Unity Cheap Sheet

UnityCheapSheet.cs

// Vectors
Debug.Log(Vector3.forward);   // (0, 0, 1.0)
Debug.Log(Vector3.right);     // (1.0, 0, 0)
Debug.Log(Vector3.up);        // (0, 1.0, 0)

// Rotation toward a direction

// https://answers.unity.com/questions/803365/make-the-player-face-his-movement-direction.html
float moveHorizontal = Input.GetAxisRaw ("Horizontal");
float moveVertical = Input.GetAxisRaw ("Vertical");
Vector3 movement = new Vector3(moveHorizontal, 0.0f, moveVertical);
if(movement != Vector3.zero)
{
  transform.rotation = Quaternion.Slerp(transform.rotation,
                                        Quaternion.LookRotation(movement.normalized),
                                        0.2f);
}
transform.Translate(movement * movementSpeed * Time.deltaTime, Space.World);

// https://www.youtube.com/watch?v=ORD7gsuLivE
Vector3 camF;
Vector3 camR;
camF = cameraGO.transform.forward;
camR = cameraGO.transform.right;
camF = camF.normalized;
camR = camR.normalized;

float xMovement = joystick.Horizontal;
float zMovement = joystick.Vertical;
Vector3 movement = camR * xMovement + camF * zMovement;
movement.y = 0f;

if(movement != Vector3.zero)
{
  transform.rotation = Quaternion.Slerp(transform.rotation,
                                                Quaternion.LookRotation(movement.normalized),
                                                rotSmooth);
}

transform.Translate(movement * speedMove * Time.deltaTime, Space.World);