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CinderのGL/CameraPerspでwindowのresizeに対応する

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問題

こういうのがあって

image

なにも考えずにWindowをresizeするとこうなる.

そのまま視点 上から視点
image image

上から見るとわかりやすい.

対処

  • cinder::app::AppにWindow resize時のコールバックが用意されてる
  • cinder::CameraPerspにはCameraのAspectRatioを変更するメソッドがある

これらを利用する.

class AwesomeApp : public App {
public:
  // snip.
  void resize() override;

private:
  // snip.

  CameraPersp camera_;
};

// snip.

void AwesomeApp::resize() {
  camera_.setAspectRatio(getWindow()->getAspectRatio());
}
そのまま視点 上から視点
image image

問題なさそう.

izumin5210
ʕ ◔ϖ◔ʔ < I'm a Rubyist.
https://blog.izum.in
wantedly
「シゴトでココロオドル」ためのビジネスSNS「Wantedly」の開発・運営をしています。
https://wantedlyinc.com/ja/presentations
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