moving quads

Blitz3D Forums/Blitz3D Programming/moving quads

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Hi all. im having a hard time with somthing.. maybe one of you can help me out.

I am making a grid(bunch o quads) wich share verts.. 4
verts per 2 tri.

After its created I want to select any quad I want and move its verts on the z and or x axis , the connecting triangles should stretch

any help yould be appreciated..