title: Instancing PointCloud(ParticleCloud) in THREE.js
body: <p>i am just a beginner in Threejs so please excuse if its a noobie question. but i haven't worked with particles.</p>
  
  <p>How do i put points(particles) inside a custom geometry of a text geometry?
  What i want to achieve is instance points inside a geometry or text then explode it to the world position. if someone direct me to the path, would be much helpful.</p>
  
  <p>i know there's an example <a href="https://threejs.org/examples/#webgl_points_dynamic" rel="nofollow noreferrer">https://threejs.org/examples/#webgl_points_dynamic</a> 
  but i cant understand whats happening in the render loop.</p>