math - Understanding 3D space -

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I am confusing myself that I'm having trouble understanding the concept of plot on a 3D plane, If I see the I-Z axis, to make me an objectfranchant, I just make the Z value negative and put it behind, I make it positive .. but .. how do I keep my left or right? Sorry, I know that this is a stupid question, but no one confuses me less than

example

I (-3, - 2, 10, 3, 2, 10; 3, -2, 10; 3, 2, 10) How do I attract some of his right or left side?

Keep the Z-axis the same, and go to the X-X.

is subjective traffic to the left and right, because it depends how you see it, but I think that you are looking at the flat on the XI axis, and the z axis is indicating by you ".

In your case: (- 3 + A, -2,10; -3 + A, 2, 10; 3 + A, -2, 10; 3 + A, 2, 10 ) Where one

If you make a negative, then it will move to the left (on the X axis).

Because your starting point - 3, and your end point 3, your Wi-axis will be in the middle of your object. Therefore your starting point should be 3, and the last point 9 should be on the right side of the object. If you want to move to the left: - (the width of the object) - (width of the object) = (-3) - (6) = - 9 -> A = -9

rotate objects

Given this, its a simple and basic explanation. I find it to be very readable


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