A heads-up display device for displaying graphic elements in view of a user while the user views an environment through a display screen. The heads-up display device includes at least one projector that projects a graphic element on a frontal focal plane in view of the user while the user views the environment through the display screen, and at least one projector that projects a graphic element on a ground-parallel focal plane in view of the user while the user views the environment through the display screen. The projector that projects the graphic element on the frontal focal plane is mounted on an actuator that linearly moves the projector so as to cause the frontal focal plane to move in a direction of a line-of-sight of the user. The projector that projects the ground-parallel focal plane is fixedly arranged such that the ground-parallel focal plane is static.