Function pickScene

src/scene/index.ts:414–440

(screenX: number, screenY: number)

 * Must be called after beginMode3D() so the camera matrices are set.
 */
export function pickScene(screenX: number, screenY: number): PickHit {
  const hit = bloom_scene_pick(screenX, screenY) !== 0;
  if (!hit) {
    return {
      hit: false,
      handle: 0,
      distance: 0,
      point: { x: 0, y: 0, z: 0 },
      normal: { x: 0, y: 0, z: 0 },
    };
  }
  return {
    hit: true,
    handle: bloom_pick_hit_handle(),
    distance: bloom_pick_hit_distance(),
    point: {
      x: bloom_pick_hit_x(),
      y: bloom_pick_hit_y(),
      z: bloom_pick_hit_z(),
    },
    normal: {
      x: bloom_pick_hit_normal_x(),
      y: bloom_pick_hit_normal_y(),
      z: bloom_pick_hit_normal_z(),
    },
  };
}

// ============================================================
// Geometry Generation