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vertical dragging reversed in safari #3

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ribrdb opened this issue May 7, 2021 · 1 comment
Open

vertical dragging reversed in safari #3

ribrdb opened this issue May 7, 2021 · 1 comment

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@ribrdb
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ribrdb commented May 7, 2021

When I open the demo page in safari, dragging a point down moves it up, and dragging up moves it down.
@ribrdb
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ribrdb commented May 12, 2021

It seems like this is because the svg has style="transform:scale(1, -1)". If I change it to use an svg transform by adding <g transform="scale(1, -1)"> then the dragging direction is correct.

ribrdb added a commit to ribrdb/numbas-extension-eukleides that referenced this issue May 12, 2021
@ribrdb
Fix numbas#3.
03500ba 
We use css to flip the y axis to match cartesian coordinates.

Some browsers include this into the transform matrix, but we need to add it for others.
ribrdb added a commit to ribrdb/numbas-extension-eukleides that referenced this issue May 12, 2021
@ribrdb
Fix numbas#3.
3aff214 
We use css to flip the y axis to match cartesian coordinates.

Some browsers include this into the transform matrix, but we need to add it for others.
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