paint or write?

[samit]

Hello to all, my problem is I have an animation of a robot which is a cross or painted but during its 3d animation and I do not know how to make an example: it is as if a pencil lead and we would write I hope you understand and you can answer me

[Expertz]

Make textures for the wall paint, which changes as time in coordination with the animation ... step by step as a gif ...?

[JAMES_911]

An animated texture is the best solution.