message: removed unused comments
diff: @@ -174,38 +174,8 @@ namespace Canvas3D {
  }
  }
  - // let currentNear = -1, currentFar = -1, currentFogNear = -1, currentFogFar = -1
  function setClipping() {
  cameraSetClipping(camera.state, scene.boundingSphere, p);
  - // const cDist = Vec3.distance(camera.state.position, camera.state.target)
  - // const bRadius = Math.max(10, scene.boundingSphere.radius)
  -
  - // const nearFactor = (50 - p.clip[0]) / 50
  - // const farFactor = -(50 - p.clip[1]) / 50
  - // let near = cDist - (bRadius * nearFactor)
  - // let far = cDist + (bRadius * farFactor)
  -
  - // const fogNearFactor = (50 - p.fog[0]) / 50
  - // const fogFarFactor = -(50 - p.fog[1]) / 50
  - // let fogNear = cDist - (bRadius * fogNearFactor)
  - // let fogFar = cDist + (bRadius * fogFarFactor)
  -
  - // if (camera.state.mode === 'perspective') {
  - // // set at least to 5 to avoid slow sphere impostor rendering
  - // near = Math.max(5, p.cameraClipDistance, near)
  - // far = Math.max(5, far)
  - // fogNear = Math.max(5, fogNear)
  - // fogFar = Math.max(5, fogFar)
  - // } else if (camera.state.mode === 'orthographic') {
  - // if (p.cameraClipDistance > 0) {
  - // near = Math.max(p.cameraClipDistance, near)
  - // }
  - // }
  -
  - // if (near !== currentNear || far !== currentFar || fogNear !== currentFogNear || fogFar !== currentFogFar) {
  - // camera.setState({ near, far, fogNear, fogFar })
  - // currentNear = near, currentFar = far, currentFogNear = fogNear, currentFogFar = fogFar
  - // }
  }
  function render(variant: 'pick' | 'draw', force: boolean) {
  