Three BufferGeometry


포인트 등 추가 안됨
max count 정해두고 해야

typed array 이 정적이라서



> [Float32Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float32Array)


> [THREE.js dynamically add points to a Points geometry does not render](https://stackoverflow.com/questions/41177425/three-js-dynamically-add-points-to-a-points-geometry-does-not-render)







