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Rotation
pivot point.. turns a shape, no other alterations
center of rotation
the point you turn the object around
angle of rotation
90°,180°, 270°, 360°
counter clockwise
turn LEFT, default unless said otherwise
rotation of 90° clockwise
(y,-x)
rotation of 90° counterclockwise
(-y,x)
rotation of 180°
(-x,-y)
rotation 270° clockwise
(-y,x)
rotation of 270° counterclockwise
(y,-x)
Note 
Flashcard (112)