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Unity3D Edge Detection - Object flickers when moving

Hi, I am creating a simple 2D Space Shooter game and I am stuck at the point where the Object should limit itself to moving beyond the left and right edges of the screen.

I implemented the @Waz solution in one of the answers in Unity Answers, and it works fine if the object is not rigid. However, if it is applied to a rigid object, the object begins to flicker. Below is the code I used from @Waz

    float speed = 0.1f;
    Vector3 viewPos = Camera.main.WorldToViewportPoint(transform.position);
    viewPos.x = Mathf.Clamp01(viewPos.x);
    viewPos.y = Mathf.Clamp01(viewPos.y);
    transform.position = Camera.main.ViewportToWorldPoint(viewPos);

Here is the link where @Waz mentioned his code snippet: http://answers.unity3d.com/questions/148790/detecting-the-edge-of-the-screen.html

Here is a link that says to use an alternative solution for a rigid body, but this code does not work for me: http://answers.unity3d.com/questions/62189/detect-edge-of-screen.html

I am not sure how to change the above code so that the object that I touch and does not move does not flicker. Any help would be great.

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2 answers

You translate from arbitrary float coordinates to the range [0,1] and vice versa. Probably the problem you are facing is due to floating point inaccuracies when your world position is far from 0.

There are several ways to solve this problem:

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Screen.width Screen.height ? , .

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