How to make a character run all the time?

Question

C++ / C#

I want to make the character move in one direction

Answer 1

newPosition = currentPosition + speed*deltaTime*normalDirection
Here's some pseudocode for you. Because the engine is not specified - that's just the way it is.
Although on the unit (I smell it) - in principle, the code will hardly change. And the algorithm is 100%

Answer 2

transform.Translate(direction * Time.deltaTime)