control the character with the mouse

[Roy_Wierer.Seda145]

Using the XY value of the input axis event works fine for mouse. Other hardware in particular joysticks might drift by a small factor each frame but this can be filtered out by ignoring low values. This is irrelevant since the topic is for a mouse but if this is your wish:

@zmihnyuk

I can’t correctly convert the mouse position into global coordinates and relate it to the movement of the pawn.

then you could also consider using this instead for your cursor position, to deproject from 2D to 3D world space:

UGameplayStatics::DeprojectScreenToWorld