.js's GLTFLoader
    const loader = new GLTFLoader();

    loader.load('models/floor1.glb', function (gltf) {

      scene.add(gltf.scene)

      const model = gltf.scene.children[0].geometry;

          // Ensure vertices and indices are correctly defined and formatted
          const vertices = new Float32Array(model.attributes.position.array);

          let indices;
          if (model.index) {
              indices = new Uint32Array(model.index.array);
          } else {
              // Handle unindexed geometry by generating indices
              indices = new Uint32Array([...Array(vertices.length / 3).keys()]);
          }


          console.log('Vertices:', vertices);
          console.log('Indices:', indices);

        try {
            const trimesh = new RAPIER.TriMesh(vertices, indices);
            console.log('TriMesh created successfully', trimesh);

            const isValid = validateMapping(trimesh.vertices, trimesh.indices);
            console.log("isValid",isValid)

            console.log('Vertices length:', vertices.length);
            console.log('Indices length:', indices.length);


            let groundColliderDesc = RAPIER.ColliderDesc.trimesh(trimesh)
            //     // .setTranslation(0, groundHeight, 0)
            //     // .setActiveEvents(RAPIER.ActiveEvents.COLLISION_EVENTS);

            let groundCollider = world.createCollider(groundColliderDesc);


            init()

            window.groundColliderHandle = groundCollider.handle;
            window.myRapierWorld = world;
            window.eventQueue = eventQueue;
            


        } catch (error) {
            console.error('Failed to create TriMesh:', error);
        }
    });
});