The expression "see what" (this comparison. Active camera. Location, location) "used in the 42 nd episode of AE course of AK God Average?

For example, lookAt (your location, beautiful location) means:

Calculate how many degrees you need to turn from your position to the position of a beautiful woman.

We usually say, "There are beautiful women at eleven o'clock!" Look [0] = eleven o'clock.

LookAt calculates the rotation of three axes. See (...) [[0] Tell you whether to turn left or right and how many degrees. Similarly, looking at (...) [1] means leaning up or down, and looking at (...) [3] means tilting your head.

So, look (this comp. Active camera. Position, position) [0] is how many degrees the horizontal direction should turn when looking at this layer from the camera.