vertex.vert

/*{
  "pixelRatio": 1,
  "vertexCount": 3000,
  "vertexMode": "POINTS",
}*/
precision mediump float;
attribute float vertexId;
uniform float vertexCount;
uniform float time;
uniform vec2 resolution;
uniform vec2 mouse;
varying vec4 v_color;

void main() {
  float t = time * .3;
  float i = vertexId + sin(vertexId) * 2.;

  vec3 pos = vec3(
    sin(t + vertexId + i * 2.) * sin(t * .21 + i),
    cos(t + vertexId - i) * cos(t * .19 + i),
    cos(t) * sin(t + vertexId)
  );

  gl_Position = vec4(pos.x, pos.y * resolution.x / resolution.y, pos.z * .1, 1);
  gl_PointSize = 3. / max(abs(pos.z), .1);

  v_color = vec4(
    fract(pos.x + i),
    fract(pos.y + i),
    fract(pos.z + i),
    1
  );
}