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Anonymous Tue 15 Jun 10:54:39 2021 No.13280290 View Reply Original Report

Quoted By: >>13281350 >>13281471 >>13281512

anyone can answer what would be rotation in 3d space equals to screen space coordinate

converting 3d rotation of a point to 2d coordinates?

Anonymous

Anonymous Tue 15 Jun 2021 12:48:00 No.13280479 Report

Quoted By:

kys

Anonymous

Anonymous Tue 15 Jun 2021 18:18:47 No.13281345 Report

Quoted By:

would probably need more info buuut if i understand it right i would conceptualize the problem this way

the line formed form the screenspace coord and the eye can be extended into the view frustrum into the 3d space prior to the perspective projection

finding a rotation so that the given 3d point would be on that line would then be the way to go

Anonymous

Anonymous Tue 15 Jun 2021 18:21:56 No.13281350 Report

Quoted By:

>>13280290
Matrices

Anonymous

Anonymous Tue 15 Jun 2021 18:23:14 No.13281353 Report

Quoted By: >>13281500

>3d rotation of a point
points don't have orientation

Anonymous

Anonymous Tue 15 Jun 2021 19:01:44 No.13281471 Report

Quoted By:

>>13280290
Some kind of 3 × 2 matrix.

Anonymous

Anonymous Tue 15 Jun 2021 19:09:38 No.13281500 Report

Quoted By:

>>13281353
they sure do in 3d space. thats part of the question, translating 3d points and lines into 2d points and lines

Anonymous

Anonymous Tue 15 Jun 2021 19:12:33 No.13281512 Report

Quoted By:

>>13280290
It's easy actually, you just have to put "sage" in the option field when you reply to a thread

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