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# 3. Scaling

Scaling changes an object's size by multiplying its coordinates, while translation moves it to a new location. We scale an object so it fits the scene!

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• I don't understand what he exponent (s) at . could someone please explain it to me?
• When you scale something by two numbers (sx, sy), then you basically just multiply its x-coordinate by sx and its y-coordinate by sy. There isn't an exponent.
• "Don't talk to me or my son again"
• What's the math you use to create a "zoom out" effect. Basically it moves towards the middle of your FOV and gets smaller, but I don't know how to calculate how much to move it towards the middle?
• its also scaling because mathematical scaling also implies translation
• I like how u put toy story in it
(1 vote)
(1 vote)
• What would happen if S was negative? Would the image be flipped either horizontally or vertically depending on the x and y coordinates?
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