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Copy Rotation Constraint doesn’t work properly

Home › Forums › Graphics / Blender › Copy Rotation Constraint doesn’t work properly

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  • 2023-05-16 at 7:16 am #63782
    jpetz
    Participant

    Hello,

    I want to make my own annotations because we need to implement some external code to our project.

    So I created a plane object and put an image on it.
    Now I want the plane to always face the camera.
    In blender it works just fine (img 1), but if I export it I just can see the object from a weird angle (img 2). I used the standard properties (img 3) for this but also tried other settings.

    I also tried the damped track constraint and did it with puzzles in Verge3D. The plane does track the camera then but it rotates around itself in a weird way.

    Can anyone help me?

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    2023-05-16 at 7:41 am #63786
    kdv
    Participant

    I’ve just checked it out and it’s working as expected. Share your .blend to see what’s wrong.

    Puzzles and JS. Fast and expensive.

    If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of meaning at all.

    2023-05-16 at 8:12 am #63788
    jpetz
    Participant

    Thank you for your fast answer.
    Here is my .blend file.

    • This reply was modified 11 months, 2 weeks ago by jpetz.
    • This reply was modified 11 months, 2 weeks ago by jpetz.
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    2023-05-16 at 9:01 am #63794
    kdv
    Participant

    Remove the constraint, rotate the plane around X axis by 90°, apply rotation (Ctrl+A), add the constraint back.

    That’s because of different coordinate systems: Z-Up-Right in Blender and Y-Up-Right in Verge3D/THREE.js

    Puzzles and JS. Fast and expensive.

    If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of meaning at all.

    2023-05-16 at 9:14 am #63796
    jpetz
    Participant

    That worked!
    Thank you so much kdv :yahoo:

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