Response to As: Main 2006-01-15 17:12:39
At 1/15/06 05:10 PM, Sekky wrote: That's still reversed, vectors don't have two sets of coordinates, they're taken from an origin point.
thats why he subtracted x1 from x2 and likewise for the y's. aligns vectors to the origin. the word reversed means a bit more than that. he means that kinematics is understanding rotation and position based on distance. inverse kinematics would be getting distance based on position and rotation.