Hey all,
I've place this post on the Math site, but I'm hoping that I might get an answer from someone here sooner!
I'm trying to figure out how to calculate the resultant polar coordinates of a triangle following the triangle's 45 degree rotation about it's own center of mass. I've seen how to rotate the triangle about the center of the screen using:
In 2D, you make (X,Y) from (x,y) with a rotation by angle t so:
X = x cos t - y sin t
Y = x sin t + y cos t
...but this only rotates the triangle with regards to the background. I want to figure out a way to find the NEW polar coordinates of the triangle after a 45 degree rotation. Any and all suggestions/comments are welcome!
Joaquin
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