func initCamera(screen *window.Screen) func() { cam1 := camera.New(true) cam1.SetOrtho(screen.Width, screen.Height, 200) cam1.SetPosition2D(0, 0) camx := 0.0 camy := 0.0 speed := 300.0 return func() { if window.GetKeyState(window.KeyA) == window.KeyStatePressed { camx -= screen.AmountPerSecond(speed) } if window.GetKeyState(window.KeyD) == window.KeyStatePressed { camx += screen.AmountPerSecond(speed) } if window.GetKeyState(window.KeyW) == window.KeyStatePressed { camy -= screen.AmountPerSecond(speed) } if window.GetKeyState(window.KeyS) == window.KeyStatePressed { camy += screen.AmountPerSecond(speed) } cam1.SetPosition2D(float32(camx), float32(camy)) } }