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Question by GreyTapps · May 15, 2017 at 05:26 AM · rotationobjectdirection

How to have an object moving to one direction and rotate it whitous affecting the direction

public class Ship_Movement : MonoBehaviour {

 public float ShipSpeed = 0;
 public float RotateSpeed = 280;
 Transform myT;
 Quaternion targetRotation;
 public float v3x;
 public float v3z;
 public float maxY = 150;

 private void Start()
 {
     targetRotation = myT.rotation;
 }
 private void Awake()
 {
     myT = transform;
     
 }
 
 // Update is called once per frame
 void Update ()
 {
     v3x = myT.position.x;
     v3z = myT.position.z;

     if (v3x < -330 | v3x > 330)
     {
         v3x = v3x * -1;
         Vector3 position = Vector3.one;
         position.x = v3x;
         position.z = v3z;

         myT.localPosition = position;
     }
     if (v3z < -150 | v3z > 150)
     {
         v3z = v3z * -1;
         Vector3 position = Vector3.one;
         position.z = v3z;
         position.x = v3x;

         myT.localPosition = position;
     }




         if (ShipSpeed > 0)
     {
         Speed();
         myT.position += (myT.forward * ShipSpeed * Time.deltaTime / 2);
         ShipSpeed -= 1;
     }
     else
     {
         ShipSpeed = 0;
         Speed();
     }  
 

     targetRotation *= Quaternion.AngleAxis(RotateSpeed * Input.GetAxis("Horizontal") * Time.deltaTime, Vector3.up);
     myT.rotation = targetRotation;
 }

 void Speed()
 {
     if (Input.GetAxis("Vertical") > 0 && ShipSpeed<=495)
     {
         ShipSpeed += 5;
     }
    
 }

}

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Answer by Piyush_Pandey · May 15, 2017 at 07:52 AM

In your code

 myT.position += (myT.forward * ShipSpeed * Time.deltaTime / 2);


this will get hampered if you change the orientation of your object. You must create and empty parent. Give this parent the change in positions. Make the space ship as child of it. Now rotate it in the way you want.

     Transform translate_transform , rotate_transform; 
     private void Awake()
     {
         translate_transform = transform;
         rotate_transform = translate_transform.FindChild("spaceship");//name of the child to rotate
 
     }
 
     // Update is called once per frame
     void Update ()
     {
         v3x = myT.position.x;
         v3z = myT.position.z;
         if (v3x < -330 | v3x > 330)
         {
             v3x = v3x * -1;
             Vector3 position = Vector3.one;
             position.x = v3x;
             position.z = v3z;
             myT.localPosition = position;
         }
         if (v3z < -150 | v3z > 150)
         {
             v3z = v3z * -1;
             Vector3 position = Vector3.one;
             position.z = v3z;
             position.x = v3x;
             myT.localPosition = position;
         }
         if (ShipSpeed > 0)
         {
             Speed();
             translate_transform.position += (translate_transform.forward * ShipSpeed * Time.deltaTime / 2);
             ShipSpeed -= 1;
         }
         else
         {
             ShipSpeed = 0;
             Speed();
         }  
 
         targetRotation *= Quaternion.AngleAxis(RotateSpeed * Input.GetAxis("Horizontal") * Time.deltaTime, Vector3.up);
         rotate_transform.rotation = targetRotation;
     }
     void Speed()
     {
         if (Input.GetAxis("Vertical") > 0 && ShipSpeed<=495)
         {
             ShipSpeed += 5;
         }
 
     }
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