/sci/ - Science & Math » Thread #13336614

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Anonymous Tue 29 Jun 01:11:13 2021 No.13336614 View Reply Original Report

Quoted By: >>13336627 >>13337900 >>13338421 >>13339079

im rotating an object around a point, and also keeps object pointing towards the center of rotation.

how is the "rotatetowards center of rotation" usually written in math

Anonymous

Anonymous Tue 29 Jun 2021 01:14:26 No.13336621 Report

Quoted By:

>I'm an "ideas guy", I want to make a video game but I have no programming skills whatsoever

Anonymous

Anonymous Tue 29 Jun 2021 01:16:53 No.13336627 Report

Quoted By: >>13336632

>>13336614
atan2()

Anonymous

Anonymous Tue 29 Jun 2021 01:18:40 No.13336632 Report

Quoted By: >>13336636

>>13336627
use atan() with what? your kneesock brain?

Anonymous

Anonymous Tue 29 Jun 2021 01:21:34 No.13336636 Report

Quoted By:

>>13336632
y and x duh

Anonymous

Anonymous Tue 29 Jun 2021 01:21:47 No.13336638 Report

Quoted By: >>13336659 >>13336669

angle of camera = -atan2(y,x) where (x,y)=r is the parameterized position of the object

Anonymous

Anonymous Tue 29 Jun 2021 01:34:45 No.13336659 Report

Quoted By:

>>13336638
ok good tx

Anonymous

Anonymous Tue 29 Jun 2021 01:38:12 No.13336669 Report

Quoted By: >>13336740

>>13336638
ok cool. can you prove this?

Anonymous

Anonymous Tue 29 Jun 2021 02:11:53 No.13336740 Report

Quoted By: >>13336762 >>13336780

>>13336669
literally just the definition of tangent. go back to the 8th grade.

Anonymous

Anonymous Tue 29 Jun 2021 02:27:22 No.13336762 Report

Quoted By:

>>13336740
>go back t
you do that since u cant prove your statement anyway

Anonymous

Anonymous Tue 29 Jun 2021 02:36:47 No.13336780 Report

Quoted By: >>13336892

>>13336740
>go back t
yeah u do that then come back again once you know how to

Anonymous

Anonymous Tue 29 Jun 2021 03:35:41 No.13336892 Report

Quoted By: >>13336952

>>13336780
okay, I do know how. now what?

Anonymous

Anonymous Tue 29 Jun 2021 04:10:36 No.13336952 Report

Quoted By: >>13336961

>>13336892
then do it here, genius

then ill call you senpai

Anonymous

Anonymous Tue 29 Jun 2021 04:14:36 No.13336961 Report

Quoted By: >>13336969

>>13336952
tangent(theta) == rise/run therefore theta = atan2(run,rise)
done :)

Anonymous

Anonymous Tue 29 Jun 2021 04:20:06 No.13336969 Report

Quoted By:

>>13336961
what the fuck, go back to school and learn to draw a diagram at least

SAGE

SAGE Tue 29 Jun 2021 12:11:07 No.13337900 Report

Quoted By:

>>13336614
It's 50/50%

Enoch

Enoch Tue 29 Jun 2021 14:46:37 No.13338421 Report

Quoted By:

>>13336614
a vector tangent to the the circle will never point to the center.

Anonymous

Anonymous Tue 29 Jun 2021 18:22:26 No.13339079 Report

Quoted By:

>>13336614
I don't understand the picture.

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