Why this issue about a point coordinates?

I would like to connect the points from the red path, to the y-axis in blue. I figured out that the problem with my triangles came from the first point (V0) : it is not located where it should be.

In the console, it says its location is at 0,0, but in the emulator, it is not.

Edit: ok i figured it out, a simple issue about where the variable was defined. Thanks anyway