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90 CW
(x,y) ➡ (y,-x)
90 CCW
(x,y) ➡ (-y,x) (- means opposite)

180 CW
(x,y) ➡ (-x,-y)

180 CCW
(x,y) ➡ (-x,-y) “-“ means opposite
270 CW
(x,y) ➡ (-y, x) SAME AS 90 DEGREES COUNTERCLOCKWISE
270 CCW
(x,y) ➡ (y, -x)
