Get local position of a mesh

Questions
1

Hi,
i’m a newbie in three.js, phaser i know but it’s really different :wink:

I made a simple fps and when i shoot my enemy is destroy with particles effects.

The problem is that the particles spawn at the beginning position of my enemy who’s moving see the gif

Peek 14-12-2020 16-29
my snippet for spawn the particles is :

       enemys.forEach(box => {
             if ((this.object.position).distanceTo(box.mesh.position) < 100) {
                 //scene.remove(this.object);
                 if (box.mesh.alive) {
                     var vec = new THREE.Vector3().copy(box.mesh.position);
                     particlesHolder.spawnParticles(vec, 10, Colors.enemy, random(.5, 1));
                 }
                 box.mesh.alive = false
                 scene.remove(box.mesh);

             }
         });

 ParticlesHolder.prototype.spawnParticles = function (pos, density, color, scale) {

     var nPArticles = density;
     for (var i = 0; i < nPArticles; i++) {
         var particle;
         if (particlesPool.length) {
             particle = particlesPool.pop();
         } else {
             particle = new Particle();
         }
         this.mesh.add(particle.mesh);
         particle.mesh.visible = true;
         var _this = this;

         particle.mesh.position.y = pos.y;
         particle.mesh.position.x = pos.x;
         particle.mesh.position.z = pos.z;
         particle.explode(pos, color, scale);
     }
 }

How do you get the real position of the enemys ?

Thanks a lot.