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Two drawing question #336

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victor-freedom opened this issue Jun 5, 2023 · 0 comments
Open

Two drawing question #336

victor-freedom opened this issue Jun 5, 2023 · 0 comments

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@victor-freedom
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1、How to convert a 3D coordinate system into a corresponding 2D coordinate system based on camera's eye and target parameters？
I want to draw an arrow pointing to a certain point，And rotate along with the rotation
2、How to draw text on the canvas?
image

I just want to achieve the effect shown in the above image
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